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['Serdeczny, Marcin P.', 'Comminal, Raphaël', 'Pederson, David B.', 'Spangenberg, Jon'] | 2021-11-15T20:48:44Z | 2021-11-15T20:48:44Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90266', 'http://dx.doi.org/10.26153/tsw/17187'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['printing parameters', 'porosity', 'fused deposition modeling'] | Numerical Prediction of the Porosity of Parts Fabricated with Fused Deposition Modeling | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4ce2437d-8813-4f22-82b7-44fc8d1ae04a/download | University of Texas at Austin | In this paper, we study the effect of the printing parameters, namely the layer thickness and the strand-to-strand distance, on the porosity of components produced with Fused Deposition Modeling (FDM). The
FDM process is based on the extrusion of a melted material through a nozzle, which forms a 3D object, layer
by lay... | null | null | null | null | null | null |
['Mollah, Tusher', 'Comminal, Raphaël', 'Serdeczny, Marcin P.', 'Pederson, David B.', 'Spangenberg, Jon'] | 2021-12-07T17:29:35Z | 2021-12-07T17:29:35Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90731', 'http://dx.doi.org/10.26153/tsw/17650'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['yield stress', 'layer stability', 'viscoplastic materials', 'multilayer printing', 'numerical modeling'] | Numerical Predictions of Bottom Layer Stability in Material Extrusion Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5fbbc11a-4cd4-43aa-8890-17722ae75e73/download | University of Texas at Austin | Robocasting and 3D concrete printing are technologies that belong under the umbrella term
material extrusion additive manufacturing. These two free form fabrication methods are used to
produce 3D structures/components in materials such as ceramic pastes, thermosets, and concrete.
Common for the materials is their visco... | null | null | null | null | null | null |
['Zhou, X.M.', 'Zhang, H.O.', 'Wang, G.L.', 'Liang, L.Y.', 'Fu, Y.H.', 'Bai, X.W.', 'Wang, X.P.'] | 2021-10-19T18:15:07Z | 2021-10-19T18:15:07Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89315 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['arc based additive manufacturing', 'external longitudinal static magnetic field', 'magnetic field', 'numerical simulation'] | Numerical Simulation and Experimental Investigation of Arc Based Additive Manufacturing Assisted with External Longitudinal Static Magnetic Field | Conference paper | https://repositories.lib.utexas.edu//bitstreams/dd37dab6-a6c0-4033-95df-d392be1a7d05/download | University of Texas at Austin | This paper proposes a new arc based additive manufacturing method assisted with external longitudinal
static magnetic field. An electromagnetic coupling numerical model has been established, which consists of
droplet impingement, heat transfer and dynamics of molten pool. Comparing the simulation results between
normal... | null | null | null | null | null | null |
['Fan, Zhiqiang', 'Jambunathan, Anand', 'Sparks, Todd E.', 'Ruan, Jianzhong', 'Yang, Yu', 'Bao, Yaxin', 'Liou, Frank'] | 2020-03-02T15:44:28Z | 2020-03-02T15:44:28Z | 2006 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80138', 'http://dx.doi.org/10.26153/tsw/7159'] | eng | 2006 International Solid Freeform Fabrication Symposium | Open | Computer Aided Design | Numerical Simulation and Prediction of Dilution During Laser Deposition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fc2073a0-9057-4a1e-9f88-3c8eb4682d29/download | null | The laser additive manufacturing technique of laser deposition allows quick fabrication of
fully-dense metallic components directly from Computer Aided Design (CAD) solid models.
The applications of laser deposition include rapid prototyping, rapid tooling and part
refurbishment. The development of an accurate predicti... | null | null | null | null | null | null |
['Dai, K.', 'Klemens, P.', 'Shaw, L.'] | 2019-09-23T16:43:06Z | 2019-09-23T16:43:06Z | 2000 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/75964', 'http://dx.doi.org/10.26153/tsw/3063'] | eng | 2000 International Solid Freeform Fabrication Symposium | Open | Densification | Numerical Simulation of Bi-Materials Laser Densification 386 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1de69a30-8d1d-43e2-8116-85b47b636a3e/download | null | The dominant procedure currently used for permanent fixed prosthodontics is porcelainfused-to-metal (PFM) restoration that is a time consuming and labor intensive process. To address these shortcomings, this project will develop a solid freeform fabrication (SFF) technique for dental restoration. Thus, a dental restora... | The authors gratefully acknowledge financial support provided bythe National Science Foundation under Grant No: DMI-9908249. | null | null | null | null | null |
['Li, Mingyang', 'Tang, Lie', 'Xue, Fei', 'Landers, Robert'] | 2021-10-04T21:41:24Z | 2021-10-04T21:41:24Z | 8/17/11 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88357', 'http://dx.doi.org/10.26153/tsw/15296'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['ceramic paste extrusion', 'numerical simulation', 'non-Newtonian flow'] | Numerical Simulation of Ram Extrusion Process for Ceramic Materials | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6277c698-8e09-4e81-9672-c06a40c3c94b/download | University of Texas at Austin | The freeze–form extrusion process for aqueous–based ceramic paste is complex due to the non–
Newtonian behavior of the paste. In this paper the process is studied numerically using a
developed mathematical model. The ceramic paste viscosity is characterized by the Herschel–Bulkley model. The relationship between plunge... | null | null | null | null | null | null |
['Shimono, Yusuke', 'Oba, Mototeru', 'Nomoto, Sukeharu', 'Koizumi, Yuichiro', 'Chiba, Akihiko'] | 2021-11-03T20:39:29Z | 2021-11-03T20:39:29Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89927 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['multi-phase field method', 'soldification', 'simulation', 'titanium alloy', 'additive manufacturing', 'MPFM'] | Numerical Simulation of Solidification in Additive Manufacturing of Ti Alloy by Multi-Phase Field Method | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2ab6ba81-888f-4a86-980c-a6c4b41ad20a/download | University of Texas at Austin | The multi-phase field method (MPFM) coupled with the database of calculation of phase diagrams
(CALPHAD) is a powerful tool for simulation of solidification microstructure evolution in engineering casting
conditions. MPFM equations have been introduced assuming quasi-equilibrium at the interface. However, few
attempts ... | null | null | null | null | null | null |
['Luo, Zhibo', 'Zhao, Yaoyao Fiona'] | 2021-11-03T21:16:15Z | 2021-11-03T21:16:15Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89934 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['hybrid heat source', 'Gaussian point', 'line heat source', 'temperature field', 'powder bed fusion'] | Numerical Simulation of Temperature Fields in Powder Bed Fusion Process by Using Hybrid Heat Source Model | Conference paper | https://repositories.lib.utexas.edu//bitstreams/11ac5719-065d-4719-9042-24cb348af682/download | University of Texas at Austin | Powder bed fusion (PBF) process is capable of producing a complex geometrical part
with less material and energy consumption compared with conventional manufacturing methods.
