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['Mumtaz, K.', 'Vora, P.', 'Hopkinson, N.'] | 2021-10-04T20:23:25Z | 2021-10-04T20:23:25Z | 8/17/11 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88338', 'http://dx.doi.org/10.26153/tsw/15277'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['metal powder bed', 'additive manufacturing', 'anchors', 'supports', 'overhanging features', 'laser processing', 'powder bed'] | A Method to Eliminate Anchors/Supports from Directly Laser Melted Metal Powder Bed Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a0c3d29a-74ea-4e89-9a75-be8ed505bf3c/download | University of Texas at Austin | Metal powder bed AM processes have a significant drawback in that they require
anchors/supports to hold overhanging features down during laser processing. This severely
restricts the geometries that the processes can make, adds significant time and cost to production
and reduces throughput as parts cannot be easily sta... | null | null | null | null | null | null |
['Guduri, Sashidhar', 'Crawford, Richard H.'] | 2018-04-19T16:35:34Z | 2018-04-19T16:35:34Z | 1992 | Mechanical Engineering | doi:10.15781/T2KS6JN34 | http://hdl.handle.net/2152/64381 | eng | 1992 International Solid Freeform Fabrication Symposium | Open | ['Department of Mechanical Engineering', 'Constructive Solid Geometry', 'CSG'] | A Method to Generate Exact Contour Files for Solid Freeform Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b2e5f03d-cf12-4d19-8586-739e32005609/download | null | Existing methods to create contour files generate a polygonal approximation of
the contours instead of an exact representation. This paper presents a method to generate
exact contours from Constructive Solid Geometry (CSG) representations. The method
preserves the accuracy of the contour files provided the primitives u... | null | null | null | null | null | null |
['Ott, M.', 'Meihofener, N.', 'Mozgova, I.'] | 2024-03-26T17:12:28Z | 2024-03-26T17:12:28Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124380', 'https://doi.org/10.26153/tsw/50988'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['neural network', 'design time', 'design', 'additive manufacturing'] | Methodical Approach to Reducing Design Time by using Neural Networks in Early Stages of Concept Development | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bde10f58-b6b3-4c3a-8038-cd07c762c6bb/download | University of Texas at Austin | Modern companies often face various challenges in concept development of products or systems.
Design engineers prepare initial concepts as 3D models. These are then simulated by computational
engineers. If requirements are not met, this necessitates an iterative process that runs between the
design and computation depa... | null | null | null | null | null | null |
['Borstell, D.', 'Walker, N.', 'Kurz, S.'] | 2021-11-30T20:51:53Z | 2021-11-30T20:51:53Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90543', 'http://dx.doi.org/10.26153/tsw/17462'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['orthosis', 'left hand', 'double bass', 'perception', 'methodology', '3D printing'] | Methodical Design of a 3D-Printable Orthosis for the Left Hand to Support Double Bass Perceptional Training | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1ca0a87c-14b3-4765-a94c-4274ae8e29f2/download | University of Texas at Austin | The evolution of Additive Manufacturing (AM) in the past decades has opened up its
use to a wide range of new applications where conventional manufacturing methods dominated.
Orthoses are medical devices, mostly used on legs or arms after injuries or surgery. Amongst
other functions, they limit the possible movement of... | null | null | null | null | null | null |
['Uí Mhurchadha, S.M.', 'Huynh, M.P.', 'Quinn, P.T.', 'Tomaz, I.', 'Raghavendra, R.'] | 2021-12-01T22:01:47Z | 2021-12-01T22:01:47Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90630', 'http://dx.doi.org/10.26153/tsw/17549'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['smart components', 'experimental characterisation', '316L stainless steel', 'smart component'] | A Methodology for the Embedding of Sensors in Components Manufactured Using Metal Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1df0ad21-48a8-4df5-8019-326925f53fbc/download | University of Texas at Austin | This paper presents a methodology for the embedding of a sensor in a 316L stainless steel component
during the laser powder bed fusion process. The aim of this study is to overcome the drawbacks of traditional
sensor attachment to the surface of a component via placing sensors into a part during the manufacturing proce... | null | null | null | null | null | null |
['Tyvaert, Irenee', 'Fadel, Georges', 'Rouhaud, Emannuelle'] | 2019-03-08T17:40:53Z | 2019-03-08T17:40:53Z | 1999 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73571', 'http://dx.doi.org/10.26153/tsw/713'] | eng | 1999 International Solid Freeform Fabrication Symposium | Open | ['Reverse Engineering', 'Rapid Prototyping'] | A Methodology to Create STL Files from Data Point Clouds Generated with a Coordinate Measuring Machine | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0e63b2b9-7796-47eb-bc53-34f535ed8451/download | null | Industries have always had the need to reproduce objects especially when drawings
are no longer or were never available (reverse engineering). Coordinate measurement
machines, whether touch- or laser-based, enable users to generate a point cloud representing
a surface. The aim of this work is to develop a methodology a... | null | null | null | null | null | null |
['Nikoukar, Mohammad', 'Patil, Nachiket', 'Pal, Deepankar', 'Stucker, Brent'] | 2021-10-11T21:15:30Z | 2021-10-11T21:15:30Z | 2013 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88644', 'http://dx.doi.org/10.26153/tsw/15578'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['Cholesky algorithm', 'stiffness matrix', 'additive manufacturing', 'thermo-mechanical properties prediction', 'finite element analysis'] | Methods for Enhancing the Speed of Numerical Calculations for the Prediction of the Mechanical Behavior of Parts Made Using Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b3a9e96f-f46d-4563-8e69-faa54f43fc6d/download | University of Texas at Austin | Finite element modeling (FEM) is one of the most common methods for predicting the thermo-mechanical
properties of 3D structures. Since FEM was developed primarily to analyze and optimize structures that would
then be mass-produced, the time for modeling was small compared to the time required to produce the
components... | null | null | null | null | null | null |
['Turk, Tunay', 'Hung, Chia-Hung', 'Hossein Sehhat, M.', 'Leu, Ming C.'] | 2021-12-06T23:21:04Z | 2021-12-06T23:21:04Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90714', 'http://dx.doi.org/10.26153/tsw/17633'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['automation', 'laser foil printing', 'laser based metal additive manufacturing'] | Methods of Automating the Laser-Foil-Printing Additive Manufacturing Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/63872eea-9d98-4b53-9149-1e48fb746a68/download | University of Texas at Austin | Laser Foil Printing (LFP) is a laser-based metal Additive Manufacturing (AM) method
recently developed at Missouri University of Science and Technology. This study investigates and
compares two different methods of automating part fabrication for the LFP process. Specifically,
the edge elevation issue due to laser cutt... | null | null | null | null | null | null |
['Beller, Z.J.', 'Secor, E.B.', 'Lavin, J.', 'Keicher, D.M.', 'Essien, M.', 'Whetten, S.', 'Mani, S.S.'] | 2021-11-10T21:33:16Z | 2021-11-10T21:33:16Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90182', 'http://dx.doi.org/10.26153/tsw/17103'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['anti-reflective coatings', 'optics', 'deposition', 'deposition methods', 'additive manufacturing'] | Methods of Depositing Anti-Reflective Coatings for Additively Manufactured Optics | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5ea7613d-96ae-4708-b796-89c10f02b8cb/download | University of Texas at Austin | Recent advancements in the field of additive manufacturing (AM) have enabled the
production of high-fidelity optical components allowing for the design of novel fiber optic
systems. In order to support this emerging technology, methods of depositing anti-reflective
coatings (ARCs) onto these optical components must be ... | null | null | null | null | null | null |
['Li, Wenbin', 'Ghazanfari, Amir', 'Leu, Ming C.', 'Landers, Robert G.'] | 2021-10-19T20:21:00Z | 2021-10-19T20:21:00Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89331 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['extrusion-on-demand', 'high solids', 'loading ceramic pastes', 'ceramics paste', 'ram extruder', 'needle valve', 'auger valve'] | Methods of Extrusion on Demand for High Solids Loading Ceramic Paste in Freeform Extrusion Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/34c67d5f-9812-42c0-9852-b10b20c8bc85/download | University of Texas at Austin | Fabrication of highly dense parts with complex geometry by paste-extrusion-based solid
freeform fabrication processes requires a precise control of the extrusion flow rate to dispense
material on demand, which is often referred as Extrusion-On-Demand (EOD). The extrusion
process for aqueous ceramic pastes is complex an... | null | null | null | null | null | null |
['Hiller, Jonathan', 'Lipson, Hod'] | 2020-03-09T14:37:05Z | 2020-03-09T14:37:05Z | 2007 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80186', 'http://dx.doi.org/10.26153/tsw/7205'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | Digital Freeform Fabrication | Methods of Parallel Voxel Manipulation for 3D Digital Printing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/19642b97-a6ed-4c86-bd2e-581793b828c8/download | null | A novel digital printing concept is explored for desktop fabrication of multimaterial objects with arbitrary 3D geometry. Digital objects are composed of
many discrete, self-aligning voxels instead of continuous (analog) deposition
techniques. Overall accuracy is determined by the individual voxels instead of the
print... | null | null | null | null | null | null |
['Fischer, J.', 'Kniepkamp, M.', 'Abele, E.'] | 2021-10-12T19:56:56Z | 2021-10-12T19:56:56Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88727', 'http://dx.doi.org/10.26153/tsw/15661'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['Micro Laser Melting', 'additive manufacturing', 'micro manufacturing', 'micro parts', '316L steel powder'] | Micro Laser Melting: Analyses of Current Potentials and Restrictions for the Additive Manufacturing of Micro Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/52c78606-f603-4060-8b93-ebaeaa73b649/download | University of Texas at Austin | Although there is a significant requirement for complex micro parts, current metal processing
additive manufacturing techniques are limited in achievable part accuracy and geometric
resolution. Due to the recently developed process of Micro Laser Melting (MLM) new
potentials in micro manufacturing are realizable.
