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['Poudel, Arun', 'Sotani-Tehrani, Arash', 'Shao, Shuai', 'Shamsaei, Nima'] | 2021-12-06T22:07:14Z | 2021-12-06T22:07:14Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90691', 'http://dx.doi.org/10.26153/tsw/17610'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'tensile properties', 'powder characteristics', 'powder flowability', 'LB-PBF'] | Effect of Powder Characteristics on Tensile Properties of Additively Manufactured 17-4 PH Stainless Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/351d7255-8b30-4bd2-9593-2b06b4b48030/download | University of Texas at Austin | Laser beam powder bed fusion (LB-PBF) process uses metallic powders as feedstock, whose
particle characteristics such as cohesion, compressibility, size distribution, etc., can vary and affect
the mechanical performance of the fabricated parts. In this study, two powder batches of 17-4
precipitation hardening (PH) stai... | null | null | null | null | null | null |
['Vunnam, S.', 'Dobson, S.', 'Saboo, A.', 'Frankel, D.', 'Sudbrack, C.', 'Starr, T.L.'] | 2021-11-18T00:06:37Z | 2021-11-18T00:06:37Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90364', 'http://dx.doi.org/10.26153/tsw/17285'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['17-4 PH stainless steel', 'selective laser melting', 'electron backscatter diffraction', 'EBSD', 'phase composition', 'mechanical properties', 'H900 hardening'] | Effect of Powder Chemical Composition on Microstructures and Mechanical Properties of L-PBF Processed 17-4 PH Stainless Steel in the As-Built and Hardened-H900 Conditions | Conference paper | https://repositories.lib.utexas.edu//bitstreams/924e6103-acec-42c1-8535-1d2e74efafb6/download | University of Texas at Austin | Post-build heat treatments such as solutionizing and precipitation hardening are recommended
for selective laser melting (SLM) processed components to achieve a homogeneous
microstructure. In this study, the effect of powder elemental composition on microstructures and
mechanical properties of SLM processed 17-4 PH was... | null | null | null | null | null | null |
['Niino, Toshiki', 'Sato, Kazuki'] | 2021-09-28T19:21:48Z | 2021-09-28T19:21:48Z | 9/15/09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88159', 'http://dx.doi.org/10.26153/tsw/15100'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['powder compaction', 'plastic laser sintering fabrication'] | Effect of Powder Compaction in Plastic Laser Sintering Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f757c9f8-faf6-4eb3-a499-114f378bb0e2/download | University of Texas at Austin | Powder compaction is introduced into plastic laser sintering fabrication. Compaction was
carried out by using a roller of which rotation speed is independently controlled of its
traversing speed. This additional process improved packing density of powder bed by a
factor of 20% and reduced residual porosity of obtained ... | null | null | null | null | null | null |
['Carrion, Patricio E.', 'Soltani-Tehrani, Arash', 'Thompson, Scott M.', 'Shamsaei, Nima'] | 2021-11-11T15:05:48Z | 2021-11-11T15:05:48Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90212', 'http://dx.doi.org/10.26153/tsw/17133'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['laser-powder bed fusion', 'Ti-6Al-4V', 'fatigue life', 'powder degradation', 'powder recycling'] | Effect of Powder Degradation on the Fatigue Behavior of Additively Manufactured As-Built Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9110d0df-b1ab-489b-8777-77cda3e9a761/download | University of Texas at Austin | Additive manufacturing (AM) technology has enabled many industries to generate functional parts
with an increased level of complexity via a layer-by-layer melting. In laser-powder bed fusion (L-PBF), the most commonly used AM process for metals, powder is often recycled due to its high
cost. However, there is no compre... | null | null | null | null | null | null |
['Heigel, J.C.', 'Lane, B.M.'] | 2021-11-03T22:09:14Z | 2021-11-03T22:09:14Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89948 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['thermographic measurement', 'scan track', 'cooling rate', 'melt pool length', 'in-situ', 'powder bed fusion'] | The Effect of Powder on Cooling Rate and Melt Pool Length Measurements Using In-Situ Thermographic Techniques | Conference paper | https://repositories.lib.utexas.edu//bitstreams/95a52c07-1d32-44ad-9075-7fe3df4e99b8/download | University of Texas at Austin | High-speed thermal cameras enable in situ measurement of the temperatures in and
around melt pools generated during powder bed fusion processes. These measurements
can be used to validate models, to monitor the process, and to understand the
microstructure formed during the process. Unfortunately, pre-placed powder lay... | null | null | null | null | null | null |
['Chen, Xueyang', 'Yan, Lei', 'Li, Wei', 'Liou, Frank', 'Newkirk, Joe'] | 2021-10-27T21:43:34Z | 2021-10-27T21:43:34Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89624 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['direct laser metal deposition', 'powder mixture', 'particle size', 'Ti-6Al-4V'] | Effect of Powder Particle Size on the Fabrication of Ti-6Al-4V using Direct Laser Metal Deposition from Elemental Powder Mixture | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fdd8627d-fe9c-4586-bcc0-e17f7c5f92de/download | University of Texas at Austin | Direct Laser Metal Deposition (LMD) was used to fabricate thin-wall Ti-6Al-4V using the
powder mixture of Ti-6 wt.%Al-4 wt.%V. Scanning electron microscopy (SEM), optical
microscopy (OM) and energy dispersive spectroscopy (EDS) were employed to examine the
chemical composition and microstructure of the as-deposited sec... | null | null | null | null | null | null |
['Mahtabi, MohammadBagher', 'Yadollahi, Aref', 'Stokes, Ryan', 'Morgan-Barnes, Courtney', 'Young, Joseph', 'Doude, Haley', 'Bian, Linkan'] | 2023-01-26T14:12:44Z | 2023-01-26T14:12:44Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117302', 'http://dx.doi.org/10.26153/tsw/44183'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Additive manufacturing', 'Powder recycling', 'Virgin powder', 'Powder flowability', 'Powder size distribution'] | Effect of Powder Reuse on Microstructural and Fatigue Properties of Ti-6Al-4V Fabricated via Directed Energy Deposition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c4b964bd-b7b5-425e-a881-18d765c562be/download | null | In metal additive manufacturing (AM) processes, due to the high cost of metal powder, it
is common to reuse the collected powder from the build envelope for future builds. Powder reuse
may adversely affect the powder characteristics, including the flowability, size distribution,
chemical composition, resultant micro... | null | null | null | null | null | null |
['Mahtabi, MohammadBagher', 'Yadollahi, Aref', 'Stokes, Ryan', 'Morgan-Barnes, Courtney', 'Young, Joseph', 'Doude, Haley', 'Bian, Linkan'] | 2023-01-19T16:02:58Z | 2023-01-19T16:02:58Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117246', 'http://dx.doi.org/10.26153/tsw/44127'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Additive manufacturing', 'Powder recycling', 'Virgin powder', 'Powder flowability', 'Powder size distribution'] | Effect of Powder Reuse on Microstructural and Fatigue Properties of Ti-6Al-4V Fabricated via Directed Energy Deposition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c9aef631-883c-481e-9ae3-1e39ee42754a/download | null | In metal additive manufacturing (AM) processes, due to the high cost of metal powder, it
is common to reuse the collected powder from the build envelope for future builds. Powder reuse
may adversely affect the powder characteristics, including the flowability, size distribution,
chemical composition, resultant micro... | null | null | null | null | null | null |
['Nezhadfar, P.D.', 'Soltani-Tehrani, Arash', 'Shamsaei, Nima'] | 2021-11-17T23:54:01Z | 2021-11-17T23:54:01Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90360', 'http://dx.doi.org/10.26153/tsw/17281'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['laser beam powder bed fusion', 'LB-PBF', 'preheating', 'stainless steel', 'porosity', 'mechanical properties', 'microstructure'] | Effect of Preheating Build Platform on Microstructure and Mechanical Properties of Additively Manufactured 316L Stainless Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/627329fa-e9c1-411e-b85b-f8d67c447fd9/download | University of Texas at Austin | This study aims to understand the effect of build platform preheating on the microstructural
features and mechanical properties of 316L stainless steel (SS) fabricated via laser beam powder
bed fusion (LB-PBF) process. Two sets of specimens were fabricated on a non-preheated build
platform and the build platform prehea... | null | null | null | null | null | null |
['Myers, K.', 'Paterson, A.', 'Iizuka, T.', 'Klein, A.'] | 2021-11-16T15:59:44Z | 2021-11-16T15:59:44Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90324', 'http://dx.doi.org/10.26153/tsw/17245'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['print speed', 'surface roughness', 'density uniformity', 'binder jetting', 'binder jet 3D printing'] | The Effect of Print Speed on Surface Roughness and Density Uniformity of Parts Produced Using Binder Jet 3D Printing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4287838f-ef54-4cae-b8b5-f21c506c7864/download | University of Texas at Austin | One of the main benefits of binder jetting is the ability to print quickly compared to other
metal additive manufacturing methods. Demand for higher throughput continues to increase, but
the effects of faster print speeds on part outcomes are not yet clearly understood. MIM powders
are used to achieve optimal density a... | null | null | null | null | null | null |
['Moreno-Núñez, Benjamin A.', 'Trevino-Quintanilla, Cecilia D.', 'Esponiza-Garcia, Juan Carlos', 'Uribe-Lam, Esmeralda', 'Cuan-Urquizo, Enrique'] | 2024-03-27T03:55:34Z | 2024-03-27T03:55:34Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124478', 'https://doi.org/10.26153/tsw/51086'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'fused filament fabrication', 'statistical analysis', 'fractional fractorial design', 'internal geometry', 'thermoplastics'] | Effect of Printing Parameters on the Internal Geometry of Products Manufactured by Fused Filament Fabrication (FFF) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8e98090f-4507-4ea4-823a-cb4b47bf1710/download | University of Texas at Austin | The internal geometry of a 3D-printed product determines its mechanical properties. In Fused
Filament Fabrication (FFF) the filaments that build up the internal geometry suffer from variations
that have not been sufficiently studied. This research focused on identifying the parameters that
most affect the filaments and... | null | null | null | null | null | null |
['Bauer, D.M.', 'Dietrich, K.', 'Walter, M.', 'Forêt, P.', 'Palm, F.', 'Witt, G.'] | 2021-10-26T19:27:34Z | 2021-10-26T19:27:34Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89564 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['process gas', 'oxygen levels', 'powder quality', 'aluminum alloys', 'laser based powder bed melting', 'powder bed'] | Effect of Process Gas and Powder Quality on Aluminum Alloys Processed by Laser Based Powder Bed Melting Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/50f7c352-076c-407a-81e6-b01d6684f367/download | University of Texas at Austin | The production of parts and components by Additive Layer Manufacturing (ALM) offers potential cost benefits
for aeronautic applications. Laser Based Powder Bed Melting Process offers design flexibility while enabling
weight reduction due to topological optimization by substitute conventional design and manufacturing ro... | null | null | null | null | null | null |