The performance of PBF processed part is mainly controlled by many process parameters such as
scanning speed, scanning pattern, scanning strategy... | null | null | null | null | null | null |
['Fan, Zhiqiang', 'Sparks, Todd E.', 'Liou, Frank', 'Jambunathan, Anand', 'Bao, Yaxin', 'Ruan, Jianzhong', 'Newkirk, Joseph W.'] | 2020-03-09T15:09:00Z | 2020-03-09T15:09:00Z | 8/21/07 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80192', 'http://dx.doi.org/10.26153/tsw/7211'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | Computer Aided Design | Numerical Simulation of the Evolution of Solidification Microstructure in Laser Deposition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0141a173-6643-497d-b4bd-c10a8847b02e/download | null | A predictive model is developed to simulate the evolution of the solidification microstructure
during the laser deposition process. The microstructure model is coupled with a
comprehensive macroscopic thermodynamic model. This model simulates dendritic grain
structures and morphological evolution in solidification. Bas... | null | null | null | null | null | null |
['Wang, L.', 'Felicelli, S.', 'Gooroochurn, Y.', 'Wang, P. T.', 'Horstemeyer, M. F.'] | 2020-03-02T15:26:13Z | 2020-03-02T15:26:13Z | 9/14/06 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80132', 'http://dx.doi.org/10.26153/tsw/7153'] | eng | 2006 International Solid Freeform Fabrication Symposium | Open | Laser Engineered Net Shaping | Numerical Simulation of the Temperature Distribution and Solid-Phase Evolution in the LENS™ Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bd67216f-b9cf-4335-9c46-7c202f0f9049/download | null | A three-dimensional finite element model was developed and applied to analyze the
temperature and phase evolution in deposited stainless steel 410 (SS410) during the Laser
Engineered Net Shaping (LENSTM) rapid fabrication process. The effect of solid phase
transformations is taken into account by using temperature and ... | null | null | null | null | null | null |
['Zeng, D.', 'Rebandt, Matthew', 'Lacaria, Giuseppe', 'Lee, Ellen', 'Su, Xuming'] | 2021-11-18T17:19:33Z | 2021-11-18T17:19:33Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90434', 'http://dx.doi.org/10.26153/tsw/17355'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['numerical simulation', 'temperature history', 'plastic parts', 'fused filament fabrication', 'FFF'] | Numerical Simulation of the Temperature History for Plastic Parts in Fused Filament Fabrication (FFF) Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b9d3d369-c22e-4c35-bd13-1e4064459495/download | University of Texas at Austin | Fused Filament Fabrication (FFF) is one of the major Additive Manufacturing (AM)
processes for polymer materials. In FFF process, repetitive heating and cooling cycles occur when
the filament is dispositioned onto a build platform to fabricate a three-dimensional part. The
uneven temperature gradients and non-uniform c... | null | null | null | null | null | null |
Hsu, Michael B. | 2018-04-19T18:12:28Z | 2018-04-19T18:12:28Z | 1992 | Mechanical Engineering | doi:10.15781/T28C9RM8S | http://hdl.handle.net/2152/64399 | eng | 1992 International Solid Freeform Fabrication Symposium | Open | ['creep models', "Poisson's ratio", 'apparent modulus'] | Numerical Simulation of Viscous Sintering under Mechanical Loads | Conference paper | https://repositories.lib.utexas.edu//bitstreams/075814fc-7a8d-4e92-a6e2-61d088a96fd4/download | null | null | null | null | null | null | null | null |
['Tan, W.', 'Gibson, I.'] | 2020-02-20T19:45:29Z | 2020-02-20T19:45:29Z | 8/3/05 | Mechanical Engineering | null | https://hdl.handle.net/2152/80044 | eng | 2005 International Solid Freeform Fabrication Symposium | Open | ['microstereolithography', 'recoating process', 'numerical simulation'] | Numerical Study on the Recoating Process in Microstereolithography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0f27c30a-38e1-4d75-b0e3-5abc51ce16cd/download | null | Microstereolithography is a promising RP-based micro-fabrication technique that aims to
meet the demands for complex geometry micro-scale parts. Projection microstereolithography
incorporates a Dynamic Pattern Generator to obtain high resolution in the parallel plane.
However, its lateral resolution has been always lim... | null | null | null | null | null | null |
['Shen, Ninggang', 'Chou, Kevin'] | 2021-10-06T21:33:55Z | 2021-10-06T21:33:55Z | 8/16/12 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88451', 'http://dx.doi.org/10.26153/tsw/15388'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['electron beam additive manufacturing', 'thermal models', 'preheating temperatures', 'complex process configurations', 'temperature field'] | Numerical Thermal Analysis in Electron Beam Additive Manufacturing with Preheating Effects | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8bc4626f-e4aa-4290-98d3-f03a61b463df/download | University of Texas at Austin | In an early study, a thermal model has been developed, using finite element simulations,
to study the temperature field and response in the electron beam additive manufacturing (EBAM)
process, with an ability to simulate single pass scanning only. In this study, an investigation was
focused on the initial thermal condi... | null | null | null | null | null | null |
['Ikeshoji, T.-T.', 'Kyogoku, H.', 'Yonehara, M.', 'Araki, M.', 'Nakamura, K.'] | 2021-10-26T19:18:47Z | 2021-10-26T19:18:47Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89562 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'nickel alloy', 'numerical transient analysis', 'heat transfer', 'powder bed', 'multilayer track'] | Numerical Transient Heat Transfer Analysis of Multi Laser Track on Powder Bed of Ni-Based Alloy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8ffdbd6e-8cbc-45aa-aa9a-62ed86848834/download | University of Texas at Austin | The numerical transient heat transfer analysis is conducted for SLM process of Ni-based
alloy. For the initial situation, the powder layer covers all the top surface of bulk substrate. Then
it is simulated a laser spot scans one and half times of round trips. To simulate the melting of
powder layer and its solidificati... | null | null | null | null | null | null |
['Nzebuka, Gaius Chukwuka', 'Ufodike, Chukwuzubelu Okenwa'] | 2023-02-17T14:46:13Z | 2023-02-17T14:46:13Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117486', 'http://dx.doi.org/10.26153/tsw/44367'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | filament | Numerical Transient Thermal Development of Melting a Solid Filament in a Hot-end of a Material Extrusion System | Conference paper | https://repositories.lib.utexas.edu//bitstreams/22c1cef6-8927-425e-a8f7-ed554a46d058/download | null | Additive manufacturing of polymer feedstock in the form of solid filament is challenging
due to heat transfer limitations. The ease of melting the filament in the liquefier influences the
production rate and life cycle of the hot-end components. This study presents numerical transient
thermal development during the ... | null | null | null | null | null | null |