This ... | null | null | null | null | null | null |
['Cheng, Xudong', 'Schwieso, Patrick', 'Choi, Hongseok', 'Datta, Arindom', 'Li, Xiaochun'] | 2020-02-13T20:54:10Z | 2020-02-13T20:54:10Z | 8/30/04 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/79977', 'http://dx.doi.org/10.26153/tsw/7002'] | null | 2004 International Solid Freeform Fabrication Symposium | Open | process monitoring | Micro Thin Film Sensor Embedding in Metal Structures for Rapid Production of Miniature Smart Metal Tooling | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4000a7f2-e545-49fa-b208-3c8106b943f3/download | null | In-situ monitoring and control of temperature and strain is important to improve
product quality for numerous mesoscale manufacturing processes. However, it is difficult for
conventional sensors to provide measurements with a high spatial and temporal resolution at
critical locations. This paper studies the fabrication... | null | null | null | null | null | null |
['Shuai, Li', 'Wei, Qingsong', 'Shi, Yusheng', 'Zhang, Jie', 'Wei, Li'] | 2021-10-26T20:14:55Z | 2021-10-26T20:14:55Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89574 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['micro-crack formation', 'selective laser melting', 'Inconel 625'] | Micro-Crack Formation and Controlling of Inconel625 Parts Fabricated by Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2408600f-16a0-4a2f-a705-821469aac4ae/download | University of Texas at Austin | Micro-crack is one of the most serious defects in selective laser melting (SLM), which
impair the mechanical properties of the fabricated parts. In this study, Inconel625
superalloy specimens were fabricated by SLM process with progressive alternative
scan strategy. The morphology of the cracks, elements distribution w... | null | null | null | null | null | null |
['Ware, Henry Oliver T', 'Sun, Cheng'] | 2021-11-16T15:29:48Z | 2021-11-16T15:29:48Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90314', 'http://dx.doi.org/10.26153/tsw/17235'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['microCLIP', 'high-resolution fabrication', 'ceramic resin', 'ceramic resins', 'dimensional accuracy', '3D printing'] | microCLIP Ceramic High-Resolution Fabrication and Dimensional Accuracy Requirements | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4bc8ef78-ae46-4dd1-a261-adc2314fa270/download | University of Texas at Austin | Ceramics have been broadly used as structural and functional materials with a wide range
of engineering applications. Recent introduction of Continuous Liquid Interface Production
(CLIP) uses projection UV photopolymerization and oxygen inhibition to tremendously reduce
fabrication time. In addition to 3D printing poly... | null | null | null | null | null | null |
['Vail, N.K.', 'Barlow, J.W.'] | 2018-04-10T16:20:43Z | 2018-04-10T16:20:43Z | 1990 | Mechanical Engineering | doi:10.15781/T2R78658X | http://hdl.handle.net/2152/64234 | eng | 1990 International Solid Freeform Fabrication Symposium | Open | ['The Center for Materials Science and Engineering', 'Department of Chemical Engineering', 'Selective Layer Sintering', 'SLS'] | Microencapsulation of Finely Divided Ceramic Powders | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f21f2bd3-a186-49ef-9040-33b4ad5d2347/download | null | Polymer coated alumina particles have been prepared by spray
drying alumina powder with a polymer emulsion. Powders containing a
maximum of 50% wt. were obtained. The coated particles were compared
to mixtures of alumina and polymer. Oven sintering tests show the coated
material to compact more than the mixed and pure ... | null | null | null | null | null | null |
['Udofia, Edidiong Nseowo', 'Zhou, Wenchao'] | 2021-11-15T21:45:57Z | 2021-11-15T21:45:57Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90280', 'http://dx.doi.org/10.26153/tsw/17201'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['microextrusion', '3D printing', 'evaporation timescale', 'capillary rise', 'standoff distance', 'substrate driven ink flow', 'surface energy', 'PDMS printing'] | Microextrusion Based 3D Printing – A Review | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3f122912-7900-4083-9add-268872eed30d/download | University of Texas at Austin | Whilst extrusion-based 3D printing processes have been successfully applied at the macroscale,
this seeming simplicity belies the dynamic complexities needed for consistent, repeatable and cost-effective printing at the microscale. To fully tap into the promise of microextrusion (µEP) of
fabricating fine resolution fea... | null | null | null | null | null | null |
['Griffith, Michelle', 'Yang, Pin', 'Burns, George', 'Harris, Marc'] | 2019-11-15T16:05:02Z | 2019-11-15T16:05:02Z | 2003 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78418', 'http://dx.doi.org/10.26153/tsw/5505'] | eng | 2003 International Solid Freeform Fabrication Symposium | Open | Femtosecond | Microfabrication with Femtosecond Laser Processing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/45cf4965-26eb-4cd5-a759-bc348c972b8d/download | null | Our research investigates the special characteristics of femtosecond laser processing for
microfabrication. The ultrashort pulse significantly reduces the thermal diffusion length. As a
result, material is removed more efficiently with little damage to the surrounding feature volume.
Currently, we are exploring the bas... | This work supported by the U. S. Department of Energy under contract DE-AC04-94AL85000. | null | null | null | null | null |
['Holt, Nicholas', 'VanHorn, Austin', 'Montazeri, Masha', 'Zhou, Wenchao'] | 2021-11-03T21:58:35Z | 2021-11-03T21:58:35Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89945 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'MAPS', 'MEMS', 'microheaters', 'printed electronics', 'powder bed processes'] | Microheater Array Powder Sintering: A Novel Additive Manufacturing Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e8ae28f9-3f23-4898-a13f-323ee2cb9ae2/download | University of Texas at Austin | One of the most versatile additive manufacturing (AM) processes is selective laser sintering (SLS), which
scans a powder bed with a laser beam to fuse powder particles layer by layer to build 3D objects for prototypes
and end products with a wide range of materials. However, it suffers from slow printing speed due to t... | null | null | null | null | null | null |
['Crane, Nathan', 'Nellis, Mike', 'Nolas, George', 'Harmon, Julie'] | 2020-03-09T13:11:50Z | 2020-03-09T13:11:50Z | 8/21/07 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80170', 'http://dx.doi.org/10.26153/tsw/7189'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | solid freeform fabrication | Microscale Freeform Integration by Directed Self Assembly | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b090578e-3e0a-4723-9c65-690e82cffead/download | null | Most solid freeform fabrication (SFF) manufacturing processes assemble uniform
components such as powder particles or polymer chains to produce desired geometries. Their
capacity for producing highly functional parts (integrated actuation, sensing, and electronics)
will dramatically increase when multiple materials and... | null | null | null | null | null | null |
['Xu, Yi', 'Imamura, Masato', 'Nakagawa, Takeo'] | 2018-11-29T20:28:05Z | 2018-11-29T20:28:05Z | 1997 | Mechanical Engineering | doi:10.15781/T27S7JC2B | http://hdl.handle.net/2152/70340 | eng | 1997 International Solid Freeform Fabrication Symposium | Open | ['Stereolithography', '3D objects'] | Microscopic Flow Observation of Photopolymer by UV-Laser Beam Exposure | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f89cc208-2b06-4a77-86d3-b06c7ea22e2d/download | null | Microscopic flow of liquid photopolylner around the cured polymer was observed
during laser exposure. The maximum velocity was about 4 mm/s. The temperature raised by
reaction heat, causes the density of liquid photopolymer to vary, resulting in this flow. This
flow causes the nearby cured strands to sway and it decrea... | null | null | null | null | null | null |
['Chartrain, Nicholas A.', 'Vratsanos, Maria', 'Han, Dung T.', 'Sirrine, Justin M.', 'Pekkanen, Allison', 'Long, Timothy E.', 'Whittington, Abby R.', 'Williams, Christopher B.'] | 2021-10-28T21:59:25Z | 2021-10-28T21:59:25Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89711 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['tissue scaffold', 'regenerative medicine', 'stereolithography', 'biodegradable', 'polymer'] | Microstereolithography of Tissue Scaffolds Using a Biodegradable Photocurable Polyester | Conference paper | https://repositories.lib.utexas.edu//bitstreams/13a2bcaf-6214-4e3a-9ee0-ba4729919841/download | University of Texas at Austin | Due to its ability to create complex cellular geometries with extremely fine resolution, mask
projection microstereolithography (MPμSL) can be useful for fabricating designed tissue
scaffolds and other biological constructs for use in Tissue Engineering and Regenerative
Medicine. However, few photocurable materials wit... | null | null | null | null | null | null |
['Hanumantha, M.', 'Farhang, B.', 'Ravichander, B.B.', 'Ganesh-Ram, A.', 'Ramachandra, S.', 'Finley, B.E.', 'Swails, N.', 'Amerinatanzi, A.'] | 2021-12-06T22:41:51Z | 2021-12-06T22:41:51Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90702', 'http://dx.doi.org/10.26153/tsw/17621'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'overhangs', 'IN718', 'microstructure', 'Vickers hardness'] | Microstructural and Mechanical Characterization of Laser Powder Bed Fusion of IN718 Overhangs | Conference paper | https://repositories.lib.utexas.edu//bitstreams/53ceec45-b4b0-461b-b46b-1bfb2b0a511b/download | University of Texas at Austin | Inconel 178 (IN718), a nickel-chromium-based superalloy known for its superior properties is used
in aerospace, oil, and gas industries. Due to its high hardness, IN718 is difficult to be machined.