['Pegues, Jonathan', 'Leung, Kelvin', 'Keshtgar, Azadeh', 'Airoldi, Luca', 'Apetre, Nicole', 'Iyyer, Nagaraja', 'Shamsaei, Nima'] | 2021-11-02T13:43:33Z | 2021-11-02T13:43:33Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89800 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['mechanical properties', 'microstructure', 'additive manufacturing', 'ICME', 'titanium alloys'] | Effect of Process Parameter Variation on Microstructure and Mechanical Properties of Additively Manufactured Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c30b2797-2968-4267-b82c-59fe027ab25b/download | University of Texas at Austin | As additively manufactured (AM) parts become viable options for various structural
applications, it is essential to fully understand how various process parameters affect their
subsequent mechanical behavior. In this study, a process simulation package is utilized to model
the heat transfer during the laser-based powde... | null | null | null | null | null | null |
['Dilip, J.J.S.', 'Stucker, Brent', 'Starr, Thomas L.'] | 2021-10-13T20:24:33Z | 2021-10-13T20:24:33Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88777', 'http://dx.doi.org/10.26153/tsw/15711'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['HY100 steel', 'selective laser mleting', 'process parameters', 'tempering treatment', 'temper heat treatment'] | Effect of Process Parameters and Heat Treatment on the Microstructure and Mechanical Properties of SLM-built HY100 Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6b8c89cb-bac2-4dab-90bd-ee214ff9e7d2/download | University of Texas at Austin | HY100 is a high strength low alloy steel used for naval and pressure vessel applications. In general, the
alloy is used in the quenched and tempered condition. In the present work, fully dense metallic samples
were produced from HY100 pre-alloyed powders using selective laser melting (SLM). Test
samples were built with... | null | null | null | null | null | null |
['Izadi, Mojtaba', 'Farzaneh, Aidin', 'Gibson, Ian', 'Rolfe, Bernard'] | 2021-11-03T20:44:28Z | 2021-11-03T20:44:28Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89928 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['stainless steel 316', 'process parameters', 'macrostructure', 'mechanical properties', 'direct energy deposition'] | The Effect of Process Parameters and Mechanical Properties of Direct Energy Deposited Stainless Steel 316 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ee88a340-0fcc-4191-9c87-d5968f7e7408/download | University of Texas at Austin | Process parameters in Direct Energy Deposition (DED) Additive Manufacturing are
playing an important role in order to fabricate desired parts. In this research, we studied the
effect of 3 process parameters, namely laser power, scan speed and powder feed rate. Based on
variation of these parameters, we examined macrost... | null | null | null | null | null | null |
['Kanger, Cody', 'Hadidi, Haitham', 'Akula, Sneha', 'Sandman, Chandler', 'Quint, Jacob', 'Alsunni, Mahdi', 'Underwood, Ryan', 'Slafter, Cody', 'Sonderup, Jason', 'Spilnek, Mason', 'Casias, John', 'Rao, P.', 'Sealy, M.P.'] | 2021-11-02T18:00:29Z | 2021-11-02T18:00:29Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89840 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['fused filament fabrication', 'shot peening', 'ABS', 'strength', 'elongation'] | Effect of Process Parameters and Shot Peening on Mechanical Behavior of ABS Parts Manufactured by Fused Filament Fabrication (FFF) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4b3ca70e-79aa-4ff2-a083-1cb4828a15b3/download | University of Texas at Austin | The goal of this research was to understand how shot peening affected the tensile strength and
elongation of ABS polymer parts between three process parameters: layer height, infill angle, and
outer shell quantity. Experiments were conducted using a Hyrel 30M fused filament fabrication
(FFF) printer to produce ASTM 638... | null | null | null | null | null | null |
['Madireddy, G.', 'Montazeri, M.', 'Curtis, E.', 'Berger, J.', 'Underwood, N.', 'Khayari, Y.', 'Marth, B.', 'Smith, B.', 'Christy, S.', 'Krueger, K.', 'Sealy, M.P.', 'Rao, P.'] | 2021-11-04T15:04:00Z | 2021-11-04T15:04:00Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/89980', 'http://dx.doi.org/10.26153/tsw/16901'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['stereolithography', 'shot peening', 'polymer', 'strength', 'deflection'] | Effect of Process Parameters and Shot Peening on the Tensile Strength and Deflection of Polymer Parts Made Using Mask Image Projection Stereolithography (MIP-SLA) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/24ca5417-24e1-4339-82dd-02c0189e9d99/download | University of Texas at Austin | Mask Image Projection Stereolithography (MIP-SLA) is an additive manufacturing technique
in which a liquid photopolymer resin is hardened from exposure to ultraviolet (UV) light. Shot
peening is a surface treatment to improve the mechanical properties of components. The goal of
this work was to quantify the effect of S... | null | null | null | null | null | null |
['Liao, Hailong', 'Zhu, Haihong', 'Zhu, Junjie', 'Chang, Shijie', 'Zeng, Xiaoyun'] | 2021-11-18T02:14:40Z | 2021-11-18T02:14:40Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90410', 'http://dx.doi.org/10.26153/tsw/17331'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['process parameters', 'relative density', 'loss rate', 'loss mechanism', 'Al2O3', 'Al2O3-Al cermet', 'selective laser melting'] | Effect of Process Parameters on Selective Laser Melting Al2O3-Al Cermet Material | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6e753ae1-8e5f-4dcd-ae17-a37101488a2e/download | University of Texas at Austin | The cermet composite material is one of the researches focuses in the field of materials, for it can combine
the toughness of metal and the hardness of ceramics. In this work, Al2O3-Al cermet composite with a mass
ratio of 1:1 was fabricated by selective laser melting process. The effect of process parameters on the re... | null | null | null | null | null | null |
['Xue, Fangkai', 'Robin, Guillaume', 'Boudaoud, Hakim', 'Cruz Sanchez, Fabio A.', 'Daya, El Mostafa'] | 2021-12-01T23:25:15Z | 2021-12-01T23:25:15Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90654', 'http://dx.doi.org/10.26153/tsw/17573'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['vibration properties', 'fused filament fabrication', 'FFF', 'modal analysis', 'poylactic acid', 'PLA', 'design of experiments', 'DoE'] | Effect of Process Parameters on the Vibration Properties of PLA Structure Fabricated by Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/920520b7-c8ac-4f0e-b084-cd7ec4227e98/download | University of Texas at Austin | Advances in Fused Filament Fabrication (FFF) enable the design and manufacturing of
multi-material and multi-functional structure that can potentially be used to develop light weight
and high damping structures for vibration control. However, very few studies mention the
vibration characteristics of FFF printed structu... | null | null | null | null | null | null |
['Nie, Xiaojia', 'Zhang, Hu', 'Zhu, Haihong', 'Hu, Zhiheng', 'Zeng, Xiaoyan'] | 2021-11-10T22:57:15Z | 2021-11-10T22:57:15Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90201', 'http://dx.doi.org/10.26153/tsw/17122'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['processing parameter', 'zirconium modified', 'Al-Cu-Mg alloys', 'selective laser melting'] | The Effect of Processing Parameter on Zirconium Modified Al-Cu-Mg Alloys Fabricated by Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/290b3450-f0b9-4ae7-9e75-fc412635ea55/download | University of Texas at Austin | The newly designed alloy compositions for selective laser melting (SLM) have
aroused great interest. In this study, zirconium modified Al-Cu-Mg alloys were
fabricated by SLM. Results show that crack-free samples with relative density of nearly
100% were obtained by optimizing the processing parameters. With the increas... | null | null | null | null | null | null |
['Badrinarayan, B.', 'Barlow, J.W.'] | 2018-10-04T19:32:59Z | 2018-10-04T19:32:59Z | 1995 | Mechanical Engineering | doi:10.15781/T28W38M8W | http://hdl.handle.net/2152/68706 | eng | 1995 International Solid Freeform Fabrication Symposium | Open | ['SLS', 'laser processing', 'CAD'] | Effect of Processing Parameters In SLS Of Metal-Polymer Powders | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5df7e1c7-c167-4fb0-8fe6-cce5a913378d/download | null | This paper describes the effect of processing parameters in SLS of metal-polymer powder
mixtures. Test bars for measurement of strength and density were made from copper-PMMA
powder mixtures using SLS. The effect of Energy Density during laser processing, effect of
vector length, bed temperature, polymer melt index and... | null | null | null | null | null | null |
['Olakanmi, E. O.', 'Cochrane, R. F.', 'Dalgarno, K. W.'] | 2020-03-09T15:20:20Z | 2020-03-09T15:20:20Z | 2007 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80196', 'http://dx.doi.org/10.26153/tsw/7215'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | Densification | Effect of Processing Parameters on the Density and Microstructure of Direct Laser Sintered Al-12Si Powders | Conference paper | https://repositories.lib.utexas.edu//bitstreams/84136423-1739-4091-ad9f-aa12b5d0b48e/download | null | The effect of processing parameters on the sintering behaviour of gas atomised Al-12Si
powders has been investigated. Laser power, scanning rate, scan spacing and layer
thickness are found to control the densification and the resultant microstructural
characteristics of the laser sintered parts. It was found that sinte... | null | null | null | null | null | null |
['Ge, Wenjun', 'Lin, Feng', 'Guo, Chao'] | 2021-10-13T19:27:18Z | 2021-10-13T19:27:18Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88768', 'http://dx.doi.org/10.26153/tsw/15702'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['electron beam selective melting', 'Ti47Al2Cr2Nb', 'scan patterns', 'microstructure evolution', 'Ultimate Tensile Strength'] | The Effect of Scan Pattern on Microstructure Evolution and Mechanical Properties in Electron Beam Melting Ti47Al2Cr2Nb | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1ff1c6d4-8e64-4a6c-a9f3-b2be8ccd272c/download | University of Texas at Austin | Ti47Al2Cr2Nb alloy square samples with dimensions of 20mm x 20mm x 5mm were
fabricated by electron beam selective melting. In order to study the effect of electron
beam scan pattern on the microstructure evolution, three different scan patterns were
employed: S-shaped scan line, Z-shaped scan line and interlayer orthog... | null | null | null | null | null | null |
['Anam, Md Ashabul', 'Dilip, JJS', 'Pal, Deepankar', 'Stucker, Brent'] | 2021-10-12T22:37:31Z | 2021-10-12T22:37:31Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88758', 'http://dx.doi.org/10.26153/tsw/15692'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['selective laser sintering', 'Inconel 625', 'scan patterns', 'microstructure', 'Nb grains', 'Mo grains'] | Effect of Scan Pattern on the Microstructural Evolution of Inconel 625 during Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/64cccc2e-f959-41ee-9b2b-f96b2fca48c3/download | University of Texas at Austin | Selective laser melting (SLM) involves highly localized heat input and directional solidification,
which enables novel microstructure control through the development of scanning strategies and
related process variables. A careful study of scan pattern is important to understand
microstructural evolution during SLM. In ... | null | null | null | null | null | null |
['AlMangour, B.', 'Grzesiak, D.', 'Yang, J.M.'] | 2021-10-26T20:26:41Z | 2021-10-26T20:26:41Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89578 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'porosity', 'microstructure', 'hardness'] | Effect of Scanning Methods in the Selective Laser Melting of 316L/TiC Nanocomposites | Conference paper | https://repositories.lib.utexas.edu//bitstreams/68c69b88-6708-4bc7-917a-acc4b5b5af31/download | University of Texas at Austin | Selective laser melting (SLM) is a promising additive manufacturing process that allows
for the fabrication of complex functional components by the selective layer-by-layer melting of
particles on a powder bed using a high-energy laser beam. In this study, the SLM process was