['Chung, Marilyn', 'Malone, Evan', 'Tolley, Michael T.', 'Chepaitis, Andrew J.', 'Lipson, Hod'] | 2021-09-23T22:47:43Z | 2021-09-23T22:47:43Z | 9/10/08 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88046', 'http://dx.doi.org/10.26153/tsw/14987'] | eng | 2008 International Solid Freeform Fabrication Symposium | Open | ['rapid prototyping technology', 'object augmentation', 'visually impaired'] | Object Augmentation for the Visually Impaired Using RP | Conference paper | https://repositories.lib.utexas.edu//bitstreams/083eda81-318e-40a7-b478-d9c3af49f6b5/download | null | We demonstrate the application of rapid prototyping technology to augment every-day objects for
the visually impaired. A freeform fabricator was used to print a tactile alphabet on multiple
surfaces including paper, plastic, and metal. We have identified and experimented with multiple
non-toxic materials and analyzed t... | null | null | null | null | null | null |
['Tilli, J.', 'Fantoni, G.', 'Currenti, S.', 'Razionale, A.V.'] | 2021-10-12T20:26:52Z | 2021-10-12T20:26:52Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88733', 'http://dx.doi.org/10.26153/tsw/15667'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['Rapid Prototyping', 'removal manufacturing', 'object shaping', 'polystyrene', 'sonotrode'] | Object Shaping of Polystyrene with a Sonotrode | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ee8e8702-bb59-4181-badd-d6a0c67dafab/download | University of Texas at Austin | Rapid Prototyping methods are often based on additive manufacturing strategies.
Depending on the application, it can also be considered the use of a removal manufacturing
rapid prototyping methodology. In this paper the authors investigate the possibility of using
the ultrasound technology for the shaping of materials ... | null | null | null | null | null | null |
['Landers, Robert G.', 'Hilgers, Michael', 'Liou, Frank W.', 'McMillin, Bruce M.'] | 2019-10-23T15:10:45Z | 2019-10-23T15:10:45Z | 2002 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76756', 'http://dx.doi.org/10.26153/tsw/3845'] | eng | 2002 International Solid Freeform Fabrication Symposium | Open | Object-Oriented | Object-Oriented Modeling and Fault Detection of a Powder Feeder for a Laser Metal Deposition System | Conference paper | https://repositories.lib.utexas.edu//bitstreams/528375a8-6a3d-4be2-a4ca-07a9eb7375e9/download | null | One of the most critical components of a laser metal deposition system is the powder feeder unit.
Techniques are required to efficiently design and analyze these systems and to ensure fault
tolerance during the operation. In this paper, a model of the powder feeder unit, based on object–
oriented abstractions of it com... | The authors gratefully acknowledge their students’ contributions to this paper and the financial
support of the National Science Foundation (DMI–9871185), Missouri Research Board, Society
of Manufacturing Engineers, and Missouri Department of Economic Development. | null | null | null | null | null |
['Scharowsky, T.', 'Baureiβ, A.', 'Singer, R.F.', 'Körner, C.'] | 2021-10-06T21:48:08Z | 2021-10-06T21:48:08Z | 2012 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88454', 'http://dx.doi.org/10.26153/tsw/15391'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['selective electron beam melting', 'beam powder interaction', 'melt pool dynamic', 'Ti6Al4V'] | Observation and Numerical Simulation of Melt Pool Dynamic and Beam Powder Interaction During Selective Electron Beam Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6b98b93a-ca59-41b8-ba91-d29b80119e56/download | University of Texas at Austin | Selective electron beam melting (SEBM) is an additive manufacturing method used to
produce complex parts in a layer-by-layer process utilizing Ti6Al4V powder. To improve the
very good properties of built parts even more and to use the full capacity of the process, the
fundamental understanding of the beam powder intera... | null | null | null | null | null | null |
['Lawrence, Jacob', 'Inkley, Colton', 'Fezzaa, Kamel', 'Clark, Samuel J.', 'Crane, Nathan B.'] | 2023-01-27T17:58:23Z | 2023-01-27T17:58:23Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117350', 'http://dx.doi.org/10.26153/tsw/44231'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Binder Jetting', 'Synchrotron X-ray Imaging', 'Binder-Powder Interaction', 'Print Processing Parameters', 'Metal'] | Observations of Binder Jetting Defect Formation Using High-Speed Synchrotron X-Ray Imaging | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a47cb13e-f9a9-4246-ac5d-49bb7349ca93/download | null | The Binder Jetting (BJ) process is capable of producing parts at high speeds from a variety
of materials, but performance is limited by defects in the final parts. An improved understanding
of fundamental phenomena in the printing process is needed to understand the source of these
defects. This work presents initia... | null | null | null | null | null | null |
['Dhaveji, Ch. Sweta', 'Sparks, Todd E.', 'Ruan, Jianzhong', 'Liou, Frank W.'] | 2021-10-04T21:49:40Z | 2021-10-04T21:49:40Z | 2011 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88360', 'http://dx.doi.org/10.26153/tsw/15299'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing toolpath', 'machine simulation', 'multi axis AM'] | Octree Approach for Simulation of Additive Manufacturing Toolpath | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e1bb96a2-6fb4-4f05-9357-267ed0773327/download | University of Texas at Austin | Machine simulation is an effective way of checking additive manufacturing tool paths for both interferences and errors in part
produced. This paper presents an algorithm to visually simulate a multi axis additive manufacturing system as it executes a process plan. Simulation results are intended to be used as a verific... | null | null | null | null | null | null |
['Tang, Hwa-Hsing', 'Yen, H.C.', 'Len, Wen-Hsiang'] | 2019-11-21T18:04:29Z | 2019-11-21T18:04:29Z | 2003 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78550', 'http://dx.doi.org/10.26153/tsw/5606'] | eng | 2003 International Solid Freeform Fabrication Symposium | Open | Rapid Prototyping | On Ceramic Parts Fabricated Rapid Prototyping Machine Based on Ceramic Laser Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9659a125-28ca-4e36-adff-7f2b7a927cb3/download | null | Conventional ceramic manufacture processes are not feasible to make ceramic parts with
complex shape because of restrictions such as high tooling cost, time consuming and skillful
workmanship. A new facility taking advantage of patented Ceramic Laser Fusion (CLF)
technology to fabricate complex ceramic parts automatica... | null | null | null | null | null | null |
['Papadatos, Alexandre L.', 'Ahzi, Said', 'Deckard, Carl R.', 'Paul, Frank W.'] | 2018-12-07T17:10:44Z | 2018-12-07T17:10:44Z | 1997 | Mechanical Engineering | doi:10.15781/T2BR8N26F | http://hdl.handle.net/2152/71451 | eng | 1997 International Solid Freeform Fabrication Symposium | Open | ['dimensional stabilities', 'Rapid prototyping'] | On dimensional stabilities: Modeling of the Bonus-Z during the SLS Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c51c4197-a193-40cb-8baa-b498711705e5/download | null | This work is a first step towards the prediction of the dimensions and thermomechanical
properties ofparts made with the Selective Laser Sintering (SLS) technology.