Therefore, fabrication of IN718 components with complex geometries is a big challenge when
conventional manufacturing tech... | null | null | null | null | null | null |
['Ewing, Cody', 'Wu, Yan', 'Yang, Li'] | 2021-11-09T20:01:18Z | 2021-11-09T20:01:18Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90149', 'http://dx.doi.org/10.26153/tsw/17070'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['Ti6Al4V', 'cellular struts', 'microstructure', 'mechanical characterization', 'electron beam powder bed fusion', 'EB-PBF', 'additive manufacturing'] | Microstructural and Mechanical Characterization of Ti6Al4V Cellular Struts Fabricated by Electron Beam Powder Bed Fusion Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/64ea57a6-a79f-46c7-ac6f-a98cb795e7b9/download | University of Texas at Austin | Despite the widespread use of the electron beam powder bed fusion (EB-PBF) additive
manufacturing (AM) process in the fabrication of cellular structures, relatively little is known
about the microstructural and mechanical properties of the individual cellular struts of different
geometries fabricated by the EB-PBF. In ... | null | null | null | null | null | null |
['Ning, Fuda', 'Hu, Yingbin', 'Liu, Zhichao', 'Wang, Hui', 'Cong, Weilong', 'Li, Yuzhou'] | 2021-10-27T21:15:57Z | 2021-10-27T21:15:57Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89616 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['laser engineered net shaping', 'LENS', 'Al2O3 nanoparticle reinforced composites', 'microstructures', 'microhardness', 'compressive properties'] | Microstructural and Mechanical Performance of Al2O3 Nanoparticle Reinforced 17-4 PH Stainless Steel Bulk Composite Parts Fabricated by Laser Engineered Net Shaping Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1465a78a-c1ce-461f-ad14-38ebff18d12a/download | University of Texas at Austin | Alloy 17-4 PH (AISI 630) is a precipitation-hardening martensitic stainless steel that has
been extensively employed in the industries of aerospace, marine, and chemical. In this study,
bulk parts of both 17-4 PH and Al2O3 reinforced 17-4 PH composites were fabricated on a steel
substrate by laser engineered net shapin... | null | null | null | null | null | null |
['Lakshminarayan, Uday', 'Marcus, H.L.'] | 2018-04-17T18:16:25Z | 2018-04-17T18:16:25Z | 1991 | Mechanical Engineering | doi:10.15781/T2RN30R1X | http://hdl.handle.net/2152/64340 | eng | 1991 International Solid Freeform Fabrication Symposium | Open | ['Center for Materials Science and Engineering', 'Selective Laser Sintering', 'SLS', 'material systems'] | Microstructural and Mechanical Properties of Al2O3/P2O5 AND Al2O3/B2O3 Composties Fabricated by Selective Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/af8d903c-bafc-4f6d-b83b-8797923a8ff2/download | null | The feasibility of processing ceramic powders by Selective Laser Sintering has been
reported in an earlier paperl . Material systems we have investigated include alumina based
systems with ammonium phosphate or boron oxide as low temperature binders which are
the systems discussed in this paper. With bOth systems, a se... | null | null | null | null | null | null |
['Doris, A.', 'Trujillo, I.', 'Godinez, D.', 'Arrieta, E.', 'Wicker, R.B.', 'Gradi, P.', 'Katsarelis, C.C.', 'Medina, F.'] | 2024-03-26T16:36:49Z | 2024-03-26T16:36:49Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124362', 'https://doi.org/10.26153/tsw/50970'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['Inconel 718', 'laser powder bed fusion', 'geometric feature build plate', 'multiple machine configurations', 'heat treatment', 'microindentation hardness', 'optical microscopy', 'EBSD image mapping', 'microstructure'] | Microstructural and microhardness variations of laser powder bed fusion (L-PBF) additively manufactured Inconel 718 due to machine variability and wall thickness for aerospace applications | Conference paper | https://repositories.lib.utexas.edu//bitstreams/08671889-83a3-4fa1-8021-0a78d6ffdaaf/download | University of Texas at Austin | This paper reports on a study investigating the microstructure and microhardness of thin walls
fabricated by Laser Powder Bed Fusion (L-PBF) from sixteen geometric feature build plates. The
study evaluated any variance in those properties with the variation in thickness by characterizing
the XY and YZ planes of seven t... | null | null | null | null | null | null |
['Gong, X.', 'Lydon, J.', 'Cooper, K.', 'Chou, K.'] | 2021-10-12T22:59:01Z | 2021-10-12T22:59:01Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88765', 'http://dx.doi.org/10.26153/tsw/15699'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['electron beam additive manufacturing', 'additive manufacturing', 'beam scanning speed', 'microstructure', 'Ti-6Al-4V'] | Microstructural Characterization and Modeling of Beam Speed Effects on Ti-6Al-4V by Electron Beam Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d2a06ce7-348d-45c8-a4a1-4e01b5e910a1/download | University of Texas at Austin | In this study, the influence of the beam scanning speed to the microstructure of Ti-6Al4V parts processed by EBAM is investigated. EBAM parts were fabricated with 4 different
scanning speeds, ranging from 214 mm/s to 689 mm/s, and the microstructures were studied. In
addition, the volume fractions of different phases w... | null | null | null | null | null | null |
['Fu, Tian', 'Fan, Zhiqiang', 'Pulugurtha, Syamala R.', 'Sparks, Todd E.', 'Ruan, Jianzhong', 'Liou, Frank', 'Newkirk, Joseph W.'] | 2020-03-10T17:37:47Z | 2020-03-10T17:37:47Z | 2008 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80236', 'http://dx.doi.org/10.26153/tsw/7255'] | eng | 2008 International Solid Freeform Fabrication Symposium | Open | Laser Direct Metal Deposition | Microstructural Characterization of Diode Laser Deposited Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e61495da-acd9-4974-9cbf-42ba33c9b98b/download | null | Laser Direct Metal Deposition (DMD) is an effective approach to manufacturing or
repairing a range of metal components. The process is a layer-by-layer approach to building
up a three dimensional solid object. The microstructure influences mechanical properties of
the deposited parts. Thus, it is important to understan... | null | null | null | null | null | null |
['Doris, A.', 'Trujillo, L.', 'Godinez, Dana', 'Arrieta, E.', 'Wicker, R. B.', 'Gradl, P.', 'Medina, F.'] | 2023-03-30T15:58:19Z | 2023-03-30T15:58:19Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117693', 'http://dx.doi.org/10.26153/tsw/44572'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Additive manufacturing', 'laser powder bed fusion (L-PBF)', 'Inconel 718', 'Microstructural Characterization'] | Microstructural Characterization of Laser Powder Bed Fusion (L-PBF) Additively Manufactured Inconel 718 for Aerospace Application | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f2f330fd-0995-409f-963c-5090d8540dba/download | null | Alloy 718 (Inconel 718) is used for aerospace applications because of its excellent corrosion
resistance and mechanical properties. This alloy is particularly applicable in manufacturing
components subjected to high temperatures in rocket engines, aero-engines, and gas turbines.
Properties for this alloy when proces... | null | null | null | null | null | null |
['Basak, Amrita', 'Das, Suman'] | 2021-10-26T19:36:52Z | 2021-10-26T19:36:52Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89567 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['MAR-M247', 'scanning laser epitaxy', 'microstructure', 'nickel-based superalloy'] | Microstructural Characterization of MAR-M247 Fabricated Through Scanning Laser Epitaxy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2d3aa7fb-b68e-4daa-bc91-ba0c7ba2e207/download | University of Texas at Austin | Nickel-base superalloys are extensively used to produce gas turbine hot section components as
these alloys offer improved creep strength and higher fatigue resistance compared to other alloys
due to the presence of precipitate-strengthening phases such as Ni3Ti or Ni3Al (γ' phases) in the
normally face-centered cubic (... | This work is
sponsored by the Office of Naval Research through grants N00014-11-1-0670 and N00014-14-1-
0658. | null | null | null | null | null |
['Cima, M.J.', 'Lauder, A.', 'Khanuja, S.', 'Sachs, E.'] | 2018-04-19T18:17:45Z | 2018-04-19T18:17:45Z | 1992 | Mechanical Engineering | doi:10.15781/T2W37MC63 | http://hdl.handle.net/2152/64402 | eng | 1992 International Solid Freeform Fabrication Symposium | Open | ['Three Dimensional Printing', 'rapid prototyping', '3DP'] | Microstructural Elements of Components Derived from 3D Printing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f00d2d88-6b31-4ae6-9392-f16d0bf2b030/download | null | null | null | null | null | null | null | null |
['Niino, Toshiki', 'Haraguchi, Hisashi', 'Itagaki, Yutaro', 'Hara, Kentaro', 'Morita, Susumu'] | 2021-10-06T20:46:07Z | 2021-10-06T20:46:07Z | 8/22/12 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88440', 'http://dx.doi.org/10.26153/tsw/15377'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['preheat free processed parts', 'microstructural observation', 'laser sintering', 'plastic parts'] | Microstructural Observation and Mechanical Property Evaluation of Plastic Parts Obtained by Preheat Free Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7f3d7d83-d0bc-4953-8889-4f7bd6cd5474/download | University of Texas at Austin | Tensile test on preheat free (PF) processed part was performed it is shown that ultimate
strength is the same as that from conventional process when relative density is the
same. Microstructural observation showed that decomposition occurs during PF process.
Microstructure of PF processed part is similar to those of am... | null | null | null | null | null | null |
['Sterling, Amanda J.', 'Torries, Brian', 'Shamsaei, Nima', 'Thompson, Scott M.', 'Daniewicz, Steven R.'] | 2021-10-20T21:26:12Z | 2021-10-20T21:26:12Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89365 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['Laser Engineered Net Shaping', 'fatigue', 'porosity', 'Ti-6Al-4V'] | Microstructural Sensitive Fatigue Modeling of Additively Manufactured Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a7480ab9-aa56-4f83-a789-fe6fb10b85d7/download | University of Texas at Austin | A common issue in powder-based Additive Manufacturing (AM) techniques is
porosity. While process parameters can be controlled to limit this occurrence, complete
elimination without post-processing is difficult. Because porosity can significantly affect fatigue
behavior of AM parts, it is important to understand and mod... | null | null | null | null | null | null |
['Zhang, Yuanjie', 'Song, Bo', 'Zhang, Lei', 'Wang, Zhiwei', 'Shi, Yusheng'] | 2021-11-02T19:38:26Z | 2021-11-02T19:38:26Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89877 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'amorphous alloys', 'crack'] | Microstructure and Crack Distribution of Fe-Based Amorphous Alloys Manufactured by Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6bc670eb-2d5b-47fe-be3e-0986e23b9d86/download | University of Texas at Austin | In this study, Fe-based amorphous alloys with a length and width of 10 mm
and height of 6 mm were prepared by selective laser melting (SLM). X-ray diffraction,
Differential Thermal Analysis and Scanning Electron Microscope were used to
investigated the effect of scan space and strategy on the crystallization, microstru... | null | null | null | null | null | null |