used to fabricate components of TiC/ 316L s... | null | null | null | null | null | null |
['Niu, F.Y.', 'Wu, D.J.', 'Ma, G.Y.', 'Zhou, S.Y.', 'Zhang, B.'] | 2021-10-13T19:59:18Z | 2021-10-13T19:59:18Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88773', 'http://dx.doi.org/10.26153/tsw/15707'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['second-phase doping', 'Al2O3 ceramics', 'laser deposition', 'additive manufacturing', 'laser engineering net shaping'] | Effect of Second-Phase Doping on Laser Deposited Al2O3 Ceramics | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7dd4673e-f758-40f0-8cf0-664f8269ce39/download | University of Texas at Austin | Direct fabrication of engineering ceramic components by additive manufacturing (AM) is a
relatively new method for producing complex mechanical structures. This study investigates how
a second-phase doping may affect Al2O3 ceramic parts deposited by AM with a laser engineered
net shaping (LENS) system. In this study, Z... | null | null | null | null | null | null |
['Majewski, C.E.', 'Hopkinson, N.'] | 2021-09-30T15:46:40Z | 2021-09-30T15:46:40Z | 2010 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88268', 'http://dx.doi.org/10.26153/tsw/15209'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['section thickness', 'Laser Sintered parts', 'mechanical properties', 'tensile properties', 'Fracture Toughness', 'Additive Manufacturing'] | Effect of Section Thickness and Build Orientation on Tensile Properties and Material Characteristics of Laser Sintered Nylon-12 Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a0fb70fb-0cb2-4499-9ca1-11a049b0a595/download | University of Texas at Austin | It has been suggested that different section thicknesses in Laser Sintered parts may cause
variations in mechanical properties, and this has previously been demonstrated for some
properties (e.g. fracture toughness). The research presented here investigates whether the same
is true of tensile properties, and whether th... | null | null | null | null | null | null |
['Fulcher, Ben', 'Leigh, David K.'] | 2021-10-06T20:33:27Z | 2021-10-06T20:33:27Z | 2012 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88436', 'http://dx.doi.org/10.26153/tsw/15373'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['laser sintering', 'Melt Flow Index', 'Differential Scanning Calorimetry', 'polymer parts'] | Effect of Segregated First and Second Melt Point on Laser Sintered Part Quality and Processing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2feea4d1-ee71-479b-a362-90a221c8ed28/download | University of Texas at Austin | Efforts to tailor laser sintering polymers to enhance part quality, performance, and
processing have relied on the characterization of the polymers using Melt Flow Index (MFI) and
Differential Scanning Calorimetry (DSC). Two grades of laser sintering nylon polyamide are
compared and the resultant processing window, par... | null | null | null | null | null | null |
['Hoskins, Dylan', 'Ajinjeru, Christine', 'Kunc, Vlastimil', 'Lindahl, John', 'Nieto, Daniel Moreno', 'Duty, Chad'] | 2021-11-10T21:54:06Z | 2021-11-10T21:54:06Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90189', 'http://dx.doi.org/10.26153/tsw/17110'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['shear strain', 'extrusion viscosity', 'fiber reinforced polymers', 'acrylonitrile butadiene styrene', 'ABS', '3D printing', 'big area additive manufacturing', 'BAAM'] | The Effect of Shear-Induced Fiber Alignment on Viscosity for 3D Printing of Reinforced Polymers | Conference paper | https://repositories.lib.utexas.edu//bitstreams/db9eaddd-b3c6-4727-854a-a16f42e36d17/download | University of Texas at Austin | Material printed with large scale additive manufacturing systems such as the Big Area
Additive Manufacturing (BAAM) system experience a wide range of shear rates during the
extrusion process. The shear rate can vary over five orders of magnitude as the material passes
through the single screw extruder and is deposited ... | null | null | null | null | null | null |
['Montgomery, Colt', 'Farnin, Christopher', 'Mellos, Greg', 'Brand, Michael', 'Pacheco, Robin', 'Carpenter, John'] | 2021-11-09T18:35:34Z | 2021-11-09T18:35:34Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90112', 'http://dx.doi.org/10.26153/tsw/17033'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['surface finish', 'shield gas', 'metal powder', 'laser powder bed fusion', 'L-PBF'] | Effect of Shield Gas on Surface Finish of Laser Powder Bed Produced Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2cd3bd39-eb04-465b-b4fe-76fb315bb712/download | University of Texas at Austin | Additive manufacturing (AM) of metals is a novel manufacturing technique that allows
for net-shape or near net-shape parts to be produced quickly. Within additive manufacturing a
large concern is the produced surface finish, especially for upward and downward facing
surfaces on complex geometries. Surface finish is of ... | null | null | null | null | null | null |
['Engeli, R.', 'Etter, T.', 'Geiger, F.', 'Stankowski, A.', 'Wegener, K.'] | 2021-10-20T22:46:53Z | 2021-10-20T22:46:53Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89381 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'IN738LC', 'gas turbine', 'silicon', 'hot cracking'] | Effect of Si on the SLM Processability of IN738LC | Conference paper | https://repositories.lib.utexas.edu//bitstreams/263116e2-82ca-4a40-bf5e-ab7a4cd34169/download | University of Texas at Austin | Selective laser melting of high gamma-prime strengthened superalloys such as IN738LC is of interest in
stationary gas turbine applications. Differences have been obtained for the hot cracking susceptibility of
different powder batches during SLM processing and indications were found that also minor elements influence
t... | null | null | null | null | null | null |
['Norazman, Farhana', 'Hopkinson, Neil'] | 2021-10-07T18:53:19Z | 2021-10-07T18:53:19Z | 2013 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88504', 'http://dx.doi.org/10.26153/tsw/15438'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['high speed sintering', 'thermoplastic elastomer', 'tensile properties', 'sintering power', 'flow agent'] | Effect of Sintering Parameters and Flow Agent on the Mechanical Properties of High Speed Sintered Elastomer | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6fe3450d-f2ac-4883-a284-da8a39fea5b4/download | University of Texas at Austin | High Speed Sintering (HSS) is an Additive Manufacturing process that creates parts by
sintering using inkjet and infra-red lamp technology rather than laser systems employed in
Laser Sintering (LS). This research investigated the effects of machine parameters (sintering
power, bed temperature) and the addition of fumed... | null | null | null | null | null | null |
['Meng, S.', 'Mason, L.', 'Taylor, G.', 'Wang, X.', 'Leu, M.C.', 'Chandrashekhara, K.'] | 2021-11-01T22:17:18Z | 2021-11-01T22:17:18Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89778 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['sparse-build tool', 'pressure', 'topology optimization', 'Ultem 9085', 'fused deposition modeling'] | Effect of Sparse-Build Internal Structure on Performance of Fused Deposition Modeling Tools Under Pressure | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0a27c4ea-f7ab-44be-bd09-22f087bc6859/download | University of Texas at Austin | Two different approaches to design a sparse-build tool for fabrication by the fused
deposition modeling (FDM) process are compared. One approach uses a 2D lattice structure and
the other approach is inspired by topology optimization. Ultem 9085 is used as the material, and
the amount of material used to build the tool ... | null | null | null | null | null | null |
['Pegues, Jonathan', 'Roach, Michael', 'Williamson, R. Scott', 'Shamsaei, Nima'] | 2021-11-02T14:00:22Z | 2021-11-02T14:00:22Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89805 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['fatigue', 'additive manufacturing', 'surface effects', 'microstructure', 'titanium alloys'] | Effect of Specimen Surface Area Size on Fatigue Strength of Additively Manufactured Ti-6Al-4V Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/80824146-cb62-46dd-abb1-771da55a277a/download | University of Texas at Austin | As additive manufacturing becomes an increasingly popular method for advanced
manufacturing of components, there are many questions that need to be answered before these
parts can be implemented for structural purposes. One of the most common concerns with
additively manufactured parts is the reliability when subjected... | null | null | null | null | null | null |
['Lu, Bing', 'Li, Mingyang', 'Lao, Wenxin', 'Weng, Yiwei', 'Qian, Shunzhi', 'Tan, Ming Jen', 'Leong, Kah Fai'] | 2021-11-15T21:21:27Z | 2021-11-15T21:21:27Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90277', 'http://dx.doi.org/10.26153/tsw/17198'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', '3D cementitious material printing', 'spray', 'material distribution', 'modelling'] | Effect of Spray-Based Printing Parameters on Cementitious Material Distribution | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ccd75d24-8487-4f30-8664-7641b59b8150/download | University of Texas at Austin | In the past decade, 3D printing is getting into more and more industry areas including
building and construction. However, most 3D cementitious material printing processes are
limited in horizontal printing surface. Due to the nature of building and construction industry,
3D spray cementitious material printing process... | null | null | null | null | null | null |
['El Fazani, H.H.', 'Coil, J.D.A.', 'Shah, R.R.', 'Laliberte, J.F.'] | 2021-12-01T23:43:47Z | 2021-12-01T23:43:47Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90661', 'http://dx.doi.org/10.26153/tsw/17580'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'fused deposition modelling', 'fatigue crack', 'fatigue coupons', 'stress intensity factor'] | The Effect of Stress Intensity Factor on Fatigue Life of AM Parts Made from Polymer | Conference paper | https://repositories.lib.utexas.edu//bitstreams/abffc11b-3bfc-4698-8de3-a95dbde79848/download | University of Texas at Austin | The fatigue characteristics of additively manufactured specimens was investigated. A
commercial acrylonitrile-butadiene-styrene (ABS) polymer (P430) was selected to manufacture
AM fatigue coupons due to its low cost and wide applications. A total of 30 fatigue coupons were
built on flat and on edge using a Stratasys SS... | null | null | null | null | null | null |
['Sparks, Todd', 'Ruan, Jianzhong', 'Fan, Zhiqiang', 'Bao, Yaxin', 'Liou, Frank'] | 2020-02-28T16:18:03Z | 2020-02-28T16:18:03Z | 2006 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80114', 'http://dx.doi.org/10.26153/tsw/7135'] | eng | 2006 International Solid Freeform Fabrication Symposium | Open | Laser Aided Manufacturing Process | Effect of Structured Laser Pulses on Grain Growth in H13 Tool Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/92afa2e7-eb4b-41f0-a84e-cf3b7b27afcd/download | null | null | null | null | null | null | null | null |
['Joseph, Shine', 'Quiñones, Stella', 'Medina, Frank', 'Wicker, Ryan'] | 2020-03-10T14:13:08Z | 2020-03-10T14:13:08Z | 2007 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80206', 'http://dx.doi.org/10.26153/tsw/7225'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | Stereolithography | Effect of Surface Preparation Methods on Mechanical Properties of 3D Structures Fabricated by Stereolithography and 3D Printing for Electroless Ni Plating | Conference paper | https://repositories.lib.utexas.edu//bitstreams/03b7ad0c-81ab-40e3-bd50-6e67467ba9e8/download | null | Stereolithography (SL) and 3D Printing (3DP) are useful technologies for
three-dimensional prototyping applications, providing highly accurate and detailed part
geometries with high quality surface finishes. It is desired to improve the materials
performance of the existing photocurable SL and 3DP resins for rapid tool... | null | null | null | null | null | null |