An important variation of the dimensions is found in the Z-direction of the build. This
phenomenon is known as the "Bonus-Z" where material properties diff... | null | null | null | null | null | null |
['Thien, Austen', 'Kelly, Kathryn M.', 'Massey, Caroline E.', 'Saldana, Christopher J.'] | 2024-03-26T23:17:04Z | 2024-03-26T23:17:04Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124446', 'https://doi.org/10.26153/tsw/51054'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['wire-arc additive manufacturing', 'stability', 'aluminum alloy'] | ON PROCESS STABILITY IN WAAM-CMT OF ALUMINUM ALLOYS | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e4624232-4d1a-4b35-8bcf-ba16bcd8a916/download | University of Texas at Austin | Wire-arc additive manufacturing (WAAM) has become a cost-efficient metal additive
manufacturing process. However, depositing aluminum with WAAM is challenging due to its
sensitivity to heat input (linear energy density), which can cause undesirable surface topology
waviness if not controlled. Thus, a process window is ... | null | null | null | null | null | null |
Das, Suman | 2019-10-09T16:15:31Z | 2019-10-09T16:15:31Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76151', 'http://dx.doi.org/10.26153/tsw/3240'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Sintering | On Some Physical Aspects of Process Control in Direct Selective Laser Sintering of Metals Part I | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f629627a-7dba-411a-8ae1-57b45757085b/download | null | null | null | null | null | null | null | null |
Das, Suman | 2019-10-09T16:17:13Z | 2019-10-09T16:17:13Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76152', 'http://dx.doi.org/10.26153/tsw/3241'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Sintering | On Some Physical Aspects of Process Control in Direct Selective Laser Sintering of Metals Part II | Conference paper | https://repositories.lib.utexas.edu//bitstreams/44409a12-9f12-49a6-86e6-ee89e7eff871/download | null | null | null | null | null | null | null | null |
Das, Suman | 2019-10-09T16:18:26Z | 2019-10-09T16:18:26Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76153', 'http://dx.doi.org/10.26153/tsw/3242'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Sintering | On Some Physical Aspects of Process Control in Direct Selective Laser Sintering of Metals Part III | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1b5b84ff-de0e-40cc-bfce-bbaa56b570ef/download | null | null | null | null | null | null | null | null |
['Allen, Seth', 'Dutta, Deba'] | 2018-10-03T15:51:40Z | 2018-10-03T15:51:40Z | 1994 | Mechanical Engineering | doi:10.15781/T24F1N368 | http://hdl.handle.net/2152/68653 | eng | 1994 International Solid Freeform Fabrication Symposium | Open | ['Layered manufacturing', '3D System machines', 'photocurable liquid'] | On the Computation Of Part Orientation Using Support Structures in Layered Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/92effa27-1c59-4792-822e-50a4e5e951a0/download | null | During the construction of an object by layered manufacturing, it might be
necessary to build external supports either to prevent the object from toppling, or to support
floating components and overhanging material. The support structures, if necessary, must
be built simultaneously with the object, and hence must be ac... | null | null | null | null | null | null |
['Wood, Nathaniel', 'Schwalbach, Edwin', 'Gillman, Andrew', 'Hoelzle, David J.'] | 2021-12-01T22:28:47Z | 2021-12-01T22:28:47Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90639', 'http://dx.doi.org/10.26153/tsw/17558'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['powder bed fusion', 'ensemble kalman filter', 'thermal camera', 'camera resolution'] | On the Diminishing Returns of Thermal Camera Resolution for PBF Temperature Estimation | Conference paper | https://repositories.lib.utexas.edu//bitstreams/68cc0198-20ba-4bbb-bec0-8c6054d1afca/download | University of Texas at Austin | Powder Bed Fusion (PBF) faces ongoing challenges in the areas of process monitoring and
control. Standard methods for alleviating these issues rely on machine learning, which requires
costly and time-consuming training data. Expense is compounded by the perceived necessity
of using sensors with extremely high resolutio... | null | null | null | null | null | null |
['Goossens, Louca R.', 'Kinds, Yannis', 'Kruth, Jean-Pierre', 'Van Hooreweder, Brecht'] | 2021-11-15T22:39:02Z | 2021-11-15T22:39:02Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90299', 'http://dx.doi.org/10.26153/tsw/17220'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['thermal lensing', 'focal shift', 'high power laser', 'control', 'SLM'] | On the Influence of Thermal Lensing During Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/14391a10-9f34-4b6c-a43e-6fc5bdd840a0/download | University of Texas at Austin | Multi kilowatt single mode lasers are increasingly being used in Selective Laser Melting
(SLM), typically with the aim of improving productivity. However, the high power densities
present in the optical path lead to a thermally induced focal shift i.e. thermal lensing. Whilst
thermal lensing has been studied for many p... | null | null | null | null | null | null |
['Gill, D.D.', 'Smugeresky, J. E.', 'Harris, M. F.', 'Robino, C. V.', 'Griffith, M. L.'] | 2020-02-14T15:22:44Z | 2020-02-14T15:22:44Z | 2004 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/79984', 'http://dx.doi.org/10.26153/tsw/7009'] | eng | 2004 International Solid Freeform Fabrication Symposium | Open | Laser Engineered Net Shaping | On the Interface Between LENS® Deposited Stainless Steel 304L Repair Geometry and Cast or Machined Components | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bc812b8a-9bf7-46fe-b267-c2ca3995ff9c/download | null | Laser Engineered Net Shaping™ (LENS®) is being evaluated for use as a metal component
repair/modification process. A component of the evaluation is to better understand the characteristics of
the interface between LENS deposited material and the substrate on which it is deposited. A processing
and metallurgical evaluat... | null | null | null | null | null | null |
['Casanova, Lucas', 'Anitha, Vineeth Vijayan', 'Kadway, Nikhil', 'Gandhi, Arpit', 'Le, Thao', 'Lee, Christine', 'Bhate, Dhruv'] | 2021-11-09T20:13:17Z | 2021-11-09T20:13:17Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90153', 'http://dx.doi.org/10.26153/tsw/17074'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['asymmetric honeycombs', 'mechanical behavior', 'material design', 'additive manufacturing'] | On the Mechanical Behavior of Additively Manufactured Asymmetric Honeycombs | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4e3fec48-189c-4190-9bb5-c2d0981911df/download | University of Texas at Austin | From a design perspective, there are four decisions that need to be made when integrating
cellular materials such as lattices and honeycombs into a structure: selection of the unit cell type,
distribution of the size of the cells across the structure, optimization of individual cell walls/struts