['Bauer, T.', 'Spierings, A.B.', 'Wegener, K.'] | 2021-10-28T22:36:50Z | 2021-10-28T22:36:50Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89719 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'additive manufacturing', 'anti-magnetic shielding alloy', 'magnetic properties'] | Microstructure and Electro-Magnetic Properties of a Nickel-Based Anti-Magnetic Shielding Alloy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c3acc281-9b8e-44fd-997e-029cc6df6a73/download | University of Texas at Austin | Selective Laser Melting (SLM) is capable producing high performance parts e.g. for the
aerospace or turbine industry. Nonetheless there is a high potential in other sectors such as in the
electronic industry. For these applications, optimal properties of magnetic flux, coercive force
and hysteresis are required. An iso... | null | null | null | null | null | null |
['Zhang, Jingwei', 'Zhang, Yunlu', 'Liou, Frank', 'Newkirk, Joseph W.', 'Brown-Taminger, Karen M.', 'Seufzer, Walliam J.'] | 2021-10-20T21:39:23Z | 2021-10-20T21:39:23Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89367 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['laser metal deposition', 'microstructures', 'hardness', 'Vickers hardness', 'Ti6Al4V-TiC'] | A Microstructure and Hardness Study of Functionally Graded Materials Ti6Al4V/TiC by Laser Metal Deposition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c79c5ec2-cb8c-473e-9024-be5a34848953/download | University of Texas at Austin | Crack free functionally graded material (FGM) Ti6Al4V-TiC has been fabricated by laser
metal deposition (LMD) using TiC and Ti6Al4V powder which were premixed for different
ratios. This study focuses on the influence of laser processing parameters and TiC compositional
distribution on microstructure, Vickers hardness a... | null | null | null | null | null | null |
['Zhang, M.N.', 'Zhou, X.L.', 'Zhu, W.Z.', 'Li, J.H.'] | 2021-11-02T19:30:06Z | 2021-11-02T19:30:06Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89875 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'SLM', 'high-entropy alloy', 'densification', 'microstructure', 'microhardness'] | Microstructure and Mechanical Behavior of AlCoCuFeNi High-Entropy Alloy Fabricated by Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3221e562-4504-46b6-9ea6-41595d73dfc4/download | University of Texas at Austin | Additive manufacturing (AM) technique, such as selective laser melting (SLM) is a modern method for
materials fabrication and formation. In this study, AlCoCuFeNi HEA parts are fabricated by SLM using prealloyed powders prepared by atomization process. The effect of processing parameters on microstructures,
microhardne... | null | null | null | null | null | null |
['Bauer, T.', 'Dawson, K.', 'Spierings, A.B.', 'Wegener, K.'] | 2021-10-20T22:43:57Z | 2021-10-20T22:43:57Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89380 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Melting', 'additive manufacturing', 'Haynes® 230®', 'nickel base alloys', 'microstructure', 'mechanical properties'] | Microstructure and Mechanical Characterisation of SLM Processed Haynes® 230® | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ccc369c2-3505-4be4-8be4-8e86cdac6b1d/download | University of Texas at Austin | Selective Laser Melting (SLM) enables the production of complex near-net-shaped parts
especially out of difficult to machine Nickel based alloys like Haynes®
230®. However, exact
knowledge of the SLM processing windows and the corresponding mechanical properties is
essential for a target-oriented part design as well a... | null | null | null | null | null | null |
['Nastac, Mihaela', 'Klein, Rick Lucas Andrew'] | 2021-11-02T15:17:18Z | 2021-11-02T15:17:18Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89826 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['microstructure', 'mechanical property', '316L', 'stainless steel', 'binder jetting', 'electron beam melting', 'selective laser melting'] | Microstructure and Mechanical Properties Comparison of 316L Parts Produced by Different Additive Manufacturing Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/540dffbb-f348-4382-aada-ec634337e724/download | University of Texas at Austin | 316L stainless steel alloy is well known for its corrosion resistance and combination of
strength and ductility. By using direct metal additive manufacturing, 316L parts can be produced
with volumes and complexity that were previously unachievable. Three of the major metal
additive manufacturing technologies – binder j... | null | null | null | null | null | null |
['Ahmad, Nabeel', 'Baig, Shaharyar', 'Ghiaasiaan, Reza', 'Gradl, Paul R.', 'Shao, Shuai', 'Shamsaei, Nima'] | 2023-01-25T18:27:57Z | 2023-01-25T18:27:57Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117294', 'http://dx.doi.org/10.26153/tsw/44175'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Additive manufacturing', 'laser powder bed fusion (L-PBF)', 'laser powder directed energy deposition (LP-DED)', 'Inconel 718', 'grain size', 'tensile properties'] | Microstructure and mechanical properties of additively manufactured Inconel 718: A comparative study between L-PBF and LP-DED | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ceea1ffb-21ae-43c3-abca-77c49e90ecab/download | null | This study aims to characterize the microstructure and mechanical properties of
Inconel 718 fabricated using two different additive manufacturing processes: laser
powder bed fusion (L-PBF) and laser powder directed energy deposition (LP-DED).
Similar heat treatments (HTs) including stress-relief (1065ºC for 1.5 hr),... | null | null | null | null | null | null |
['Muhammad, Muztahid', 'Gusain, Rukesh', 'Ghiaasiaan, Seyed R.', 'Gradl, Paul R.', 'Shao, Shuai', 'Shamsaei, Nima'] | 2023-01-25T18:22:33Z | 2023-01-25T18:22:33Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117293', 'http://dx.doi.org/10.26153/tsw/44174'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Additive manufacturing', 'Haynes 230', 'laser powder bed fusion', 'laser powder directed energy deposition', 'tensile properties'] | Microstructure and Mechanical Properties of Additively Manufactured Haynes 230: A Comparative Study of L-PBF vs. LP-DED | Conference paper | https://repositories.lib.utexas.edu//bitstreams/99cfdd18-515e-4cc7-a2de-d207f43ff657/download | null | This study investigates the microstructure and room temperature mechanical properties of
Haynes 230 fabricated via laser powder bed fusion (L-PBF) and laser powder directed energy
deposition (LP-DED). Both L-PBF and LP-DED specimens underwent similar multiple-step heat
treatments (HT): stress-relieving (1066°C for 1... | null | null | null | null | null | null |
['Ahmad, Nabeel', 'Ghiaasiaan, Reza', 'Gradl, Paul R.', 'Shao, Shuai', 'Shamsaei, Nima'] | 2024-03-26T16:38:35Z | 2024-03-26T16:38:35Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124363', 'https://doi.org/10.26153/tsw/50971'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'laser powder bed fusion', 'laser powder directed energy deposition', 'Haynes 282', 'grain size', 'tensile properties'] | Microstructure and Mechanical Properties of Additively Manufactured Haynes 282: A Comparative Analysis between Laser Powder Bed Fusion and Laser Powder Directed Energy Deposition Technologies | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b9684a77-93c3-480b-91be-ee58d82d548d/download | University of Texas at Austin | This study compares the microstructure and tensile properties of Haynes 282 fabricated using laser powder
bed fusion and laser powder directed energy deposition. Both sets underwent stress-relieving, followed by hot
isostatic pressing, and the standard double aging heat treatment. Tensile testing was conducted at room
... | null | null | null | null | null | null |
['Yasa, E.', 'Kempen, K.', 'Kruth, J.-P.'] | 2021-09-30T15:32:25Z | 2021-09-30T15:32:25Z | 9/23/10 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88264', 'http://dx.doi.org/10.26153/tsw/15205'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Sintering', 'maraging steel 300', 'heat treatments', 'microstructures', 'mechanical properties'] | Microstructure and Mechanical Properties of Maraging Steel 300 After Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/be324be9-85bc-4e41-9ca2-79fad6c89d73/download | University of Texas at Austin | Selective laser melting (SLM) is an additive manufacturing process for the direct fabrication of
prototypes, tools and functional parts. The process uses a high intensity laser beam to selectively
fuse fine metal powder particles together in a layer-wise manner by scanning cross-sections
generated from a three-dimensio... | null | null | null | null | null | null |
['Feng, Shaw C.', 'Jones, Albert T.', 'Lu, Yan'] | 2021-12-01T22:50:05Z | 2021-12-01T22:50:05Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90644', 'http://dx.doi.org/10.26153/tsw/17563'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['data alignment', 'data registration', 'microstructure', 'mechanical property', 'additive manufacturing'] | Microstructure and Mechanical Test Data Alignment for Additive Manufacturing Data Registration | Conference paper | https://repositories.lib.utexas.edu//bitstreams/548d2741-fd42-444b-808a-315bed1cae43/download | University of Texas at Austin | Melt pool monitoring, microstructure, and mechanical property data are becoming
increasingly available and important in additive manufacturing (AM). These data along with data
analytics tools can be used to ensure the part’s quality and accelerate the qualification process. A
major impediment to correlating these types... | null | null | null | null | null | null |
['Zhang, Yunlu', 'Zhang, Jingwei', 'Liou, Frank', 'Newkirk, Joseph'] | 2021-10-20T21:45:09Z | 2021-10-20T21:45:09Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89369 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['Ti alloy composites', 'TiB-reinforced composites', 'laser metal deposition'] | Microstructure and Property of TiB-Reinforced Ti Alloy Composites by Laser Metal Deposition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5a3d903a-c392-4768-b69b-10740e1ba825/download | University of Texas at Austin | TiB-reinforced Ti alloy composites have been laser deposited with pre-alloyed Ti-6Al4V-1B powder. The microstructure of the as-deposited and heat treated composites have been
characterized in detail using scanning electron microscope (SEM). A homogeneous dispersion
of needle-like TiB precipitates is formed in the Ti-6A... | null | null | null | null | null | null |
['Brooks, J.', 'Robino, C.', 'Headley, T.', 'Goods, S.', 'Griffith, M.'] | 2019-03-15T16:22:33Z | 2019-03-15T16:22:33Z | 1999 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73688', 'http://dx.doi.org/10.26153/tsw/830'] | eng | 1999 International Solid Freeform Fabrication Symposium | Open | ['LENS', 'metallurgical'] | Microstructure and Property Optimization of LENS Deposited H13 Tool Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/37e93221-1903-4fc6-bb22-7cfca933e612/download | null | Direct laser metal deposition is a means of near net shape processing that offers a number
of advantages including rapid prototyping and small lot production. With the LENS (Laser
Engineered Net Shape) process [Ref 1], parts are fabricated by creating a laser melted pool into
which particles are injected. Fabrication p... | null | null | null | null | null | null |
Kumar, S. | 2020-03-10T17:41:21Z | 2020-03-10T17:41:21Z | 9/10/08 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80239', 'http://dx.doi.org/10.26153/tsw/7258'] | eng | 2008 International Solid Freeform Fabrication Symposium | Open | Selective Laser Melting | Microstructure and Wear of SLM Materials | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9cdb31de-3ee1-47a9-8ab1-104bb15eb2da/download | null | null | null | null | null | null | null | null |