['Ordnung, D.', 'Metelkova, J.', 'Van Hooreweder, B.'] | 2024-03-25T23:41:42Z | 2024-03-25T23:41:42Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124341', 'https://doi.org/10.26153/tsw/50949'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'surface quality', 'surface state', 'additive manufacturing'] | Effect of surface state and material on surface quality enhancement by Dual Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bf58b450-1138-47cc-a267-36d95f2544d1/download | University of Texas at Austin | Parts produced by Laser Powder Bed Fusion typically exhibit a limited surface quality often requiring
systematic post-processing. The KU Leuven AM team recently developed a Dual Laser Powder Bed Fusion
strategy to improve the quality of inclined up-facing surfaces during building. It consists of two steps: (1) a pulsed... | null | null | null | null | null | null |
['Taminger, Karen M. B.', 'Hafley, Robert A.', 'Fahringer, David T.', 'Martin, Richard E.'] | 2020-02-14T15:47:59Z | 2020-02-14T15:47:59Z | 8/4/04 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/79987', 'http://dx.doi.org/10.26153/tsw/7012'] | eng | 2004 International Solid Freeform Fabrication Symposium | Open | Electron beam freeform fabrication | Effect of Surface Treatments on Electron Beam Freeform Fabricated Aluminum Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d22ce4d8-9f49-4e44-bafa-d15e6ccef846/download | null | Electron beam freeform fabrication (EBF3) parts exhibit a ridged surface finish typical of
many layer-additive processes. Thus, post-processing is required to produce a net shape with a
smooth surface finish. High speed milling, wire electrical discharge machining (EDM), electron
beam glazing, and glass bead blasting w... | null | null | null | null | null | null |
['Sayah, Neshat', 'Smith, Douglas E.'] | 2024-03-25T22:36:42Z | 2024-03-25T22:36:42Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124325', 'https://doi.org/10.26153/tsw/50933'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['SCF/ABS', 'carbon', 'LAAM', 'additive manufacturing'] | Effect of the Print Bed Temperature on Void Distribution within the Microstructure of Short Carbon Fiber Reinforced/ABS Manufactured via Large Area Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e62fa1b4-7046-4e6a-817d-f13dec00cd53/download | University of Texas at Austin | Short carbon fiber-reinforced polymer composite structures produced using Large Area Additive
Manufacturing (LAAM) have garnered significant attention due to the design flexibility, energy
savings, and materials selection associated with this process. However, the physical and
mechanical properties of the additively ma... | null | null | null | null | null | null |
['Nabil, S. T.', 'Arrieta, E.', 'Wicker, R. B.', 'Benedict, M.', 'Medina, F.'] | 2023-03-29T16:33:59Z | 2023-03-29T16:33:59Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117683', 'http://dx.doi.org/10.26153/tsw/44562'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Laser Powder Bed Fusion(L-PBF)', 'Fatigue Life', 'Thermal Aging', 'AlSi10Mg', 'Hot-Isostatic Pressing'] | Effect of Thermal Aging in the Fatigue Life of Hot Isostatic Pressed AlSi10Mg Fabricated by Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2567daf0-96b1-467e-b429-7a62b62a7373/download | null | AlSi10Mg is a widely used material in the aerospace industry. Extended exposure to elevated
temperatures can have a detrimental effect on it. In this work, multiple AlSi10Mg horizontal bars
and vertical rods were fabricated using an L-PBF system. Following ASTM F3318-18, the material
blanks were HIPed (Hot Isostatic... | null | null | null | null | null | null |
['Khan, Md Faysal', 'Baig, Shaharyar', 'Ghiaasiaan, Seyed R', 'Gradl, Paul R', 'Shao, Shuai', 'Shamsaei, Nima'] | 2023-01-23T13:51:23Z | 2023-01-23T13:51:23Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117277', 'http://dx.doi.org/10.26153/tsw/44158'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Laser powder bed fusion (L-PBF)', 'AlSi10Mg', 'Scalmalloy', 'Hot isostatic pressing (HIP)', 'Microstructure', 'Tensile properties'] | Effect of thermal post-processing on microstructure and tensile behavior of additively manufactured aluminum alloys (AlSi10Mg and Scalmalloy) via L-PBF: A comparative study | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b7c33099-07be-4516-9248-851913d1c73e/download | null | Additively manufactured aluminum (Al) alloys have recently received growing interest
from different industrial sectors. This study compares the microstructure and tensile properties of
two laser powder bed fused Al alloys, namely AlSi10Mg and Scalmalloy, in different heat-treated
(HT) conditions i.e., stress-relief,... | null | null | null | null | null | null |
['Jandric, Z.', 'Ouyang, J.H.', 'Kovacevic, R.'] | 2019-10-24T17:32:16Z | 2019-10-24T17:32:16Z | 2002 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/77402', 'http://dx.doi.org/10.26153/tsw/4491'] | eng | 2002 International Solid Freeform Fabrication Symposium | Open | Welding | Effect of Volume of Heat Sink on Process and Physical Properties of Parts Built by Welding Based SFF | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f09f9223-3946-44a3-bbbd-50d6a596631b/download | null | A new numerical simulation of the effect of the volume of the heat sink on the welding–based
deposition process is performed. For this purpose, the ANSYS parametric design language
(APDL) is applied. Due to the complex internal and/or external shapes of the designed threedimensional (3D) part, different heat transfer c... | null | null | null | null | null | null |
['Uí Mhurchadha, S.M.', 'Marques, S.', 'Givet, L.', 'Raghavendra, R.'] | 2021-11-30T22:20:59Z | 2021-11-30T22:20:59Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90569', 'http://dx.doi.org/10.26153/tsw/17488'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['high-cycle fatigue', 'metamaterials', 'laser powder bed fusion', 'fatigue life'] | Effect of Voronoi Lattice Geometry on the Fatigue Performance of Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c467350b-a01a-4e7c-8032-e319e166627b/download | University of Texas at Austin | This paper investigates the effect of strut thickness and number of pores on the fatigue performance of
Ti-6Al-4V voronoi lattice structures designed with the same part volume. The aim of this study is to establish
the variation in high cycle fatigue parameters for constant volume lattice structures designed with vario... | null | null | null | null | null | null |
['Spratt, Myranda', 'Anandan, Sudharshan', 'Hussein, Rafid M.', 'Newkirk, Joseph W.', 'Chandrashekhara, K.', 'Misak, Heath', 'Walker, Michael'] | 2021-11-09T20:04:21Z | 2021-11-09T20:04:21Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90150', 'http://dx.doi.org/10.26153/tsw/17071'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['wall thickness', 'build quality', 'strength', '304L', 'thin-walled structures', 'lattice structures', 'selective laser melting', 'finite element analysis'] | Effect of Wall Thickness and Build Quality on the Compressive Properties of 304L Thin-Walled Structures Fabricated by SLM | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d878e105-33fe-4dab-9c0a-db87bbab7af0/download | University of Texas at Austin | The specific strength of lightweight lattice structures built with SLM is of interest to the
aerospace industry. Honeycombs were manufactured with increasing wall thicknesses (which
increases density) and tested under compression. The optimal strength to density ratio was
determined from the resulting data. The build q... | null | null | null | null | null | null |
['Davis, Joy E.', 'Klingbeil, Nathan W.', 'Bontha, Srikanth'] | 2021-09-28T20:07:48Z | 2021-09-28T20:07:48Z | 2009-09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88170', 'http://dx.doi.org/10.26153/tsw/15111'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['laser beam-based fabrication', 'electron beam-based fabrication', 'additive manufacturing', 'repair applications', 'melt pool geometry', 'thin-wall structures', 'free-edges'] | Effect on Free-Edges on Melt Pool Geometry and Solidification Microstructure in Beam-Based Fabrication of Thin-Wall Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e52529a4-08b2-4e65-a08b-2d1d7f548959/download | University of Texas at Austin | The success of both laser and electron beam-based fabrication processes for additive manufacturing and repair applications requires the ability to control melt pool geometry while still maintaining a consistent and desirable microstructure. To this end, previous work by the authors has
employed point-heat source soluti... | null | null | null | null | null | null |
['Kolan, Krishna C.R.', 'Leu, Ming C.', 'Hilmas, Gregory E.', 'Velez, Mariano'] | 2021-10-05T14:14:56Z | 2021-10-05T14:14:56Z | 8/17/11 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88375', 'http://dx.doi.org/10.26153/tsw/15314'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['selective laser sintering', '13-93 bioactive glass', 'particle size', 'binder content', 'heat treatment'] | Effect on Particle Size, Binder Content and Heat Treatment on Mechanical Properties of 13-93 Bioactive Glass Scaffolds | Conference paper | https://repositories.lib.utexas.edu//bitstreams/768fa75e-bfd0-4b0b-a25c-719c5b585e97/download | University of Texas at Austin | Particle size, binder content and the post-processing schedule are important parameters
that affect the microstructure, and, hence, the mechanical properties of parts produced using the
indirect selective laser sintering process. 13-93 bioactive glass, with mean particle sizes ranging
from 10 µm to 44 µm, is mixed with... | null | null | null | null | null | null |
['Song, Yong-Ak', 'Park, Sehyung', 'Kwon, Yongsin'] | 2019-10-09T16:04:49Z | 2019-10-09T16:04:49Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76147', 'http://dx.doi.org/10.26153/tsw/3236'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Casting | Effective Cooling Method for Spin Casting Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9db5f08e-2acd-412f-932a-4e7ed5ca4bee/download | null | Spin casting has been widely used in prototyping industry as a secondary process to convert
a master model into a functional metal or plastic part. The main problem of the spin casting
process consists in the poor thermal conductivity of silicone rubber as mold material which
leads to a long cooling time between each c... | null | null | null | null | null | null |
['Fashanu, O.', 'Murphy, D.', 'Spratt, M.', 'Newkirk, J.', 'Chandrashekhara, K.'] | 2021-11-30T21:31:06Z | 2021-11-30T21:31:06Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90555', 'http://dx.doi.org/10.26153/tsw/17474'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['unit-cell', 'elasticity', 'lattice structures', 'octet-truss', 'selective laser melting'] | Effective Elastic Properties of Additively Manufactured Metallic Lattice Structures: Unit-Cell Modeling | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6fc16870-d5fd-4c7c-82af-ddf940660996/download | University of Texas at Austin | Lattice structures are lightweight materials, which exhibit a unique combination of properties such
as air and water permeability, energy and acoustic absorption, low thermal conductivity, and
electrical insulation. In this work, unit-cell homogenization was used to predict the effective elastic
moduli of octet-truss (... | This work was funded
by the Department of Energy’s Kansas City National Security Campus which is operated and
managed by Honeywell Federal Manufacturing & Technologies, LLC under contract number DENA0002839. | null | null | null | null | null |
['Loose, Kai', 'Niino, Toshiki', 'Nakagawa, Takeo'] | 2019-02-19T19:55:43Z | 2019-02-19T19:55:43Z | 1998 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73440', 'http://dx.doi.org/10.26153/tsw/592'] | eng | 1998 International Solid Freeform Fabrication Symposium | Open | ['LED', 'MPC'] | Effective Mechanisms of Multiple LED Photographic Curing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/dabce9a1-7148-41f0-bc50-abaea20ff70b/download | null | Multiple LED Photographic Curing (MPC) has proven capable of drawing cross sections of