and junction thicknesse... | null | null | null | null | null | null |
['Sager, Benay', 'Rosen, David W.'] | 2020-02-14T16:18:56Z | 2020-02-14T16:18:56Z | 8/31/04 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/79991', 'http://dx.doi.org/10.26153/tsw/7016'] | eng | 2004 International Solid Freeform Fabrication Symposium | Open | Stereolithography | On the Use of Angled, Dynamic Laser Beams to Improve Stereolithography Surface Finish | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ed15bf7b-4ffc-48a7-93b4-57eb806e11a2/download | null | Improved surface finish of Stereolithography (SLA) parts is an important goal for furthering
the resolution of the technology. In order to improve the surface finish, a dynamic laser beam
with changing angle, beam size, beam shape, and irradiance distribution is proposed. In this
paper, an analytical irradiance model o... | null | null | null | null | null | null |
['Hyde, C.J.', 'Xu, Z.', 'Thompson, A.', 'Leach, R.K.', 'Maskery, I.', 'Tuck, C.J.', 'Clare, A.T.'] | 2021-11-02T14:41:03Z | 2021-11-02T14:41:03Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89813 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['creep', 'two-bar specimen', 'x-ray computed tomography', 'laser powder bed fusion', 'inconel 718'] | On the Use of X-Ray Computed Tomography for Monitoring the Failure of An Inconel 718 Two-Bar Specimen Manufactured by Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7de5b0b8-7ffa-4c59-b9e2-89844c3ff60f/download | University of Texas at Austin | Additive manufacturing technologies are highly versatile, capable of producing components with
previously impossible complex geometries. However, when additive manufacturing is used to
produce parts for critical applications, such as in the aerospace sector, the parts are sometimes
limited by poor mechanical properties... | null | null | null | null | null | null |
['Beascoechea, Alejandro', 'Wozny, Michael J.'] | 2018-11-02T17:05:34Z | 2018-11-02T17:05:34Z | 1995 | Mechanical Engineering | doi:10.15781/T24J0BH0P | http://hdl.handle.net/2152/69341 | eng | 1995 International Solid Freeform Fabrication Symposium | Open | ['SFF technology', 'optimization', 'fabrication'] | On Three Dimensional Heuristic Packing For Solid Freeform Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ce55811f-464c-439f-b5f6-322673facc4d/download | null | Optimal packing, any dimension, is computationally intractable. Here we address the particular
problem of automatically generating good layouts of arbitrary solid three-dimensional shape models
into a container region that represents a given freeform fabrication manufacturing chamber. We
put forth a multistage approach... | null | null | null | null | null | null |
['Fouchal, F.', 'Knight, J.A.G.', 'Dickens, P.', 'Garrington, N.'] | 2019-10-18T16:11:32Z | 2019-10-18T16:11:32Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76249', 'http://dx.doi.org/10.26153/tsw/3338'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Epoxy Resin | On-line Monitoring of Epoxy Resin Cure using Infrared Spectroscopy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fa8356f9-11ce-4e5f-bd44-a134899eaa90/download | null | The method described can be used to observe the cure in epoxy resins, it is a sensor to
serve as an on line monitoring system of physical change of the resins during the curing time and
the future behaviour of the part built. It is also proposed that the method can be applied in
Stereolithography (SL). In this paper th... | null | null | null | null | null | null |
['Yang, Liu', 'Binega, Eden', 'Cheng, Jack C.P.', 'Jeon, Ikgeun', 'Sohn, Hoon'] | 2021-12-01T23:08:11Z | 2021-12-01T23:08:11Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90649', 'http://dx.doi.org/10.26153/tsw/17568'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['directed energy deposition', 'laser line scanner', 'geometry quality', 'quality management', 'online management'] | Online Geometry Quality Management during Directed Energy Deposition using Laser Line Scaner | Conference paper | https://repositories.lib.utexas.edu//bitstreams/efcc630c-c6ee-4db3-ac53-c33b79e6515d/download | University of Texas at Austin | Additive manufacturing (AM) is a powerful and promising manufacturing
technology due to its advantages of material saving, mass customization and small-quantity production of custom-designed products. However, current situation of lacking
quality management in 3D printing process is the key barrier of adopting this adv... | null | null | null | null | null | null |
['Craeghs, Tom', 'Clijsters, Stijn', 'Yasa, Evren', 'Kruth, Jean-Pierre'] | 2021-10-04T21:21:50Z | 2021-10-04T21:21:50Z | 8/17/11 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88350', 'http://dx.doi.org/10.26153/tsw/15289'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Melting', 'quality monitoring', 'quality control', 'online quality control'] | Online Quality Control of Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ed92c4ed-fd04-4ba7-a4c4-d84b790dea2e/download | University of Texas at Austin | Selective Laser Melting (SLM) is an Additive Manufacturing technique which
allows producing three-dimensional metallic parts from powder material, using a layer-by-layer fashion. Typical applications of this technology are parts with high geometrical
complexity or internal features such as biomedical implants or castin... | null | null | null | null | null | null |
['Tang, Shangyong', 'Wang, Guilan', 'Zhang, Haiou', 'Wang, Rui'] | 2021-11-04T18:25:17Z | 2021-11-04T18:25:17Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/89998', 'http://dx.doi.org/10.26153/16919'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['online surface defects detection system', 'surface defects', 'defect detection', 'deep learning', 'support vector', 'arc welding based additive manufacturing', 'AWAM'] | An Online Surface Defects Detection System for AWAM Based on Deep Learning | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3a1a2938-334b-41e0-b163-e61cb6383e49/download | University of Texas at Austin | Defects detecting layer by layer in arc welding based additive manufacturing (AWAM) is a
big challenge as it affects the successive layer quality of the products. Most of the work on layer
quality defection were focused on 3D profile measurement and X-ray spectroscopy method but it
is inefficient, expensive with poor a... | null | null | null | null | null | null |
['Hartman, Aja', 'Baker, Mary', 'Tastl, Ingeborg', 'Nauka, Krzysztof'] | 2023-01-20T13:53:28Z | 2023-01-20T13:53:28Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117253', 'http://dx.doi.org/10.26153/tsw/44134'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | MJF | Opacity Modulation in Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/24c1ba80-88c7-45af-ba3f-21ca98e02b35/download | null | HP’s powder-based technology, Multi Jet Fusion (MJF), uses a fusing agent to
selectively melt polymer powder in a layer-by-layer fashion to create 3D parts. There are many
applications that require variable opacity including signage, medical models, and backlit
buttons and indicators on computers, vehicles, and inst... | null | null | null | null | null | null |