['Murr, L.E.', 'Gaytan, S.M.', 'Ramirez, D.A.', 'Martinez, E.', 'Martinez, J.L.', 'Hernandez, D.H.', 'Machado, B.I.', 'Medina, F.', 'Wicker, R.B.'] | 2021-09-30T14:53:02Z | 2021-09-30T14:53:02Z | 9/23/10 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88260', 'http://dx.doi.org/10.26153/tsw/15201'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['materials with controlled microstructural architecture', 'microstructure architecture development', 'additive manufacturing', 'electron beam melting', 'metals', 'alloys', 'solid free-form fabrication'] | Microstructure Architecture Development in Metals and Alloys By Additive Manufacturing Using Electron Beam Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fe50d5bc-4f2b-439a-9089-441921509690/download | University of Texas at Austin | The concept of materials with controlled microstructural architecture (MCMA) to
develop and fabricate structural materials with novel and possibly superior properties and
performance characteristics is a new paradigm or paradigm extension for materials science and
engineering. In the conventional materials science and ... | null | null | null | null | null | null |
['Li, Xiaoxuan', 'Wang, Jiwen', 'Augustine, Alvin', 'Shaw, Leon L.', 'Marcus, Harris L.'] | 2019-10-10T17:08:49Z | 2019-10-10T17:08:49Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76174', 'http://dx.doi.org/10.26153/tsw/3263'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | ['De', 'Densification'] | Microstructure Evaluation for Laser Densification of Dental Porcelains | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6f46b07e-c857-4984-8778-d8e603c43751/download | null | The feasibility of dental restorations has been investigated using a multi-materials laser
densification (MMLD) process, where dental alloy and porcelain powders are laser densified layer
by layer to form solid bodies. The present study focuses on the densification behavior of dental
porcelain powders in response to a ... | null | null | null | null | null | null |
['Avateffazeli, Maryam', 'Khan, Md Faysal', 'Shamsaei, Nima', 'Haghshenas, Meysam'] | 2023-01-23T13:56:51Z | 2023-01-23T13:56:51Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117278', 'http://dx.doi.org/10.26153/tsw/44159'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['A205', 'Al-Cu-Mg-Ag-TiB2', 'laser powder bed fusion', 'fatigue', 'T7 aging'] | Microstructure, Mechanical, and Fatigue Properties of a Laser Powder Bed Fused Al-Cu-Mg-Ag-Ti-B (A205) Alloy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/879d1293-5a77-4fd3-8d08-c1dc4bc7df78/download | null | This paper aims at assessing the effect of heat treatment on fatigue behavior of a novel
laser-powder-bed-fusion (L-PBF) fabricated Al-Cu-Mg-Ag-Ti-B alloy, known as A205. To this
end, L-PBF samples were heat-treated including (i) stress-relieving, and (ii) T7 stabilizing over-
aging. Upon printing and post-heat treat... | null | null | null | null | null | null |
['Zimbeck, Walter', 'Pope, Matthew', 'Rice, R.W.'] | 2018-11-14T20:49:15Z | 2018-11-14T20:49:15Z | 1996 | Mechanical Engineering | doi:10.15781/T24M91W7C | http://hdl.handle.net/2152/70265 | eng | 1996 International Solid Freeform Fabrication Symposium | Open | ['UV flood lamp', '3D printing', 'SFF'] | Microstructures and Strengths of Metals and Ceramics made by Photopolymerbased Rapid Prototyping | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0bd8cbd7-647c-4a60-b324-00eadb1a0a33/download | null | Metal and ceramic flexure specimens were fabricated using a photopolymer-based rapid
prototyping technique. Photosensitive resins (inks) were produced by dispersing 50 - 55 vol%
metal or ceramic powders in a photopolymer resin. Laminates 0.2" thick were built up by repeated
application oflayers 3 - 10 mils thick follow... | null | null | null | null | null | null |
['Buls, Sam', 'Vleugels, Jef', 'Van Hooreweder, Brecht'] | 2021-11-16T15:08:23Z | 2021-11-16T15:08:23Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90307', 'http://dx.doi.org/10.26153/tsw/17228'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['technical ceramics', 'ceramics', 'direct processing', 'microwave assisted selective laser melting'] | Microwave Assisted Selective Laser Melting of Technical Ceramics | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a047b73f-844e-44b4-8992-7a35c8f33700/download | University of Texas at Austin | Direct processing of near fully dense technical ceramics is not possible with conventional additive
manufacturing (AM) processes due to the very high temperatures that are required. Therefore, indirect AM
approaches are often used. These indirect processes show great potential but require extensive post processing
(e.g... | null | null | null | null | null | null |
['Clark, N.', 'Lacan, F.', 'Porch, A.'] | 2021-11-02T18:27:59Z | 2021-11-02T18:27:59Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89860 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['microwave', 'nylon', 'perturbation', 'permittivity', 'powder', 'polyamide', 'laser sintering'] | Microwave Measurements of Nylon-12 Powder Ageing for Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/93b2b36e-6c53-48ea-888d-f66f325f81b3/download | University of Texas at Austin | With repeated recycling, nylon powders used in Selective Laser Sintering are known to
degrade and ultimately cause mechanical performance and surface finish deterioration in produced
parts. In order to maintain consistent production and to reduce cost by minimising waste powder,
it is desirable to monitor this degradat... | null | null | null | null | null | null |
['Krishnanand, L.', 'Manmadhachary, A.', 'Ravi Kumar, Y.'] | 2021-10-18T20:58:05Z | 2021-10-18T20:58:05Z | 2014 | Mechanical Engineering | null | https://hdl.handle.net/2152/89244 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['CT', 'partial volume effect', 'volumetric error', 'CT image construction', 'ANOVA'] | Minimization of Volumetric Errors in CAD Medical Models Using 64 Slice Spiral CT Scanner | Conference paper | https://repositories.lib.utexas.edu//bitstreams/845fb874-dfeb-4c5c-9e7e-121d89a70d44/download | University of Texas at Austin | Sixty four slice spiral Computed Tomography (CT) scanner is one of the advanced CT
scanners to capture the large volume of tissues and improved longitudinal resolution. The CT
images are used to develop a 3-Dimensional (3D) Computer Aided Design (CAD) medical
model. While developing a 3D CAD medical model volumetric er... | null | null | null | null | null | null |
['Chan, C K', 'Tan, S T'] | 2019-03-12T16:13:52Z | 2019-03-12T16:13:52Z | 1999 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73594', 'http://dx.doi.org/10.26153/tsw/736'] | eng | 1999 International Solid Freeform Fabrication Symposium | Open | ['bounding box', 'iterative method'] | A Minimum Bounding Box Algorithm and its Application to Rapid Prototyping | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6e6ef6c2-b191-4947-b32e-dc46d5f49bb6/download | null | This paper describes a method for determining the minimum bounding box of an
arbitrary solid. The method simplifies the complex three-dimensional problem by projecting
the solid onto the three principal planes and makes use ofthe projected contours for analysis.
The orientations of the contours are determined by rotati... | null | null | null | null | null | null |
['Grant, Lynnora O.', 'Alameen, Magdi B.', 'Carazzone, J. Reid', 'Higgs, C. Fred III', 'Cordero, Zachary C.'] | 2021-11-09T14:42:05Z | 2021-11-09T14:42:05Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90083', 'http://dx.doi.org/10.26153/tsw/17004'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['laser sintering', 'binder jetting', 'reactive binder', 'distortion', '3D printing', 'ceramics'] | Mitigating Distortion During Sintering of Binder Jet Printed Ceramics | Conference paper | https://repositories.lib.utexas.edu//bitstreams/915136a3-3415-4297-ba94-0f24787c9418/download | University of Texas at Austin | Sintering increases the strength of binder jet 3D printed green bodies through densification,
but with the potential cost of distortion due to creep. In this work, we determine how a reactive
binder affects such distortion during sintering of titanium dioxide green bodies. The binder
decomposes to form nanocrystalline ... | null | null | null | null | null | null |
['Marques, Lucas Galvan', 'Williams, Robert Austin', 'Zhou, Wenchao'] | 2021-11-04T14:41:46Z | 2021-11-04T14:41:46Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89972 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['mobile 3D printer', 'filament extrusion printhead', 'Internet', 'cooperative 3D printing'] | A Mobile 3D Printer for Cooperative 3D Printing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2c0501ab-203a-4e74-b19d-63e3b7c7460b/download | University of Texas at Austin | Cooperative 3D printing is an emerging technology that aims to provide scalability to 3D
printing by enabling thousands of printhead-carrying mobile robots to cooperate on a single
printing job and to integrate pre-manufactured components during the 3D printing process.
At the core of the cooperative 3D printing platfo... | null | null | null | null | null | null |
['Asiabanpour, B.', 'Um, D.', 'Sriraman, V.', 'Tseng, A.', 'Mata, J.', 'Wahed, N.'] | 2020-02-20T19:23:47Z | 2020-02-20T19:23:47Z | 8/23/05 | Mechanical Engineering | null | https://hdl.handle.net/2152/80041 | eng | 2005 International Solid Freeform Fabrication Symposium | Open | Mobile Paving System | Mobile Paving System (MPS): A New Large Scale Freeform Fabrication Method | Conference paper | https://repositories.lib.utexas.edu//bitstreams/071942f4-ab67-4a91-84e9-c2822b0ff62d/download | null | In the last decade, significant opportunities for automation have been identified in the area of
construction. Soaring labor and material costs have driven multiple research efforts in
construction automation. In this paper, we present a novel means for construction automation
that involves the fusion of the rapid prot... | null | null | null | null | null | null |
['Steck, Jason', 'Morales-Ortega, Rolando', 'Currence, Jacob', 'Zhou, Wenchao'] | 2021-11-08T22:48:24Z | 2021-11-08T22:48:24Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90063', 'http://dx.doi.org/10.26153/tsw/16984'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'cooperative 3D printing', 'robot gripper', 'hybrid production'] | A Mobile Robot Gripper for Cooperative 3D Printing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e9805dc4-ced4-4c09-b1ba-2ef94b14dcc8/download | University of Texas at Austin | Cooperative 3D printing is an emerging technology that aims to overcome several limitations of
contemporary 3D printing (e.g., print size, cost, complexity) by allowing multiple mobile 3D
printers (or printhead-carrying mobile robots) to work simultaneously on a single print job. In
particular, one challenge of 3D prin... | null | null | null | null | null | null |
['Pribe, Joshua D.', 'West, Brian M.', 'Gegel, Michelle L.', 'Hartwig, Troy', 'Lunn, Toby', 'Brown, Ben', 'Bristow, Douglas A.', 'Landers, Robert G.', 'Kinzel, Edward C.'] | 2021-10-26T18:13:52Z | 2021-10-26T18:13:52Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89547 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['modal response', 'validation technique', 'metal parts', 'selective laser melting', 'frequency response function', 'FRF'] | Modal Response as a Validation Technique for Metal Parts Fabricated with Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6129fd15-cc52-46d3-b18c-24c72ce385c1/download | University of Texas at Austin | This paper investigates modal analysis as a validation technique for additively manufactured parts. The Frequency Response Function (FRF) is dependent on both the geometry and the