three-dimensional objects like printing a sheet of paper. Using raster scanning, however, simultaneously exposing a photopolymer with 1,024 beams of light involves various unknown issues. The
aim of this research work was to examine ... | null | null | null | null | null | null |
['Cook, D.', 'Newbauer, S.', 'Pettis, D.', 'Knier, B.', 'Kumpaty, S.'] | 2021-10-05T15:03:33Z | 2021-10-05T15:03:33Z | 2011 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88388', 'http://dx.doi.org/10.26153/tsw/15327'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['multi-functional components', 'unit-lattice structures', 'thermal conductivities', 'orthosis', 'additive manufacturing', 'orthosis device'] | Effective Thermal Conductivities of Unit-Lattice Structures for Multi-Functional Components | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f31e6774-364f-4b5a-9eba-79c0d0d4ab14/download | University of Texas at Austin | Approaching the goal of automatically generating optimized multi-functional
components, previously-identified unit-lattice structures are being characterized for their
geometry-dependent, effective, thermal conductivities. This knowledge base will allow for the
definition of low-mass, load-bearing, thermal-management s... | null | null | null | null | null | null |
['Hasbrouck, C.R.', 'Bartolai, Joseph', 'Pagan, Darren C.', 'Miller, Simon W.'] | 2024-03-25T23:43:51Z | 2024-03-25T23:43:51Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124342', 'https://doi.org/10.26153/tsw/50950'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', '17-4PH stainless steel', 'thermal history', 'heat treatment'] | EFFECTIVENESS OF EX-SITU HEAT TREATMENT OF L-PBF AM 17-4PH STAINLESS STEEL SPECIMENS INTENTIONALLY EXPOSED TO DIFFERENT AS-BUILT THERMAL HISTORIES | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2729e662-9e7b-4f12-8c78-977b9f1820e5/download | University of Texas at Austin | The presented research demonstrates the effectiveness of H900 heat treatment in
eliminating microstructural and mechanical property differences between additively manufactured
17-4PH stainless steel samples of varying thermal histories. For this effort, 17-4PH stainless steel
was manufactured using laser-based powder b... | null | null | null | null | null | null |
['Register, Matthew', 'Priddy, Matthew W.'] | 2023-01-27T17:50:40Z | 2023-01-27T17:50:40Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117347', 'http://dx.doi.org/10.26153/tsw/44228'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | WAAM | Effects Due to Variations in Thermal Properties of Maraging Steel for Finite Element Modeling of the WAAM Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ab92b0b7-5d7e-451b-82d3-97453ed78cbd/download | null | Finite element (FE) thermal simulations of the wire arc additive manufacturing (WAAM) process have
been widely used to predict the temperature history of as-built parts. Temperature-dependent thermal properties
like density, conductivity, specific heat, and latent heat are required to accurately simulate the solidus ... | null | null | null | null | null | null |
['Ottemer, Xavier', 'Colton, Jonathan S.'] | 2019-10-18T14:50:20Z | 2019-10-18T14:50:20Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76228', 'http://dx.doi.org/10.26153/tsw/3317'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Epoxy-Based | Effects of Aging on Epoxy-Based Rapid Tooling Materials | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1bc1ef36-df6d-4b98-a7c4-731adbeab18c/download | null | This study shows the effects of aging on epoxy-based rapid tooling materials. Two
epoxy-acrylate resins used for stereolithography and one aluminum powder-filled epoxy used
for the high speed machining of plastic injection molds were selected to investigate their aging
behavior in different environments. Four different... | This work has been made possible thanks to the National Science Foundation (DMI9618039) and the Rapid Prototyping and Manufacturing Institute. | null | null | null | null | null |
['Kriewall, Caitlin S.', 'Sutton, Austin T.', 'Karnati, Sreekar', 'Newkirk, Joseph W.', 'Leu, Ming C.'] | 2021-11-02T15:00:30Z | 2021-11-02T15:00:30Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89820 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['304L', 'stainless steel', 'area fraction', 'part spacing', 'selective laser melting'] | Effects of Area Fraction and Part Spacing on Degradation of 304L Stainless Steel Powder in Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ce13f34d-5178-4886-9e90-96e15cdcd67b/download | University of Texas at Austin | In selective laser melting (SLM) systems, a large portion of powder remains
unconsolidated and therefore recycling powder could make SLM more economical. Currently, a
lack of literature exists specifically targeted at studying the reusability of powder. Furthermore,
the definition of powder reusability is complex since... | null | null | null | null | null | null |
['Andurkar, Mohanish', 'O-Donnell, Valentina', 'Gahl, John', 'Prorok, Bart', 'Keya, Tahmina', 'Harvill, Greyson', 'Thompson, Scott'] | 2021-12-06T22:51:29Z | 2021-12-06T22:51:29Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90705', 'http://dx.doi.org/10.26153/tsw/17624'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'nickel superalloy', 'nuclear radiation damage', 'Vickers microhardness', 'additive manufacturing'] | Effects of Build Orientation and Heat Treatment on Neutron Irradiation Hardening in Inconel 625 Fabricated via Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0f227329-f912-4c09-99ef-1c8a20e14be2/download | University of Texas at Austin | Various Inconel 625 coupons fabricated via Laser Powder Bed Fusion (L-PBF) were
neutron irradiated using the inside reflector of the reactor at the University of Missouri Research
Reactor (MURR). Effects of build orientation and heat treatment on neutron-induced hardening
were investigated by inspecting L-PBF samples b... | null | null | null | null | null | null |
['Andurkar, Mohanish', 'Prorok, Bart', 'Gahl, John', 'Thompson, Scott'] | 2024-03-25T23:46:29Z | 2024-03-25T23:46:29Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124343', 'https://doi.org/10.26153/tsw/50951'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'x-ray CT', 'porosity measurements', 'pore morphology'] | Effects of Build Orientation and Heat Treatment on the Porosity Distribution and Morphology within Inconel 625 Fabricated via Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/82089975-1ff6-4146-8fb2-e8c6cd5df93e/download | University of Texas at Austin | The effects of build orientation, i.e., vertical, or diagonal (45º), and heat treatment on the
porosity characteristics within Inconel 625 (IN625) fabricated via laser powder bed fusion (LPBF) was experimentally investigated. Selected samples were heat treated at 1050 ℃ for 1-hour
to promote evolution of pores. X-Ray C... | null | null | null | null | null | null |
['Motaparti, Krishna P.', 'Taylor, Gregory', 'Leu, Ming C.', 'Chandrashekhara, K.', 'Castle, James', 'Matlack, Mike'] | 2021-10-28T14:22:01Z | 2021-10-28T14:22:01Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89647 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['compression properties', 'build parameters', 'ULTEM 9085', 'fused deposition modeling'] | Effects of Build Parameters on Compression Properties for ULTEM 9085 Parts by Fused Deposition Modeling | Conference paper | https://repositories.lib.utexas.edu//bitstreams/09236221-0f00-41b0-9ea1-49e6a37e3bbb/download | University of Texas at Austin | It has been observed by various researchers that parts fabricated by the Fused Deposition
Modeling (FDM) process have anisotropic properties. The research presented in the present
paper was aimed to study the compression properties of FDM parts and to comprehend their
dependence on build parameters. In this study Ultem... | null | null | null | null | null | null |
['Munaganuru, Sai Sri Nidhi', 'Elenchezian, Muthu Ram Prabhu', 'Vadlamudi, Vamsee', 'Shaik, Rauhon Ahmed', 'Adluru, Hari Kishore', 'Raihan, Rassel', 'Reifsnider, Kenneth'] | 2021-11-11T16:02:21Z | 2021-11-11T16:02:21Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90227', 'http://dx.doi.org/10.26153/tsw/17148'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['build parameters', 'mechanical properties', 'di-electrical properties', 'additive manufacturing'] | Effects of Build Parameters on the Mechanical and Di-Electrical Properties of AM Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bc32c38c-580e-486c-b7fc-e1ecd1aa9282/download | University of Texas at Austin | Additive manufacturing (AM) revolutionized many industries, i.e., Automotive,
Biomedical, Aerospace and Defense. As opposed to traditional manufacturing methods, a part is
manufactured layer by layer from 3D CAD models in AM. Though the vision of AM is impressive,
there are many challenges that are hindering the widesp... | null | null | null | null | null | null |
['Fan, Foxian', 'Soares, Nicholas', 'Jalui, Sagar', 'Isaacson, Aaron', 'Savla, Aditya', 'Manogharan, Guha', 'Simpson, Tim'] | 2021-12-07T19:04:52Z | 2021-12-07T19:04:52Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90759', 'http://dx.doi.org/10.26153/tsw/17678'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['centrifugal disc finishing', 'AM surface finishing', 'AM gears', 'surface roughness', 'CT roughness measurements', 'powder bed fusion'] | Effects of Centrifugal Disc Finishing for Surface Improvements in Additively Manufactured Gears | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1bda4710-1aaf-4af4-9f61-f99b7a9f309b/download | University of Texas at Austin | Additive Manufacturing (AM) is well suited to rapidly produce complex and customized
geometries economically for low production runs. However, there is an inherent need for post-AM machining and surface finishing in most metal AM applications. Centrifugal Disc Finishing
(CDF) is a media-based mass finishing process tha... | null | null | null | null | null | null |
['Fuentes, F.', 'Gallardo Jr., A.', 'Martinez, J.', 'Bullman, J.', 'Foyos, J.', 'Mendelson, M.', 'Noorani, R.', 'Fritz, B.'] | 2019-10-22T18:17:24Z | 2019-10-22T18:17:24Z | 2002 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76333', 'http://dx.doi.org/10.26153/tsw/3422'] | eng | 2002 International Solid Freeform Fabrication Symposium | Open | Cryogenic | Effects of Cryogenic Aging on a Rapid Prototyped (RP) Polymer | Conference paper | https://repositories.lib.utexas.edu//bitstreams/802364f2-948a-47d9-af0c-1c9260db8a31/download | null | Little research has been done on the post-processing (aging) of rapid prototyped (RP)
polymers at temperatures below 123K (–238˚F). Test specimens of RP thermosetting resin
(DSM-Somos 8110) were fabricated and cryogenically aged from 10-25 hours. The tensile
strength and impact toughness were measured. This work will s... | The work was funded by an NSF Grant under Research Experiences for Undergraduates
(REU). | null | null | null | null | null |
['Jackson, J.', 'Chapple, G.', 'Do, J.', 'Zhuang, X.', 'Bulman, J.', 'Foyos, J.', 'Mendelson, M.', 'Noorani, R.', 'Fritz, B.'] | 2019-11-21T18:42:37Z | 2019-11-21T18:42:37Z | 2003 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78565', 'http://dx.doi.org/10.26153/tsw/5621'] | eng | 2003 International Solid Freeform Fabrication Symposium | Open | Prototyping Materials | Effects of Cryogenic Processing on Rapid Prototyping Materials (DSMSomos-8110 and DuraForm PA) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/186d87c6-d505-4cd3-b358-b85d589f47d4/download | null | This research investigates the effects of cryogenic processing on the properties of rapid
prototyped materials. Not much research has been done on the post-processing (aging) of rapid
prototyped (RP) polymers at temperatures below 159K (–173˚F). Test specimens of RP
thermoplastic resin DSM-Somos 8110 and DuraformPA Nyl... | Part of this work was funded by a NSF Grant under Research Experiences for
Undergraduates. | null | null | null | null | null |