['Carter, William', 'Tucker, Michael', 'Mahony, Michael', 'Toledano, David', 'Butler, Robert', 'Roychowdhury, Subhrajit', 'Nassar, Abdalla R.', 'Corbin, David J.', 'Benedict, Mark D.', 'Hicks, Adam S.'] | 2021-11-16T15:37:04Z | 2021-11-16T15:37:04Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90316', 'http://dx.doi.org/10.26153/tsw/17237'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['open scan path', 'selective laser melting', 'acceleration of large-scale additive manufacturing', 'ALSAM', 'Air Force'] | An Open-Architecture Multi-Laser Research Platform for Acceleration of Large-Scale Additive Manufacturing (ALSAM) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2005da82-0de6-4f58-a656-a8e98dbdc621/download | University of Texas at Austin | As Selective Laser Melting (SLM) technology matures, researchers and engineers
responsible for transitioning the technology from rapid prototyping into manufacturing are gaining
a better understanding of the opportunities with this revolutionary technology. A step for
accelerating solutions is to allow researchers comp... | null | null | null | null | null | null |
['Elliott, A.M.', 'Love, L.J.'] | 2021-10-28T22:44:51Z | 2021-10-28T22:44:51Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89722 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['metal additive manufacturing', 'operator burden', 'build cycle', 'part processing', 'reset'] | Operator Burden in Metal Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/eb250543-2d70-4dfd-8ebb-0d8f2bf5458d/download | University of Texas at Austin | Additive manufacturing (AM) is an emerging manufacturing process that creates usable machine
parts via layer-by-layer joining of a stock material. With this layer-wise approach, high-performance geometries can be created which are impossible with traditional manufacturing
methods. Metal AM technology has the potential ... | null | null | null | null | null | null |
['Foster, B.K.', 'Reutzel, E.W.', 'Nassar, A.R.', 'Hall, B.T.', 'Brown, S.W.', 'Dickman, C.J.'] | 2021-10-19T19:20:04Z | 2021-10-19T19:20:04Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89328 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['powder bed fusion', 'additive manufacturing', 'layer-wise imaging'] | Optical, Layerwise Monitoring of Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f99366e0-828f-4a6c-b890-44313eecc83b/download | University of Texas at Austin | In powder bed fusion additive manufacturing, pre-placed layers of powder are successively
fused to form three-dimensional components. During part build-up, flaws in the material or part
geometry can occur and lead to an unacceptable part quality. Common flaws include porosity, poor
surface finish, and thermal deformati... | null | null | null | null | null | null |
['Ray, Phillip', 'Chahine, Gilbert', 'Smith, Pauline', 'Kovacevic, R.'] | 2021-10-05T14:48:34Z | 2021-10-05T14:48:34Z | 8/17/11 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88385', 'http://dx.doi.org/10.26153/tsw/15324'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['golf club head', 'electron beam melting (EBM)', 'additive manufacturing (AM)', 'functionally graded porosity (FGP)'] | Optimal Design of a Golf Club using Functionally Graded Porosity | Conference paper | https://repositories.lib.utexas.edu//bitstreams/dbbda56b-55e4-446a-bbf8-3da786ca64ae/download | University of Texas at Austin | The current work portrays a new concept of designing and manufacturing golf club heads
with functionally graded porosity (FGP) by means of electron beam melting® (EBM®). In light
of the advancement of additive manufacturing (AM) technologies and the consequent wide
spread applications in the aerospace, automotive, and ... | null | null | null | null | null | null |
['Cao, Xiaoqing', 'Ayalew, Beshah'] | 2021-10-18T21:53:03Z | 2021-10-18T21:53:03Z | 2014 | Mechanical Engineering | null | https://hdl.handle.net/2152/89263 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['laser-aided powder deposition', 'melting interface tracking', 'optimization'] | Optimal Melting Interface Tracking in Laser-Aided Powder Deposition Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9744852e-6c3b-4b92-a1ce-8c3b7c30e0e5/download | University of Texas at Austin | This paper presents a systematic control inputs optimization method for melting interface
tracking in laser-aided powder deposition (LAPD) processes. Using a proposed interface
approximation and a coordinate system moving with the laser source, and adopting the enhanced
thermal conductivity method, the process model is... | null | null | null | null | null | null |
['Miyanaji, Hadi', 'Zhang, Shanshan', 'Lassell, Austin', 'Zandinejad, Amir Ali', 'Yang, Li'] | 2021-10-21T20:58:01Z | 2021-10-21T20:58:01Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89446 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['3D printing', 'binder jetting process', 'green parts', 'sintering'] | Optimal Process Parameters for 3D Printing of Dental Porcelain Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2c89f960-629c-465b-93bd-136187cfdbbf/download | University of Texas at Austin | Dental porcelain material is a typical glass ceramic material that is widely used in dental
restoration applications. However, there still exists limited knowledge about the fabrication of
this type of materials using binder jetting additive manufacturing process. There are several
important factors such as saturation ... | null | null | null | null | null | null |
['Dzogbewu, T.C.', 'Yadroitsev, I.', 'Krakhmalev, P.', 'Yadroitsava, I.', 'Du Plessis, A.'] | 2021-11-02T13:47:30Z | 2021-11-02T13:47:30Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89801 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['process parameters', 'in situ', 'Ti15Mo', 'laser powder bed fusion'] | Optimal Process Parameters for In Situ Alloyed Ti15Mo Structures by Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/629d91f2-8c81-4f4d-b117-734dc1762954/download | University of Texas at Austin | Powder Bed Fusion (PBF) is a manufacturing method with the advantage that it can
produce objects of complex geometry. Additionally, it opens great opportunities to synthesize
new materials from elemental powder using an in situ alloying approach. Potential of the in situ
PBF alloying approach is nevertheless not well u... | null | null | null | null | null | null |
['Ghazanfari, Amir', 'Li, Wenbin', 'Leu, Ming C.', 'Landers, Robert G.'] | 2021-10-21T18:28:54Z | 2021-10-21T18:28:54Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89420 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['rastering orientation', 'freeform extrusion fabrication', 'horizontal staircase effect'] | Optimal Rastering Orientation in Freeform Extrusion Fabrication Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/24ec35db-5e3f-4d69-a408-02e06324aca9/download | University of Texas at Austin | Many researchers have tried to optimize the build direction of additively manufactured parts to minimize
the vertical staircase effect. However, the horizontal staircase effect should also be considered when fully dense