material properties of the part as well as the presence of any defects. This allows the FRF to serve
as a “fingerprint” for a given part of ... | null | null | null | null | null | null |
['Chahal, Vedant', 'Taylor, Robert M.'] | 2021-11-09T19:46:34Z | 2021-11-09T19:46:34Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90144', 'http://dx.doi.org/10.26153/tsw/17065'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['residual stress', 'maraging steel 300', 'model development', 'laser metal 3D printing', 'selective laser melting', 'design of experiments'] | Model Development for Residual Stress Consideration in Design for Laser Metal 3D Printing of Maraging Steel 300 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/eda19017-2fd2-4e9f-9a5b-33ebdbaee331/download | University of Texas at Austin | Design optimization of laser metal 3D printed structural components requires prediction of
build-process induced residual stresses that vary with part geometry and affect distortion and support requirements during the build. Finite element residual stress state evaluation is not feasible
within the computational constr... | null | null | null | null | null | null |
['Dwivedi, Rajeev', 'Zekovic, Srdja', 'Kovacevic, Radovan'] | 2020-02-24T14:56:38Z | 2020-02-24T14:56:38Z | 8/26/05 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80076', 'http://dx.doi.org/10.26153/tsw/7097'] | eng | 2005 International Solid Freeform Fabrication Symposium | Open | Solid Freeform Fabrication | A Model for Error Propagation in the Surface Profile for Solid Freeform Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/60d45401-1f0c-4cbe-b33e-05f57bfc84b0/download | null | null | null | null | null | null | null | null |
['Sun, Ming-shen', 'Nelson, Christian', 'Beaman, Joseph J.', 'Barlow, Joel J.'] | 2018-04-12T18:22:09Z | 2018-04-12T18:22:09Z | 1991 | Mechanical Engineering | doi:10.15781/T29W09G38 | http://hdl.handle.net/2152/64279 | eng | 1991 International Solid Freeform Fabrication Symposium | Open | ['Powder bed', "Frenkel's model", 'SSL'] | A Model for Partial Viscous Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5bfa0356-d008-4cd1-8332-67a5d0f3b3d9/download | null | A mathematical model describing the sintering rate of a viscous material powder
bed is presented. This model assumes that the powder bed is composed of cubic
packed, equal-size spherical particles. The sintering rate equation is derived in
terms of a unit cell dimension or the relative density of a powder bed. A
mathem... | null | null | null | null | null | null |
['Watanabe, N.', 'Shofner, M.L.', 'Treat, N.', 'Rosen, D.W.'] | 2021-11-01T22:50:36Z | 2021-11-01T22:50:36Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89788 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['residual stress', 'part warpage', 'polypropylene', 'material extrusion'] | A Model for Residual Stress and Part Warpage Prediction in Material Extrusion with Application to Polypropylene | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3af82ce8-1e6e-44ad-8b85-b769385adbcb/download | University of Texas at Austin | The layer-by-layer fabrication procedure causes residual stresses to accumulate due to the
repetition of heating and cooling during the material extrusion process. In this study, residual
stress and part warpage of a polypropylene copolymer are investigated. The effects of adjusting
process variable settings, such as d... | null | null | null | null | null | null |
['Sui, Chao', 'Zhou, Wenchao'] | 2023-01-27T14:18:15Z | 2023-01-27T14:18:15Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117337', 'http://dx.doi.org/10.26153/tsw/44218'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['piezo inkjet', 'printing speed', 'drop-on-demand (DOD)', 'driving signal', 'model'] | A Model for the Effects of Driving Signal on Piezoelectric Inkjet Printing Speed | Conference paper | https://repositories.lib.utexas.edu//bitstreams/085fe5dd-7d67-4bf3-b4ed-669263dc7aa0/download | null | Piezo drop-on-demand (DOD) inkjet is a non-contact and direct forming technique for
pattern fabrication, which has been widely used in additive manufacturing and other
industrial applications. It is known that the ink properties and the waveform of the driving
signal play a significant role in droplet ejection behav... | null | null | null | null | null | null |
['Das, Suman', 'Chung, Haseung'] | 2019-10-18T15:28:40Z | 2019-10-18T15:28:40Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76239', 'http://dx.doi.org/10.26153/tsw/3328'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Sintering | A Model of Laser-Powder Interaction in Direct Selective Laser Sintering of Metals | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b50adf57-fc89-4de0-a681-27d73a793839/download | null | We present a simple one-dimensional model that describes the physical mechanisms of
heat transfer, melting and resolidification taking place during and after the interaction of a laser
beam with a bed of pure metal powder. The physical model describing this situation is based on
the classical Stefan problem with approp... | null | null | null | null | null | null |
['Klosterman, Donald', 'Chartoff, Richard', 'Flach, Lawrance', 'Bryant, Eric'] | 2019-09-23T16:49:50Z | 2019-09-23T16:49:50Z | 2000 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/75967', 'http://dx.doi.org/10.26153/tsw/3066'] | eng | 2000 International Solid Freeform Fabrication Symposium | Open | Fabrication | Model-Based Control of Cure Distribution in Polymer Composite Parts Made by Laminated Object Fabrication (LOF) 409 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fd4471c3-4bbf-408a-bd0a-0b818e0c33c7/download | null | A mathematical heat transfer model was used to investigate process control strategies for making thermoset polymer composite materials by Laminated Object Fabrication (LOF). The temperature of the laminator was manipulated in order to control the uniformity and overall level of cure through the thickness of a 20-layer ... | null | null | null | null | null | null |
['Mignatti, M.A.', 'Campbell, M.I.', 'Ruizpalacios, R.', 'Wood, K.L.', 'Beaman, J.J.'] | 2019-11-21T18:19:21Z | 2019-11-21T18:19:21Z | 2003 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78555', 'http://dx.doi.org/10.26153/tsw/5611'] | eng | 2003 International Solid Freeform Fabrication Symposium | Open | Direct-Write | Modeling and Characterization of a Novel, Low-Cost, Direct-Write Waveguide | Conference paper | https://repositories.lib.utexas.edu//bitstreams/69808ec2-00d6-4485-9e3b-9257373a55fe/download | null | Both the current long-term telecommunication trends toward optical networking and the
recent growth in information bandwidth have pushed the necessity for improved optical
communications. Our fabrication approach, which leverages our expertise in solid
freeform fabrication in conjunction with sol-gel technology, has ad... | null | null | null | null | null | null |
['Basak, Amrita', 'Acharya, Ranadip', 'Das, Suman'] | 2021-10-21T18:09:07Z | 2021-10-21T18:09:07Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89414 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['microstructure evolution', 'single-crystal alloys', 'scanning laser epitaxy'] | Modeling and Characterization of Microstructure Evolution in Single-Crystal Superalloys Processed through Scanning Laser Epitaxy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/33ee570e-19fc-41a8-b58b-3bd91baefadb/download | University of Texas at Austin | This paper focuses on microstructure evolution in single-crystal alloys processed through
scanning laser epitaxy (SLE); a metal powder-bed based additive manufacturing technology
aimed at the creation of equiaxed, directionally-solidified or single-crystal structures in nickel-base superalloys. Galvanometer-controlled ... | This work is sponsored by the Office of Naval Research
through grants N00014-11-1-0670 and N00014-14-1-0658. | null | null | null | null | null |
['Subedi, Saroj', 'Ware, Henry Oliver Tenadooah'] | 2024-03-26T17:14:21Z | 2024-03-26T17:14:21Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124381', 'https://doi.org/10.26153/tsw/50989'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['digital light processing', 'illumination', 'wavelength', 'additive manufacturing'] | MODELING AND CORRECTING ILLUMINATION INHOMOGENEITY OVER MULTIPLE DLP ILLUMINATION INTENSITIES FOR BETTER FABRICATION ACCURACY | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6e392d72-d9ec-4368-b34f-217a6a98569d/download | University of Texas at Austin | Within custom Digital Light Processing (DLP) systems, various small issues either in the
optical assembly or with the DMD can lead to non-uniform illumination at the curing interface.
This inhomogeneity leads to inaccurate dimensions of fabricated features over the full print area.
To remedy this in our system, we have... | null | null | null | null | null | null |
['Jackson, Todd R.', 'Patrikalakis, Nicholas M.', 'Sachs, Emanuel M.', 'Cima, Michael J.'] | 2019-02-20T17:21:31Z | 2019-02-20T17:21:31Z | 1998 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73455', 'http://dx.doi.org/10.26153/tsw/607'] | eng | 1998 International Solid Freeform Fabrication Symposium | Open | ['LCC', '3D Printing'] | Modeling and Designing Components with Locally Controlled Composition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c5234484-6f7d-4741-859b-88909baa9bd0/download | null | SFF processes have demonstrated the ability to produce parts with locally controlled
composition. In the limit, processes such as 3D Printing,cancreate parts with composition
control on thelength scaleiof 100 microns.ToexploitthispC)tential,~e\\ZJnethodsto rnod~l,
exchange, and process parts.with local composition need... | null | null | null | null | null | null |
['Li, W.', 'Zhang, J.W.', 'Karnati, S.', 'Zhang, Y.L.', 'Liou, F.', 'Newkirk, J.', 'Taminger, K.M.B.', 'Seufzer, W.L.'] | 2021-10-26T18:58:45Z | 2021-10-26T18:58:45Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89556 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['functionally gradient material', 'pre-mixed multi-powder', 'FGM composition', 'numerical modeling'] | Modeling and Experimental Investigation of Pre-Mixed Multi-Powder Flow in Fabricating Functional Gradient Material by Laser Metal Deposition Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f8580f8a-ef50-4852-8495-1bd4e9fa4fe1/download | University of Texas at Austin | Laser Metal Deposition (LMD) is an effective process to fabricate Functionally Gradient
Material (FGM) from pre-mixed powders. Since the supplied multi-powder directly affects the
deposited FGM’s composition, investigation on Pre-Mixed Multi-Powder (PMMP) flow during
LMD is greatly needed. This paper presents a compreh... | null | null | null | null | null | null |
['Bryant, Frances D.', 'Leu, Ming C.'] | 2021-09-23T21:52:31Z | 2021-09-23T21:52:31Z | 9/10/08 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88031', 'http://dx.doi.org/10.26153/tsw/14972'] | eng | 2008 International Solid Freeform Fabrication Symposium | Open | ['Rapid Freeze Prototyping', 'support material', 'mechanical engineering'] | Modeling and Experimental Results of Concentration with Support Material in Rapid Freeze Prototyping | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7096937e-43f1-496d-909d-66d0d95d36df/download | null | Ice structures with complex geometries and overhung areas are created by the Rapid
Freeze Prototyping (RFP) process in a sufficiently cool environment by freezing water into ice as
the main material in conjunction with a eutectic dextrose-water solution as the sacrificial support
material. The supported areas in an ... | null | null | null | null | null | null |