['Fan, K.M.', 'Cheung, W.L.'] | 2019-09-20T18:23:38Z | 2019-09-20T18:23:38Z | 2000 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/75926', 'http://dx.doi.org/10.26153/tsw/3025'] | eng | 2000 International Solid Freeform Fabrication Symposium | Open | Sintering | Effects of Cu and SiO2 on Laser Sintering of Polycarbonate 110 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/11f10eaa-20ff-47b3-b318-3b00c160c0a6/download | null | Additives of different thermal properties, Cu and SiO2 (amorphous and crystalline), were blended to polycarbonate (PC) powder to modify its heat transfer properties and fusion behavior during laser sintering. The blends were sintered under different energy densities of the laser beam to produce mono-layer films. The su... | null | null | null | null | null | null |
['Majewski, C. E.', 'Zarringhalam, H.', 'Hopkinson, N.'] | 2020-03-10T17:04:53Z | 2020-03-10T17:04:53Z | 9/10/08 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80230', 'http://dx.doi.org/10.26153/tsw/7249'] | eng | 2008 International Solid Freeform Fabrication Symposium | Open | Differential Scanning Calorimetry | Effects of Degree of Particle Melt and Crystallinity in SLS Nylon-12 Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/118e0bfa-74e8-4d49-b646-8c3d96ad9c02/download | null | Differential Scanning Calorimetry (DSC) traces for SLS Nylon-12 parts display two
distinct melt peaks, which have been related to the presence of both melted and crystallised
regions, and un-melted particle cores within the part. The relative proportions of each region are
defined by the term ‘Degree of Particle Melt’ ... | null | null | null | null | null | null |
['Shrestha, Rakish', 'Nezhadfar, P. Dastranjy', 'Masoomi, Mohammad', 'Simisiriwong, Jutima', 'Phan, Nam', 'Shamsaei, Nima'] | 2021-11-10T23:08:47Z | 2021-11-10T23:08:47Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90205', 'http://dx.doi.org/10.26153/tsw/17126'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['fatigue', 'thermal simulation', 'additive manufacturing', 'laser-based powder bed fusion', 'L-PBF'] | Effects of Design Parameters on Thermal History and Mechanical Behavior of Additively Manufactured 17-4 PH Stainless Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/02b026f1-7940-438e-b232-4acf7a9e39ea/download | University of Texas at Austin | In this study, the effects of part size on thermal history and mechanical properties of
additively manufactured 17-4 PH stainless steel were investigated under monotonic tensile and
strain-controlled fatigue loadings. Two sets of specimens were machined from square rods and
oversized specimens, which were fabricated us... | null | null | null | null | null | null |
['Lares, J.', 'Godinez, D.', 'Arrieta, E.', 'Medina, F.', 'Wicker, R.', 'Gradl, P.', 'Katsarelis, C.'] | 2024-03-25T23:02:19Z | 2024-03-25T23:02:19Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124333', 'https://doi.org/10.26153/tsw/50941'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['NASA HR-1', 'direct energy deposition', 'deposition parameters', 'microstructure'] | EFFECTS OF DIFFERENT PARAMETERS ON DED HR-1 ON LOW CYCLE FATIGUE, TENSILE STRENGTH, AND MICROSTRUCTURE | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fac45921-e0ff-445b-b11d-cdb3cddc4bc1/download | University of Texas at Austin | NASA HR1 alloy is an iron-nickel based material designed by NASA and derived from A286
and JBK-75 alloys. At extreme conditions, NASA HR1 possess high strength, high fatigue resistance,
and high resistance to corrosion and hydrogen embrittlement. The main applications include
structural components and liquid rocket eng... | null | null | null | null | null | null |
['George, Mitchell J.', 'Crawford, Richard H.'] | 2021-10-04T19:55:01Z | 2021-10-04T19:55:01Z | 2010 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88329', 'http://dx.doi.org/10.26153/tsw/15268'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Sintering', 'medical sterilization', 'nylon parts', 'dry heat sterilization', 'surgical tooling', 'bone matrices'] | The Effects of Dry Heat Sterilization on Parts Using Selective Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a94a355b-488b-4d66-b8b4-7371b76a4d1a/download | University of Texas at Austin | Selective Laser Sintering (SLS) is a manufacturing process that can build arbitrarily shaped parts
without part specific tooling. Its advantages have been employed in many different fields, one of
these being medical surgery. Currently, SLS is limited in medical applications as a pre-operative
modeling tool. For SLS ma... | null | null | null | null | null | null |
['Hagen, Deborah', 'Kovar, Desiderio', 'Beaman, Joseph J.'] | 2021-11-09T21:03:12Z | 2021-11-09T21:03:12Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90166', 'http://dx.doi.org/10.26153/tsw/17087'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['electric field', 'laser scanning', 'selective laser sintering', 'ceramic powder', 'yttria-stabilized zirconia'] | Effects of Electric Field on Selective Laser Sintering of Yttria-Stabilized Zirconia Ceramic Powder | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d567f84d-6052-4d11-b75e-4379fa8c1437/download | University of Texas at Austin | Selective laser sintering (SLS) of ceramic material is particularly challenging. High
sintering temperatures and slow sintering kinetics of ceramic material combined with poor
thermal shock resistance have resulted in cracking when ceramics are sintered to full density one
layer at a time. This work investigates the us... | null | null | null | null | null | null |
['Andurkar, M.', "O'Donnell, V.", 'Keya, T.', 'Prorok, B.C.', 'Gahl, J.', 'Thompson, S.M.'] | 2023-03-30T16:04:30Z | 2023-03-30T16:04:30Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117695', 'http://dx.doi.org/10.26153/tsw/44574'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Melting', 'Nickel Superalloy', 'Vickers Microhardness', 'Radiation Embrittlement'] | Effects of Fast Neutron Irradiation on the Microhardness of Inconel 625 and Inconel 718 Fabricated via Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/90692cb0-34b9-4e37-b78a-912445aeec28/download | null | The demand for advanced materials in constructing next generation nuclear reactors
has intensified the need to explore additive manufacturing (AM) processes as an alternate
means of fabricating components. In this study, Inconel 625 (IN625) and Inconel 718 (IN718)
samples fabricated using Laser Powder Bed Fusion (L-... | null | null | null | null | null | null |
['Burkert, T.', 'Fischer, A.'] | 2021-10-20T22:08:50Z | 2021-10-20T22:08:50Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89375 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Melting', 'Direct Metal Laser Sintering', 'Lasercusing', 'Maraging Steel', 'heat balance', 'mechanical properties', 'energy input', 'preheat temperature', 'void', 'defect'] | The Effects of Heat Balance on the Void Formation within Marage 300 Processed by Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/398d648b-d4fd-40ff-af87-7474059eb078/download | University of Texas at Austin | This contribution shows the results of a study that was conducted on the effects of varying
selective laser melting (SLM) process parameters on the formation of microstructural voids
within a maraging steel (type: Marage 300, 1.2709, AMS6514). Due to the large number of
process variables the most influential parameters... | null | null | null | null | null | null |
['Keya, T.', "O'Donnell, V.", 'Lieben, J.', 'Romans, A.', 'Harvill, G.', 'Andurkar, M.', 'Gahl, J.', 'Thompson, S.M.', 'Prorok, B.C.'] | 2021-12-06T22:54:26Z | 2021-12-06T22:54:26Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90706', 'http://dx.doi.org/10.26153/tsw/17625'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['heat treatment', 'neutron irradiation', 'Inconel 625', 'microstructure', 'microhardness', 'laser-powder bed fusion', 'L-PBF'] | Effects of Heat Treatment and Fast Neutron Irradiation on the Microstructure and Microhardness of Inconel 625 Fabricated via Laser-Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/01b3261f-159d-4c8f-81a8-529a024962d6/download | University of Texas at Austin | The microstructure of Inconel 625 fabricated via Laser-Powder Bed Fusion (L-PBF) was
investigated in as-printed and heat-treated conditions. The very high cooling rates inherent to the
L-PBF process generally result in fine microstructures and complex residual stress fields which
requires annealing to reduce stress and... | null | null | null | null | null | null |
['Cullom, Tristan', 'Hartwig, Troy', 'Brown, Ben', 'Johnson, Kevin', 'Blough, Jason', 'Barnard, Andrew', 'Landers, Robert', 'Bristow, Douglas', 'Kinzel, Edward'] | 2021-11-15T22:35:53Z | 2021-11-15T22:35:53Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90298', 'http://dx.doi.org/10.26153/tsw/17219'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['build plate', 'coupling', 'modal analysis', 'frequency response function', 'selective laser melting'] | Effects of Identical Parts on a Common Build Plate on the Modal Analysis of SLM Created Metal | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c198cf13-e563-4fc4-a5fc-55d2e35d9eb7/download | University of Texas at Austin | The frequency response of parts created with Additive Manufacturing (AM) is a function of not
only process parameters, powder quality, but also the geometry of the part. Modal analysis has the
potential to evaluate parts by measuring the frequency response which are a function of the
material response as well as the ge... | This work was funded by the Department of Energy’s Kansas City National
Security Campus which is operated and managed by Honeywell Federal Manufacturing
Technologies, LLC under contract number DE-NA0002839. | null | null | null | null | null |
['Nigam, Aman', 'Tai, Bruce L.'] | 2021-12-07T18:51:47Z | 2021-12-07T18:51:47Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90756', 'http://dx.doi.org/10.26153/tsw/17675'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['fiber-reinforced polymer', 'fused filament fabrication', 'FFF', 'hybrid process', 'polishing', '3D printing', 'surface roughness'] | Effects of In-Situ Mechanical and Chemical Polishing on Surface Topography of Additively Manufactured Fiber-Reinforced Polymers | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8fd121c8-285d-4dc2-97a5-1f3e113d2b02/download | University of Texas at Austin | Additive manufacturing of fiber-reinforced polymers (FRPs) has revolutionized fused filament
fabrication (FFF) by producing polymeric parts with enhanced mechanical properties. However,
FFF suffers from poor surface quality and dimensional accuracy, particularly for FRPs, due to their
abrasive and rheological nature. T... | null | null | null | null | null | null |
['Masoomi, Mohammad', 'Thompson, Scott M.', 'Shamsaei, Nima', 'Bian, Linkan'] | 2021-10-26T18:16:11Z | 2021-10-26T18:16:11Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89548 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['temperature gradients', 'directed energy deposition', 'Ti-6Al-4V', 'residual stress'] | Effects of Inter-Layer Time Interval on Temperature Gradients in Direct Laser Deposited Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f1500151-387e-4bb8-9f97-b504b43711c5/download | University of Texas at Austin | Parts fabricated via additive manufacturing (AM) methods are prone to experiencing high
temperature gradients during manufacture resulting in internal residual stress formation. In the
current study, a numerical model for predicting the temperature distribution and residual stress in
Directed Energy Deposited (DED) Ti–... | null | null | null | null | null | null |
['Fulcher, Ben', 'Leigh, David K.'] | 2021-10-07T15:50:20Z | 2021-10-07T15:50:20Z | 2013 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88487', 'http://dx.doi.org/10.26153/tsw/15421'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['laser power', 'laser sintering', 'laser window', 'laser distribution', 'degradation'] | Effects of Laser Window Degredation on Laser Power and Distribution in Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/29ccf6ba-4fb7-45f2-b375-8ae7c1f29098/download | University of Texas at Austin | Laser power is a key parameter in the laser sintering (LS) process, and tight control on
laser power is necessary to produce quality parts with desirable mechanical properties.