parts are to be fabricated. In this paper, part inaccuracy due to the horizontal staircase effect is... | null | null | null | null | null | null |
['Subedi, Subodh C.', 'Thoma, Dan J.', 'Suresh, Krishnan'] | 2023-01-26T15:34:53Z | 2023-01-26T15:34:53Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117318', 'http://dx.doi.org/10.26153/tsw/44199'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | LPBF | Optimal Truss-Type Supports for Minimal Part Distortion in LPBF | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a2390f25-2ad7-43a9-a743-ebc981c7cd24/download | null | Efficient transfer of heat to the build plate is important for part printability in laser
powder bed fusion (LPBF). Support structures provide pathways for heat dissipation from
the melt pool to the build plate. Truss-type supports have been proposed for better thermal
management in LPBF since they are easy to analyze, o... | null | null | null | null | null | null |
['Vaithilingam, Jayasheelan', 'Laoboonmee, Kasidis', 'Saleh, Ehab', 'Hague, Richard J.M.', 'Wildman, Ricky D.', 'Tuck, Christopher J.'] | 2021-11-01T22:23:35Z | 2021-11-01T22:23:35Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89780 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['substrate angles', 'dielectric substrate', 'multi-functional parts', 'multi-material parts', 'optimization', '3D inkjet printing'] | Optimisation of Substrate Angles for Three Dimensional Inkjet Printing of Multi-Functional and Multi-Material Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9a7e251e-b95c-40c9-b24a-0c57ceebd1e7/download | University of Texas at Austin | Three dimensional (3D) inkjet printing of multiple materials is being explored widely to
fabricate multi-functional parts such as the printing of strain gauges and heating elements
embedded within a component. Although dielectrics and conductive materials can be inkjet-printed together, there is a difference in their l... | null | null | null | null | null | null |
['Khodabakhshi, K.', 'Gilbert, M.', 'Dickens, P.', 'Hague, R.', 'Fathi, S.'] | 2021-09-28T17:49:28Z | 2021-09-28T17:49:28Z | 9/10/08 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88135', 'http://dx.doi.org/10.26153/tsw/15076'] | eng | 2008 International Solid Freeform Fabrication Symposium | Open | ['anionic polymerization', 'caprolactam', 'polyamide 6', 'inkjetting'] | Optimised Polymerization Conditions for Inkjetting of Caprolactam to Produce Polyamide Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a86f31b0-fa1d-4623-b8a5-5af5b5a78939/download | University of Texas at Austin | Rapid Manufacturing (RM) techniques have been developed to shorten the processing cycle, and
lead to efficient production of ready-to-use complex items. This project aims to manufacture
three dimensional parts, directly from monomer, using a 3D Printing process based on ink-jet
printing technology. A fast polymeriza... | null | null | null | null | null | null |
['ONUH, S.O.', 'HON, K.K.B.'] | 2018-12-07T16:13:27Z | 2018-12-07T16:13:27Z | 1997 | Mechanical Engineering | doi:10.15781/T24747B9Z | http://hdl.handle.net/2152/71445 | eng | 1997 International Solid Freeform Fabrication Symposium | Open | ['RPT', 'Stereolithography'] | Optimising Build Parameters and Hatch Style for Part Accuracy in Stereolithography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f4abe751-e6b1-4a58-b0d7-ae5d3952b577/download | null | A detailed study of the effects of layer thickness, hatch spacing, hatch overcure
depth, and hatch fill cure depth on the quality of the StereoLithography (SL) product was
carried out using acrylic based resin. Taguchi Method was used for analysing all
experimental results. The ANOVA and the Signal-to-noise ratio (SIN)... | null | null | null | null | null | null |
['Richards, I.P.F.', 'Garabet, T.M.N.', 'Bitar, I.S.', 'Salmon, F.M.'] | 2021-11-02T19:49:10Z | 2021-11-02T19:49:10Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89881 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'laser sintering', 'desktop-laser sintering', 'thermoplastic polyurethane', 'powder characterisation', 'mechanical properties'] | Optimising Thermoplastic Polyurethane for Desktop Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0ca12e4b-3034-4b84-922f-4c353a0f2388/download | University of Texas at Austin | Laser Sintering (LS) is an industrially relevant Additive Manufacturing method that has
become more accessible since the introduction of commercially available desktop-LS systems.
However, useable materials are currently limited to several grades of nylon, and so the aim of
this study was to optimise an unknown, novel ... | null | null | null | null | null | null |
['Brackett, D.', 'Panesar, A.', 'Ashcroft, I.', 'Wildman, R.', 'Hague, R.'] | 2021-10-11T21:32:37Z | 2021-10-11T21:32:37Z | 8/16/13 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88650', 'http://dx.doi.org/10.26153/tsw/15584'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['multi-material 3D printing', 'additive manufacturing', 'topology optimization', 'design analysis', 'optimization', 'active internal systems'] | An Optimization Based Design Framework for Multi-Functional 3D Printing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/97f045cd-b91f-4d18-8739-f5976cce77df/download | University of Texas at Austin | This work investigates design analysis and optimization methods for the integration of
active internal systems into a component for manufacture using multi-material 3D printing
processes. This enables efficient design of optimal multifunctional components that exploit the
design freedoms of additive manufacturing (AM).... | null | null | null | null | null | null |
Levy, Richard A. | 2018-05-03T17:59:57Z | 2018-05-03T17:59:57Z | 1993 | Mechanical Engineering | doi:10.15781/T2M32NT3H | http://hdl.handle.net/2152/65048 | eng | 1993 International Solid Freeform Fabrication Symposium | Open | ['Craniofacial Imaging and Modeling', 'CT'] | Optimization of 2D CT Data Sets for Three-Dimensional | Conference paper | https://repositories.lib.utexas.edu//bitstreams/db47963a-4cf7-4a16-8c5e-9e0d301008d9/download | null | Computer-generated anatomic modeling using radiologic data is a well-known entity. Currently,
state of the art 3D modeling systems lack the variable thresholding, user interactive, capabilities of
3D imaging software.1 We investigated clinical parameters - cr scan plane, 2D filter algorithm,
surrounding medium - and te... | null | null | null | null | null | null |
['Borstell, D.', 'Georg, M.-C.'] | 2021-12-01T21:27:43Z | 2021-12-01T21:27:43Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90619', 'http://dx.doi.org/10.26153/tsw/17538'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['design for additive manufacturing', 'gear assembly', 'worm gear', 'double bass'] | Optimization of a Worm Gear Assembly Design for Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c9144d42-e32f-45d5-a087-debdf15c8f55/download | University of Texas at Austin | Worm gears are widely used to transmit power at predominantly low speeds and highspeed ratios. Their self-locking characteristic makes them unique to many drive applications.