['Anam, Md Ashabul', 'Pal, Deepankar', 'Stucker, Brent'] | 2021-10-11T20:38:21Z | 2021-10-11T20:38:21Z | 2013 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88636', 'http://dx.doi.org/10.26153/tsw/15570'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Melting', 'Inconel 625', 'nickel-based superalloy', 'process parameters', 'dislocation density based crystal plasticity finite element model'] | Modeling and Experimental Validation of Nickel-based Super Alloy (Inconel 625) Made Using Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/80e87820-175a-47ae-94a3-71d6d98e880a/download | University of Texas at Austin | The formation of constituent phases in Selective Laser Melting of Inconel 625 is a function of
local temperatures, hold times at those temperatures, local cooling rates and local compositions
in the melt pool. These variables are directly correlated with input process parameters such as
beam power, scan speed, hatch sp... | null | null | null | null | null | null |
['Huang, Pu', 'Deng, Dongping', 'Chen, Yong'] | 2021-10-07T17:43:49Z | 2021-10-07T17:43:49Z | 2013 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88492', 'http://dx.doi.org/10.26153/tsw/15426'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['heterogeneous object', 'material design', 'stereolithography', 'functional grading material', 'process planning'] | Modeling and Fabrication of Heterogeneous Three-Dimensional Objects Based on Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b8348412-bf5e-4f47-a693-f7d6e427b5fc/download | University of Texas at Austin | Heterogeneous object modeling and fabrication has been studied in the past few decades. Recently the
idea of digital materials has been demonstrated by using Additive Manufacturing (AM) processes. Our
previous study illustrated that the mask-image-projection based Stereolithography (MIP-SL) process is
promising in fabr... | null | null | null | null | null | null |
['Liou, Frank', 'Fan, Zhiqiang', 'Pan, Heng', 'Slattery, Kevin', 'Kinsella, Mary', 'Newkirk, Joseph', 'Chou, Hsin-Nan'] | 2020-03-09T14:42:52Z | 2020-03-09T14:42:52Z | 9/4/07 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80188', 'http://dx.doi.org/10.26153/tsw/7207'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | direct laser deposition | Modeling and Simulation of a Laser Deposition Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c63c2bd5-44f2-40f3-87f6-37bc95d697f7/download | null | A laser deposition process involves the supply of metallic powders into a laser-heated spot where
the powder is melted and forms a melt puddle which quickly solidifies into a bead. In order to
design an effective system, the laser beam, the powder beam, and their interactions need to be
fully understood. In this paper,... | null | null | null | null | null | null |
['Bryant, Frances D.', 'Leu, Ming C.'] | 2020-03-09T14:53:10Z | 2020-03-09T14:53:10Z | 9/4/07 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80190', 'http://dx.doi.org/10.26153/tsw/7209'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | ['Rapid Freeze Prototyping', 'solid freeform fabrication process'] | Modeling and Validation of Temperature and Concentration for Rapid Freeze Prototyping | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7abe8d9e-ad94-418a-aeee-d9a6e46229e8/download | null | Rapid Freeze Prototyping is a solid freeform fabrication process that uses water as the main build
material in a cold environment to create three-dimensional parts. A eutectic sugar-water solution
(C6H12O6 – H2O) has been used as a sacrificial material in order to create complex 3D parts with
features such as overhangs... | null | null | null | null | null | null |
['Dwivedi, Rajeev', 'Zekovic, Srdja', 'Kovacevic, Radovan'] | 2020-03-02T15:42:12Z | 2020-03-02T15:42:12Z | 9/14/06 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80137', 'http://dx.doi.org/10.26153/tsw/7158'] | eng | 2006 International Solid Freeform Fabrication Symposium | Open | SolidFreeform-Fabrication | Modeling and Verification of Error Propagation in Integrated Additive/Subtractive Multi-Directional Direct Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/014eb756-d0af-4bd9-a0ea-ecebf26c3a44/download | null | Integrated additive-subtractive manufacturing, when applied in the framework of SolidFreeform-Fabrication (SFF) allows the fabrication of functional parts on single platform, directly from its computer model. Reduction in process complexity and total processing steps is
ensured by multi-directional material deposition ... | null | null | null | null | null | null |
['Pierce, Jason B.', 'Smith, Douglas E.'] | 2024-03-26T17:16:28Z | 2024-03-26T17:16:28Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124382', 'https://doi.org/10.26153/tsw/50990'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['computational fluid dynamics', 'discrete element modeling', 'carbon fiber', 'suspension dynamics', 'additive manufacturing'] | MODELING CARBON FIBER SUSPENSION DYNAMICS FOR ADDITIVE MANUFACTURING POLYMER MELT FLOWS | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9fe49a38-cd58-4d1b-b5cb-fb2edc2209e9/download | University of Texas at Austin | The addition of short carbon fibers to the feedstock of large-scale polymer
extrusion/deposition additive manufacturing results in significant increases in mechanical
properties dependent on the fiber distribution and orientation in the beads. In order to analyze those
factors, a coupled computational fluid dynamics (C... | null | null | null | null | null | null |
['Jariwala, Amit S.', 'Ding, Fei', 'Boddapati, Aparna', 'Breedveld, Victor', 'Grover, Martha', 'Henderson, Clifford L.', 'Rosen, David W.'] | 2021-09-30T18:43:27Z | 2021-09-30T18:43:27Z | 9/23/10 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88275', 'http://dx.doi.org/10.26153/tsw/15216'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['stereolithography', 'additive manufacturing', '2D photopolymerization model', 'oxygen inhibition', 'oxygen diffusion'] | Modeling Effects of Oxygen Inhibition in Mask Based Stereolithography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/33e36670-4d7a-4512-b786-6ddf97505cf2/download | University of Texas at Austin | Stereolithography (SL) is an additive manufacturing process in which liquid
photopolymer resin is cross-linked and converted to solid with a UV laser light source.
Traditional models of SL processes do not consider the complex chemical reactions and species
transport occurring during photopolymerization and, hence, are... | null | null | null | null | null | null |
['Boddu, Mallikharjuna R.', 'Thayalan, Vishnu P.', 'Landers, Robert G.'] | 2019-11-20T16:10:48Z | 2019-11-20T16:10:48Z | 2003 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78467', 'http://dx.doi.org/10.26153/tsw/5552'] | eng | 2003 International Solid Freeform Fabrication Symposium | Open | Aided Manufacturing | Modeling for the Control of the Laser Aided Manufacturing Process(LAMP) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3f60edb1-7bfd-4c03-9c56-f46aad902bf3/download | null | Many state–of–the–art Rapid Prototyping (RP) technologies adopt lasers to fabricate 3–D solid
parts by material deposition in layers. The ability of these RP technologies to control the process
requires a thorough understanding of the process mechanics. This paper presents the analysis of
an analytical, dynamic model e... | The authors gratefully acknowledge the financial support of the National Science Foundation
(DMI–9871185), Society of Manufacturing Engineers (#02022–A), Missouri Research Board,
and UMR’s Intelligent Systems Center. | null | null | null | null | null |
['Wu, Yan', 'Yang, Li'] | 2021-11-04T19:21:43Z | 2021-11-04T19:21:43Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90008', 'http://dx.doi.org/10.26153/16929'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['2D lattice structures', 'unit cell', 'deformation', 'fracture behavior', 'crack propagation', 'additive manufacturing'] | Modeling of Crack Propagation in 2D Brittle Finite Lattice Structures Assisted by Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2600499f-969f-40ea-8411-50a8d24a9079/download | University of Texas at Austin | The failure characteristics of lattice structures are of significant importance in various
lightweight applications such as aerospace and biomedicine. In this study, several 2D lattice
structures with different number of unit cells that represent different geometrical characteristics
and deformation mechanisms were inv... | null | null | null | null | null | null |
['Turner, Irem Y.', 'Wood, Kristin L.', 'Busch-Vishniac, Ilene J.'] | 2018-11-08T15:03:25Z | 2018-11-08T15:03:25Z | 1995 | Mechanical Engineering | doi:10.15781/T2RB6WN2V | http://hdl.handle.net/2152/69881 | eng | 1995 International Solid Freeform Fabrication Symposium | Open | ['SLS', 'Modeling and Simulation', 'iron-galvanometer'] | Modeling of Dynamic Effects Caused by the Beam Delivery System in Selective Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c55470b8-799f-4ff3-9568-4ef56523a11f/download | null | In this work, the machine dynamic response in Selective Laser Sintering is investigated with
the purpose of determining the causes of scanning errors. Machine subcomponents are first
investigated to determine their potential effects on the laser beam positional accuracy. The
dynamics of the laser beam delivery system a... | null | null | null | null | null | null |
['Kim, Dong Sung', 'Suriboot, Jakkrit', 'Grunlan, Melissa', 'Tai, Bruce L.'] | 2021-11-04T15:01:10Z | 2021-11-04T15:01:10Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89979 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'silicone 3D printing', 'low one-photon polymerization'] | Modeling of Low One-Photon Polymerization for 3D Printing of UV-Curable Silicones | Conference paper | https://repositories.lib.utexas.edu//bitstreams/293a0e67-a471-487e-8347-ecb221100021/download | University of Texas at Austin | Low-one photon polymerization (LOPP) enables an in-liquid curing to suspend a soft
silicone object in the vat without mechanical disturbance. LOPP requires a low-absorbance
wavelength and a great gradient light beam to achieve the desired curing. To further control the
process for 3D printing, this research aims to mod... | null | null | null | null | null | null |
['Wu, Zhanping', 'Ogale, Amod A.', 'Ahzi, Said', 'Paul, Frank W.', 'Hunt, Elaine'] | 2018-12-07T17:15:46Z | 2018-12-07T17:15:46Z | 1997 | Mechanical Engineering | doi:10.15781/T23776F87 | http://hdl.handle.net/2152/71453 | eng | 1997 International Solid Freeform Fabrication Symposium | Open | ['rapid prototypes', 'manufacturing'] | Modeling of Mechanical Behavior of SLA Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/90553b9f-a9bf-4105-8bc9-f67fcdfc0ecb/download | null | In recent years, important efforts have been focused on producing functional parts using
Stereolithography Apparatus ( SLA ). One of the applications is the development of rapid
polymer tooling such as dies for injection molding. For these applications, optimal thermal as
well as mechanical properties are of significan... | null | null | null | null | null | null |
['Vail, N.K.', 'Barlow, J.W.'] | 2018-10-03T18:35:54Z | 2018-10-03T18:35:54Z | 1994 | Mechanical Engineering | doi:10.15781/T2930PD6F | http://hdl.handle.net/2152/68675 | eng | 1994 International Solid Freeform Fabrication Symposium | Open | ['SLS', 'green composites', 'polymer binder materials'] | Modeling of Polymer Degradation in SLS | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7df24bd2-6331-4d61-a601-06c18f1ed63e/download | null | A simple computer model has been developed to predict the thermal
degradation of polymer binders used in the fabrication of composite
green shapes from high temperature ceramic materials.