Unfortunately, temperature limitations hinder real-time monitoring and feedback of laser power
within the process chamber. Therefore, in order ... | null | null | null | null | null | null |
['Carrion, Patricio', 'Imandoust, Aidin', 'Simsiriwong, Jutima', 'Shamsaei, Nima'] | 2021-11-11T15:10:32Z | 2021-11-11T15:10:32Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90214', 'http://dx.doi.org/10.26153/tsw/17135'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'failure mechanisms', 'mutliaxial fatigue', 'titanium'] | Effects of Layer Orientation on the Multiaxial Fatigue Behavior of Additively Manufactured Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d1088aba-472f-4728-9e25-9c4568711ec3/download | University of Texas at Austin | Additive manufacturing (AM) allows for fabrication of components with complex
geometries that cannot be fabricated using conventional manufacturing techniques. These
components are often subjected to multiaxial stress states due to their typically complex design
accompanied by residual stresses and/or multiaxial extern... | null | null | null | null | null | null |
['Wang, Zhaogui', 'Fang, Zhenyu', 'Smith, Douglas E.'] | 2021-12-07T17:50:28Z | 2021-12-07T17:50:28Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90735', 'http://dx.doi.org/10.26153/tsw/17654'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['fiber orientation state', 'polymer deposition', 'material properties', 'mechanical properties', 'large area additive manufacturing'] | Effects of Local Fiber Orientation State on Thermal-Mechanical Behaviors of Composite Parts Made by Large Area Polymer Deposition Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/70d09119-a475-4a68-9c60-38fa3fafe94a/download | University of Texas at Austin | Short carbon fiber enhances the dimensional stability and material strength of composite
parts created via large area polymer deposition additive manufacturing, which has been used for
rapid fabrications of large-dimension composite parts and tooling. Nevertheless, the flow-induced
fiber orientation formed during the m... | null | null | null | null | null | null |
['Zhang, Ying', 'Jariwala, Amit', 'Rosen, David W.'] | 2021-10-19T20:24:23Z | 2021-10-19T20:24:23Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89332 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['Exposure Controlled Projection Lithography', 'process planning', 'post-processing', 'oxygen inhibition'] | Effects of Oxygen Inhibition and Post-Processing on Exposure Controlled Projection Lithography Process Accuracy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/331fbefe-39a6-4547-85ce-016b54be775c/download | University of Texas at Austin | Exposure Controlled Projection Lithography (ECPL) is a mask-projection
stereolithography process which can be used to create micro lenses on flat or curved substrates.
In the ECPL process, the ultraviolet light patterned by the dynamic mask passes through a
transparent substrate to cure the photopolymer resin to a cert... | null | null | null | null | null | null |
['Lim, J.H.', 'Khan, N.A.'] | 2021-11-30T20:20:48Z | 2021-11-30T20:20:48Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90534', 'http://dx.doi.org/10.26153/tsw/17453'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['particle size distribution', 'surface finish', 'Inconel 625', 'selective laser melting'] | Effects of Particle Size Distribution on Surface Finish of Selective Laser Melting Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/860839a0-b54e-4e96-896e-5eb722a183c8/download | University of Texas at Austin | Metal parts produced by Selective Laser Melting (SLM) usually exhibit poor surface
finish compared to conventional manufacturing processes. There is a growing need for parts to
have good surface quality in the as-built condition to minimise post-processing costs and reduce
lead time. There are many studies done on the ... | null | null | null | null | null | null |
['Obielodan, J.O.', 'Stucker, B.E.'] | 2021-09-29T14:11:46Z | 2021-09-29T14:11:46Z | 9/18/09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88177', 'http://dx.doi.org/10.26153/tsw/15118'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['ultrasonic consolidation', 'post processing heat treatment', 'titanium material', 'aluminum material', 'bond quality', 'mechanical strength', 'Ti/Al3003'] | Effects of Post Processing Heat Treatments on the Bond Quality and Mechanical Strength of Ti/Al3003 Dual Materials Fabricated using Ultrasonic Consolidation | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4cb691fc-01e1-415a-86ec-9a55a029eb89/download | University of Texas at Austin | The interface between layers in ultrasonically fabricated parts is often poor for desirable
material combinations, resulting in relatively low bond strength. This makes these fabrications
unsuitable for structural applications. This work discusses a study of the effects of post
processing heat treatment of ultrasonical... | null | null | null | null | null | null |
['Koju, Naresh', 'Hermes, Jonah', 'Paul, Sumit', 'Saghaian, Sayed Ehsan', 'Yang, Li'] | 2023-02-24T14:49:39Z | 2023-02-24T14:49:39Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117525', 'http://dx.doi.org/10.26153/tsw/44405'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Lightweight features', 'thin struts', 'powder feedstock', 'powder bed fusion', 'porosity', 'microstructure', 'strength'] | The effects of powder feedstock and process parameters on the material characteristics of Ti6Al4V thin strut features fabricated by laser powder bed fusion additive manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/aa616203-8e72-44dc-9047-f8fdf7d50404/download | null | In this work, three different types of Ti6Al4V powder feedstock of different particle size
ranges (fine, medium, and coarse) were utilized to fabricate thin strut lightweight features using
laser powder bed fusion additive manufacturing (L-PBF-AM) using different process parameter
settings. Thin strut features of va... | null | null | null | null | null | null |
['Nezhadfar, Pooriya Dastranjy', 'Soltani-Tehrani, Arash', 'Sterling, Amanda', 'Tsolas, Nicholas', 'Shamsaei, Nima'] | 2021-11-10T23:23:36Z | 2021-11-10T23:23:36Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90206', 'http://dx.doi.org/10.26153/tsw/17127'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['17-4 PH stainless steel', 'laser powder bed fusion', 'powder characterization', 'powder recycling', 'mechanical properties', 'tensile behavior'] | The Effects of Powder Recycling on the Mechanical Properties of Additively Manufactured 17-4 PH Stainless Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e6b45358-89d3-4a0e-9f2f-50684d29dc5a/download | University of Texas at Austin | The booming interest in Additive Manufacturing (AM), is seeing a rising number of
industries and research entities adopting this technology into their manufacturing practices. Of
particular interest is Laser Powder Bed Fusion (L-PBF) process, a common AM method for
fabricating metallic components. However, one obstacle... | null | null | null | null | null | null |
['Soltani-Tehrani, Arash', 'Yasin, Mohammad Salman', 'Shao, Shuai', 'Shamsasei, Nima'] | 2021-12-06T23:08:52Z | 2021-12-06T23:08:52Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90710', 'http://dx.doi.org/10.26153/tsw/17629'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'L-PBF', 'powder recycling', 'Ti-6Al-4V', 'particle size distribution', 'PSD', 'location dependency', 'packing state', 'powder flowability'] | Effects of Powder Reuse and Spatial Location Dependency on the Powder Characteristics and Defect Structure of Additively Manufactured Ti-6Al-4V Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/13d67006-9662-4b26-8c0e-1d754de6d26b/download | University of Texas at Austin | In laser powder bed fusion additive manufacturing (L-PBF AM), different powder characteristics
including particle size and morphology may yield different packing states and thus different defect
content in the resulting parts. As the powder is spread by the recoater, the packing state may not
be uniform on the powder b... | null | null | null | null | null | null |
['Gu, Hengfeng', 'Gong, Haijun', 'Dilip, J.J.S.', 'Pal, Deepankar'] | 2021-10-13T19:20:54Z | 2021-10-13T19:20:54Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88766', 'http://dx.doi.org/10.26153/tsw/15700'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['powder variation', 'metallic powder', 'Selective Laser Melting', 'Ti6Al4V', 'microstructure', 'tensile strength'] | Effects of Powder Variation on the Microstructure and Tensile Strength of Ti6Al4V Parts Fabricated by Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/57ba353e-7ea4-4158-afda-6989d2c1cd41/download | University of Texas at Austin | Metallic powders are used as raw materials in the Selective Laser Melting (SLM) process. These
metal powders are typically available from more than one powder vendor. Even when powders
have the same nominal chemical compositions, powders produced by different companies
typically result in different powder particle size... | null | null | null | null | null | null |
['Akhtar, SP', 'Wright, CS', 'Youseffi, M'] | 2020-02-12T15:36:33Z | 2020-02-12T15:36:33Z | 2004 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/79940', 'http://dx.doi.org/10.26153/tsw/6966'] | eng | 2004 International Solid Freeform Fabrication Symposium | Open | Selective Laser Sintering | The Effects of Pre-Alloyed Steels Powder Compositions on Build Quality in Direct Metal Laser Re-Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b999c053-9596-47dd-95ca-dfde5182358c/download | null | null | null | null | null | null | null | null |
['Mahtabi, MohammadBagher', 'Yadollahi, Aref', 'Stokes, Ryan', 'Young, Joseph', 'Doude, Haley', 'Priddy, Matthew W.', 'Bian, Linkan'] | 2023-01-19T16:07:00Z | 2023-01-19T16:07:00Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117247', 'http://dx.doi.org/10.26153/tsw/44128'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Build interruption', 'Additive manufacturing (AM)', 'Failure location', 'Al-Si-10Mg', 'Ti- 6Al-4V'] | Effects of Process Interruption During Laser Powder Bed Fusion on Microstructural and Mechanical Properties of Fabricated Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c112176d-e2f3-4e1b-84ac-67a3a449f5d7/download | null | Despite appropriate planning, various incidents can stop the additive manufacturing (AM)
process of metals and cause build interruption, such as power outage, lack of powder feedstock,
and/or shielding gas to mention a few. Due to the layer-by-layer nature of fabrication, an
interruption to the AM process can be res... | null | null | null | null | null | null |
['Mahtabi, MohammadBagher', 'Yadollahi, Aref', 'Stokes, Ryan', 'Young, Joseph', 'Doude, Haley', 'Priddy, Matthew W.', 'Bian, Linkan'] | 2023-01-26T14:17:02Z | 2023-01-26T14:17:02Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117303', 'http://dx.doi.org/10.26153/tsw/44184'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Build interruption', 'Additive manufacturing', 'Failure location', 'Al-Si-10Mg', 'Ti- 6Al-4V'] | Effects of Process Interruption During Laser Powder Bed Fusion on Microstructural and Mechanical Properties of Fabricated Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/44170140-71d3-435a-aa8e-706e1a139c22/download | null | Despite appropriate planning, various incidents can stop the additive manufacturing (AM)
process of metals and cause build interruption, such as power outage, lack of powder feedstock,
and/or shielding gas to mention a few. Due to the layer-by-layer nature of fabrication, an
interruption to the AM process can be res... | null | null | null | null | null | null |
['Huang, Wenpu', 'Wang, Zemin', 'Yang, Jingjing', 'Yang, Huihui', 'Zeng, Xiaoyan'] | 2021-11-10T23:06:23Z | 2021-11-10T23:06:23Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90204', 'http://dx.doi.org/10.26153/tsw/17125'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'process parameters', 'heat treatment', 'microstructure', 'mechanical properties'] | Effects of Process Parameters and Heat Treatment on the Microstructure and Mechanical Properties of Selective Laser Melted Inconel 718 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ea24d57c-b513-4f88-8eaa-0597b9f5f924/download | University of Texas at Austin | In this study, Inconel 718 superalloy was fabricated by selective laser melting
(SLM) and solution treated at 980-1230 ℃subsequently. The process window was firstly set up
based on the density of the samples. Samples were fabricated using various parameters within the
process window to investigate the effects of proces... | null | null | null | null | null | null |
['Bontha, S.', 'Brown, C. J.', 'Klingbeil, N. W.', 'Gaddam, D. R.', 'Kobryn, P. A.', 'Fraser, H. L.', 'Sears, J. W.'] | 2020-02-12T15:16:08Z | 2020-02-12T15:16:08Z | 2004 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/79935', 'http://dx.doi.org/10.26153/tsw/6961'] | eng | 2004 International Solid Freeform Fabrication Symposium | Open | Solidification Microstructure | Effects of Process Variables and Size Scale on Solidification Microstructure in Laser-Based Solid Freeform Fabrication of Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d2fec261-3ff6-4473-8cf8-cf59e9285fc1/download | null | null | null | null | null | null | null | null |
['Gray IV, R. W.', 'Baird, D. G.', 'Bohn, J. H.'] | 2018-12-05T20:32:09Z | 2018-12-05T20:32:09Z | 1997 | Mechanical Engineering | doi:10.15781/T24B2XR11 | http://hdl.handle.net/2152/71414 | eng | 1997 International Solid Freeform Fabrication Symposium | Open | ['FDM', 'Thermotropic liquid crystalline polymers'] | Effects of Processing Conditions on Prototypes Reinforced with TLCPs for Fused Deposition Modeling | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1484ef81-4ea6-419e-9e3c-87dbfe6beada/download | null | Polypropylene (PP) composite strands, reinforced with thermotropic liquid crystalline
polymers (TLCPs), were generated using a novel dual extrusion process which allowed for
the use of a TLCP with a significantly higher melting temperature than that of the PP.
Pregenerated TLCPtpp microcomposite strands were reprocesse... | null | null | null | null | null | null |
['Hrabe, Nikolas', 'Kircher, Ryan', 'Quinn, Timothy'] | 2021-10-07T15:02:25Z | 2021-10-07T15:02:25Z | 2012 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88472', 'http://dx.doi.org/10.26153/tsw/15409'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['electron beam melting', 'titanium alloy', 'Ti-6Al-4V', 'characterization', 'orientation', 'mechanical properties'] | Effects of Processing on Microstructure and Mechanical Properties of Ti-6Al-4V Fabricated using Electron Beam Melting (EBM): Orientation and Location | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2800f141-e075-4558-8353-30788794955a/download | null | Electron beam melted (EBM) titanium alloy (Ti-6Al-4V) samples were built and
characterized (qualitative prior-β grain size, quantitative α lath thickness, monotonic tensile,
Vickers microhardness) to determine the effect of location and orientation on microstructure and
properties. Samples of vertical orientation, comp... | null | null | null | null | null | null |
['Gong, Haijun', 'Rafi, Khalid', 'Starr, Thomas', 'Stucker, Brent'] | 2021-10-11T20:28:46Z | 2021-10-11T20:28:46Z | 8/16/13 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88631', 'http://dx.doi.org/10.26153/tsw/15565'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Melting', 'Electron Beam Melting', 'Ti-6Al-4V', 'processing parameter', 'marginal parameters', 'part defect'] | The Effects of Processing Parameters on Defect Regularity in Ti-6Al-4V Parts Fabricated By Selective Laser Melting and Electron Beam Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1961575d-60e4-4b15-bbe3-e074d2bfb298/download | University of Texas at Austin | Processing parameter has an important effect on Selective Laser Melting (SLM) and
Electron Beam Melting (EBM) processes. Defects are easily formed by deviating from optimized
processing parameters. This study purposely fabricated Ti-6Al-4V specimens with defects by
varying process parameters from the factory default se... | null | null | null | null | null | null |
['Basak, Amrita', 'Kalaitzidou, Kyriaki', 'Das, Suman'] | 2021-11-02T14:35:32Z | 2021-11-02T14:35:32Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89811 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'scanning laser epitaxy', 'SLE', 'nickel-base', 'superalloys', 'CMSX-4', 'mechanical testing'] | Effects of Processing Parameters on the Mechanical Properties of CMSX-4® Additively Fabricated through Scanning Laser Epitaxy (SLE) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/44239336-105c-45f8-aceb-8e03c570ee9b/download | University of Texas at Austin | The work aims to characterize the effects of processing parameters on the mechanical properties
of CMSX-4® fabricated using a laser-powder bed fusion (LPBF)-based additive manufacturing
(AM) process, scanning laser epitaxy (SLE). The laser power, the scan speed, and the number of
repeat scans are varied in SLE. These p... | This work is sponsored by the Office of Naval Research
through grant N00014-14-1-0658. | null | null | null | null | null |
['Masoomi, Mohammad', 'Thompson, Scott M.', 'Shamsaei, Nima', 'Haghsenas, Meysam'] | 2021-11-08T21:56:11Z | 2021-11-08T21:56:11Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90052', 'http://dx.doi.org/10.26153/tsw/16973'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['scanning', 'residual stress', 'temperature distribution', 'laser powder bed fusion', 'L-PBF', 'Ti-6Al-4V'] | Effects of Scanning Strategy on Residual Stress Formation in Additively Manufactured Ti-6Al-4V Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f285202d-ac2d-48c3-a108-c8744e82a073/download | University of Texas at Austin | Parts fabricated via directed energy additive manufacturing (AM) can experience very high, localized
temperature gradients during manufacture. These temperature gradients are conducive to the formation
of a complex residual stress field within such parts. In the study, a thermo-mechanical model is employed
for predicti... | null | null | null | null | null | null |
['Jost, Elliott', 'Miers, John', 'Robinson, Aron', 'Moore, David', 'Saldana, Christopher'] | 2021-11-17T23:59:16Z | 2021-11-17T23:59:16Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90362', 'http://dx.doi.org/10.26153/tsw/17283'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['spatial energy distribution', 'defects', 'fractures', 'stainless steel 316L', 'scanning electron microscopy', 'laser powder bed fusion', 'LPBF'] | Effects of Spatial Energy Distribution on Defects and Fracture of LPBF 316L Stainless Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bfcdf007-1ab5-4261-b1a0-d0a8e2daa24b/download | University of Texas at Austin | Measures of energy input and spatial energy distribution during laser powder bed fusion
additive manufacturing have significant implications for the build quality of parts, specifically
relating to formation of internal defects during processing. In this study, scanning electron
microscopy was leveraged to investigate ... | null | null | null | null | null | null |
['Kircher, R.S.', 'Christensen, A.M.', 'Wurth, K.W.'] | 2021-09-28T20:27:20Z | 2021-09-28T20:27:20Z | 2009-09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88175', 'http://dx.doi.org/10.26153/tsw/15116'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['microstructures', 'mechanical properties', 'additive manufacturing', 'Ti6Al4V alloys', 'Electron Beam Melting'] | The Effects of Specimen Dimensions on the Mechanical Behavior of EBM Produced Ti6Al4V Alloys | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f2c6fe66-db6f-486d-b51e-209022d957b4/download | University of Texas at Austin | There are several published studies investigating the microstructures and mechanical
properties obtained during additive manufacturing of Ti6Al4V alloys utilizing the Electron Beam
Melting (EBM) technique. These studies have concentrated on conventional testing coupon sizes
and configurations which allowed for a direct... | null | null | null | null | null | null |
['Kletetzka, I.', 'Gawlikowicz, R.', 'Schmid, H.-J.'] | 2023-03-29T16:24:21Z | 2023-03-29T16:24:21Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117679', 'http://dx.doi.org/10.26153/tsw/44558'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | laser sintering | Effects of Spherical Fillers on the Processability and Mechanical Properties of PA613 and PP-Based Laser Sintering Dry Blends | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0e0bce04-badf-4597-8a3f-a34b86173668/download | null | Polymer materials filled with particles may show substantially altered mechanical
properties. Therefore, it is an important aim to be able to tailor the mechanical properties of LS
components by adding fillers and thus to create new application areas for additively manufactured
components. In this work, the influenc... | null | null | null | null | null | null |
['Soltani-Tehrani, Arash', 'Yasin, Mohammad Salman', 'Shao, Shuai', 'Shamsaei, Nima'] | 2021-12-06T23:02:16Z | 2021-12-06T23:02:16Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90708', 'http://dx.doi.org/10.26153/tsw/17627'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'Ti-6Al-4V', 'stripe width', 'L-PBF', 'process parameters'] | Effects of Stripe Width on the Porosity and Mechanical Performance of Additively Manufactured Ti-6Al-4V Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fb479358-df67-427b-aa0b-66ec6917b9a4/download | University of Texas at Austin | In laser powder bed fusion (L-PBF) additive manufacturing, parts are manufactured in a
layer-by-layer pattern. In each layer, cross-sections can be scanned with or without partitioning by
the laser, which are commonly known as “stripe” and “meander” patterns, respectively. Under the
two scanning strategies, the thermal... | null | null | null | null | null | null |
['Li, Jie', 'Leu, Ming C.', 'Hilmas, Gregory E.'] | 2021-10-19T20:15:05Z | 2021-10-19T20:15:05Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89330 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['temperature', 'extrusion-based additive manufacturing', 'ceramic parts', 'freeform extrusion fabrication'] | Effects of Temperature on Aqueous Freeform Extrusion Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/385f5472-05bd-428e-a5f6-1769dc24836a/download | University of Texas at Austin | An experimental study was conducted to investigate the effect of temperature on ceramic
parts produced by paste extrusion based additive manufacturing followed by sintering. A
computer-controlled gantry system equipped with a piston extruder was used to extrude aqueous
alumina paste. The system includes a temperature c... | null | null | null | null | null | null |
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