Decomposition rate kinetics of the polymer materials were
determined and incorporated into the model. The polymer
degradation occurr... | null | null | null | null | null | null |
['Flood, Aaron', 'Liou, Frank'] | 2021-10-21T16:59:26Z | 2021-10-21T16:59:26Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89406 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['powder bed processing', 'powder bed', 'Discrete Element Method', 'Geometric Method'] | Modeling of Powder Bed Processing – A Review | Conference paper | https://repositories.lib.utexas.edu//bitstreams/38c35c84-2e49-4d2f-9e99-d9179de341a8/download | University of Texas at Austin | Many models have been developed to model powder beds and these methods can be
implemented to model a powder bed for Selective Laser Sintering, Selective Laser Melting and
any other technique of additive manufacturing which uses powder beds. Two of the main
systems are the Discrete Element Method (DEM) and the Geometric... | null | null | null | null | null | null |
['Mendez, Patricio', 'Brown, Stuart'] | 2018-10-03T16:03:32Z | 2018-10-03T16:03:32Z | 1994 | Mechanical Engineering | doi:10.15781/T2GQ6RM7G | http://hdl.handle.net/2152/68658 | eng | 1994 International Solid Freeform Fabrication Symposium | Open | ['selective laser sintering', 'model', 'thermal'] | Modeling of Selected SFF Process Limits | Conference paper | https://repositories.lib.utexas.edu//bitstreams/74717653-2585-4b16-8ba9-5a3d5d75242c/download | null | An analytical model of the thermal field for one scan line during SLS is developed. Quantitative relationships
between net heat input and beam velocity are stated for sintering at a given distance from the center
of the beam and for the case of maximum surface temperature. For the maximum surface temperature, two
extre... | null | null | null | null | null | null |
['Jacquot, Y.', 'Zong, S.', 'Marcus, H.L.'] | 2018-04-10T17:25:23Z | 2018-04-10T17:25:23Z | 1990 | Mechanical Engineering | doi:10.15781/T2ZS2KW7H | http://hdl.handle.net/2152/64240 | eng | 1990 International Solid Freeform Fabrication Symposium | Open | ['Center for Materials Science and Engineering', 'SFF', 'SALD', 'selective area laser deposition'] | Modeling of Selective Area Laser Deposition for Solid Freeform fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a8abd8cf-12f7-4376-b2cd-597af851c2ed/download | null | The results of a theoretical study of the selective area laser deposition process used for Solid
Freeform Fabrication (SFF) from gas phase is presented. We show how the deposition profile of
carbon deposited via pyrolytic laser chemical vapor deposition using acetylene as the source gas
can be computed by taking into a... | null | null | null | null | null | null |
['Dai, K.', 'Crocker, J.', 'Shaw, L.', 'Marcus, H.'] | 2019-10-18T15:42:26Z | 2019-10-18T15:42:26Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76243', 'http://dx.doi.org/10.26153/tsw/3332'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Deposition | Modeling of Selective Area Laser Deposition Vapor Infiltration (SALDVI) of Silicon Carbide | Conference paper | https://repositories.lib.utexas.edu//bitstreams/67e87486-9a13-40ac-a04a-bb476f6dae4b/download | null | Selective Area Laser Deposition Vapor Infiltration (SALDVI) is a developing
solid freeform fabrication (SFF) technique in which porous layers of powder are
densified by infiltrating the pore spaces with solid material deposited from a gas
precursor during laser heating. A 3D finite element model was developed that simu... | null | null | null | null | null | null |
['Pan, Heng', 'Liou, Frank'] | 2020-02-14T16:23:16Z | 2020-02-14T16:23:16Z | 2004 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/79993', 'http://dx.doi.org/10.26153/tsw/7018'] | eng | 2004 International Solid Freeform Fabrication Symposium | Open | direct laser deposition process | Modeling of the Metal Powder Flow with Carrier Gas in Coaxial Nozzle for Direct Laser Deposition Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4ed514ee-746b-4cb6-add4-3f7cee8da850/download | null | In direct laser deposition process, metal powder is directly fed with carrier gas
through the coaxial nozzle into the melt pool created by the laser to form the solid parts.
Many operational parameters of the process depend on the characteristic of the powder
stream structure below the exit of the coaxial nozzle. In th... | null | null | null | null | null | null |
['Bai, X.W.', 'Zhang, H.O.', 'Wang, G.I.'] | 2021-10-18T21:29:29Z | 2021-10-18T21:29:29Z | 2014 | Mechanical Engineering | null | https://hdl.handle.net/2152/89252 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['induction heating', 'weld-based additive manufacturing', 'residual stresses'] | Modeling on the Moving Induction Heating Used in Weld-Based Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e93b56a8-0811-4269-be4b-252a69ed6cc1/download | University of Texas at Austin | This paper numerically investigates the application induction heating in weld-based additive
manufacturing to reduce residual stresses. To avoid time-consuming transient electromagnetic calculation, the
induction heat is assumed to be constant in the arc coordinate. Thermo-electromagnetic coupling analysis is
performed... | null | null | null | null | null | null |
['Thomas, J. P.', 'Rodriguez, J. F.'] | 2019-06-13T14:07:44Z | 2019-06-13T14:07:44Z | 2000 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/74942', 'http://dx.doi.org/10.26153/tsw/2054'] | eng | 2000 International Solid Freeform Fabrication Symposium | Open | ['Fused-Deposition (FD)', 'FD-ABS'] | Modeling the Fracture Strength between Fused-Deposition Extruded Roads 16 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bc3e3f26-0cf5-4fc6-8919-29b0f1d455a1/download | null | The fracture strength developed between Fused-Deposition extruded roads is modeled in
terms of the wetting and thermally-driven diffusion bonding processes. Thermal histories at the
road-to-road interface are obtained from a heat transfer analysis and used to develop model
predictions based on reptation theory for the ... | null | null | null | null | null | null |
Soylemez, E. | 2021-11-11T16:41:00Z | 2021-11-11T16:41:00Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90242', 'http://dx.doi.org/10.26153/tsw/17163'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['finite element analysis', 'selective laser melting', 'keyhole', 'process map'] | Modeling the Melt Pool of the Laser Sintered Ti6Al4V Layers with Goldak's Double-Ellipsoidal Heat Source | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4eb85183-6308-41b1-a77a-a7d09e6c1487/download | University of Texas at Austin | Selective laser melting process has been widely studied to elucidate the effects of process
parameters (laser speed, laser power, scan strategy, hatch distance, layer thickness, etc.) on
the manufactured parts. Experimental and numerical modeling studies have been investigating
the melt pool shapes of the laser sintere... | null | null | null | null | null | null |
['Hoskins, Dylan', 'Kim, Seokpum', 'Hassen, Ahmed', 'Lindahl, John', 'Kunc, Vlastimil', 'Duty, Chad'] | 2021-11-18T17:02:23Z | 2021-11-18T17:02:23Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90429', 'http://dx.doi.org/10.26153/tsw/17350'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['coefficient of thermal expansion', 'CTE', 'non-homogenized approach', 'large area extrusion deposition additive manufacturing', 'LAEDAM'] | Modeling Thermal Expansion of a Large Area Extrusion Deposition Additively Manufactured Parts Using a Non-Homogenized Approach | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7518b6b0-45f7-486b-806c-0c86871b255b/download | University of Texas at Austin | Interest in the use of large area extrusion deposition additive manufacturing (LAEDAM) to
create tools for creation of composites is on the rise, due to its ability to create complex shapes
rapidly. To ensure the parts created from the tool meet geometric standards, it is important to
understand the thermal expansion o... | null | null | null | null | null | null |
['Li, Mingyang', 'Landers, Robert G.', 'Leu, Ming C.'] | 2021-10-06T21:21:53Z | 2021-10-06T21:21:53Z | 8/15/12 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88448', 'http://dx.doi.org/10.26153/tsw/15385'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['ceramic paste solidifcation', 'numerical simulations'] | Modeling, Analysis and Simulation of Paste Freezing in Freeze-form Extrusion Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c9fad069-d680-4248-b2de-7eaa0a05c1cf/download | University of Texas at Austin | During the freeze-form extrusion fabrication process for aqueous-based pastes, the sub-zero
temperature environment aids the part in maintaining its shape by freezing the water present in
the paste. The paste freezes very quickly when deposited on a substrate in a freezing
environment. However, as the part’s height inc... | null | null | null | null | null | null |
['Šeta, Berin', 'Mollah, Md. Tusher', 'Kumar, Vipin', 'Pokkalla, Deepak Kumar', 'Kim, Seokpum', 'Hassen, Ahmed Arabi', 'Spangenberg, Jon'] | 2023-01-26T21:37:50Z | 2023-01-26T21:37:50Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117324', 'http://dx.doi.org/10.26153/tsw/44205'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | molding | Modelling Fiber Orientation during Additive Manufacturing-Compression Molding Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/44604e13-e0f8-45ff-be64-edc945b3f225/download | null | The production of high-performance thermoplastic composites reinforced with short carbon fibers can be
achieved by a novel “additive manufacturing-compression molding” technique. An advantage of such a
combination is two-fold: controlled fiber orientation in additive manufacturing and less void content by
compressio... | null | null | null | null | null | null |
['Wu, Yan', 'Yang, Li'] | 2021-11-30T21:57:40Z | 2021-11-30T21:57:40Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90563', 'http://dx.doi.org/10.26153/tsw/17482'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['tensile fracture', 'cellular structures', 'crack propagation', 'size effect'] | Modelling for the Tensile Fracture Characteristic of Cellular Structures under Tensile Load with Size Effect | Conference paper | https://repositories.lib.utexas.edu//bitstreams/60c3a425-180a-46c5-bb3c-10d43c019146/download | University of Texas at Austin | In the unit cell-based design of cellular structures, an important issue is the effect of the
cellular pattern size (i.e. the number of unit cell numbers along different orientations) on their
mechanical properties. Among these properties, the fracture properties are of great importance
for a broad range of application... | null | null | null | null | null | null |
['Dibua, Obehi G.', 'Yuksel, Anil', 'Roy, Nilabh K.', 'Foong, Chee S.', 'Cullinan, Michael'] | 2021-11-03T20:33:23Z | 2021-11-03T20:33:23Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89925 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['nanoparticle diffusion', 'nanoparticle sintering', 'modelling', 'microscale selective laser sintering', 'μ-SLS'] | Modelling Nanoparticle Sintering in a Microscale Selective Laser Sintering Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5a530b4b-0f73-4289-afb8-2e540948faf4/download | University of Texas at Austin | An important aspect of making microscale selective laser sintering (μ-SLS) a viable
commercial process is having the ability to predict the structural properties of sintered parts. This
prediction is made possible through accurate models of the sintering process. The majority of SLS
models simulate sintering as a melti... | null | null | null | null | null | null |
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