Industrial power requirements are causing forces and tensions mostly prohibiting thermoplastic
materials in worm gear drive trains.
Double basses... | null | null | null | null | null | null |
['Fieger, T.', 'Nugara, D.', 'Huebner, J.', 'Witt, G.'] | 2021-11-02T18:39:08Z | 2021-11-02T18:39:08Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89864 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'laser sinitering', 'adhesives', 'bonding agent', 'assembly', 'norms and standards'] | Optimization of Adhesively Joined Laser-Sintered Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5791c8b8-adf9-4b91-8154-ddf54097c0e5/download | University of Texas at Austin | As additive manufacturing technologies are advancing in quality and economic
feasibility, joining and assembly is becoming increasingly important for industrial users. In this
study, the performance of four adhesives for polyamide 12 specimens is analyzed. Testing of
bonding relevant factors, such as the surface energy... | null | null | null | null | null | null |
['Peng, Hao', 'Ghasri-Khouzani, Morteza', 'Gong, Shan', 'Attardo, Ross', 'Ostiguy, Pierre', 'Aboud Gatrell, Bernice', 'Budzinski, Joseph', 'Tomonto, Charles', 'Neidig, Joel', 'Shankar, M. Ravi', 'Billo, Richard', 'Go, David B.', 'Hoelzle, David'] | 2021-11-02T20:06:57Z | 2021-11-02T20:06:57Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89883 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'DMLS', 'optimization', 'build orientation', 'thermal distortion', 'thermal stress', 'support structure'] | Optimization of Build Orientation for Minimum Thermal Distortion in DMLS Metallic Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c07b1f92-77de-4b5a-9108-ae96f86c8f7a/download | University of Texas at Austin | The additive manufacturing (AM) process direct metal laser sintering (DMLS) can quickly
produce complex parts. However, thermal stress in DMLS may induce thermal distortion and cause
build failure. This manuscript presents an optimization algorithm for the build orientation in
DMLS to minimize thermal distortion. The a... | null | null | null | null | null | null |
['Tariq, Usman', 'Joy, Ranjit', 'Wu, Sung-Heng', 'Arif Mahmood, Muhammad', 'Woodworth, Michael M.', 'Liou, Frank'] | 2024-03-26T20:06:25Z | 2024-03-26T20:06:25Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124386', 'https://doi.org/10.26153/tsw/50994'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['metal additive manufacturing', 'finite element analysis', 'computational time', 'directed energy deposition', 'residual stress'] | OPTIMIZATION OF COMPUTATIONAL TIME FOR DIGITAL TWIN DATABASE IN DIRECTED ENERGY DEPOSITION FOR RESIDUAL STRESSES | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0f998361-54b5-4584-ba7a-b2b6a0e703b3/download | University of Texas at Austin | Metal Additive Manufacturing (MAM) has experienced rapid growth and demonstrated its cost-effectiveness
in the production of high-quality products. However, MAM processes introduce significant thermal gradients that
result in the formation of residual stresses and distortions in the final parts. Finite Element Analysis... | null | null | null | null | null | null |
['Chen, Yu', 'Vastola, Guglielmo', 'Zhang, Yong Wei'] | 2021-11-15T21:10:24Z | 2021-11-15T21:10:24Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90273', 'http://dx.doi.org/10.26153/tsw/17194'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['inert gas flow', 'chamber', 'computational fluid dynamics', 'laser powder bed fusion', 'CFD', 'L-PBF'] | Optimization of Inert Gas Flow Inside Laser Powder Bed Fusion Chamber with Computational Fluid Dynamics | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d9152b01-255b-4d83-9888-a3e9ac9ef01e/download | University of Texas at Austin | It is crucial to maintain a uniform and fast enough inert gas flow inside build chamber to obtain high-quality final products (e.g. low porosity) without oxidation. The current study investigated the behaviors of the
inert gas flow inside a chamber with CFD simulations, as well as its evaluation and optimization. The g... | null | null | null | null | null | null |
['Theeda, Sumanth', 'Ravichander, Bharath Bhushan', 'Jagdale, Shweta Hanmant', 'Kumar, Golden'] | 2023-03-28T19:24:34Z | 2023-03-28T19:24:34Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117668', 'http://dx.doi.org/10.26153/tsw/44547'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Laser Powder Bed Fusion', 'neural networks', 'machine learning', 'SS316L'] | Optimization of Laser Process Parameters Using Machine Learning Algorithms and Performance Comparison | Conference paper | https://repositories.lib.utexas.edu//bitstreams/24687bb1-b94f-4e92-9fd1-ef48f53c8877/download | null | Laser powder bed fusion (L-PBF) can be used to produce near net-shaped functional metal
components. Despite offering high flexibility in producing components with intricate geometries,
L-PBF has many constraints in terms of controllability and repeatability because of large number
of processing parameters. There is ... | null | null | null | null | null | null |
['Theeda, S.', 'Ravichander, B.B.', 'Jagdale, S.H.', 'Kumar, G.'] | 2023-04-03T17:45:39Z | 2023-04-03T17:45:39Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117729', 'http://dx.doi.org/10.26153/tsw/44608'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Laser Powder Bed Fusion', 'Neural Networks', 'Machine Learning', 'SS316L'] | Optimization of Laser Process Parameters Using Machine Learning Algorithms and Performance Comparison | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9282689e-03f2-47da-abd5-30d5d236e787/download | null | Laser powder bed fusion (L-PBF) can be used to produce near net-shaped functional metal
components. Despite offering high flexibility in producing components with intricate geometries,
L-PBF has many constraints in terms of controllability and repeatability because of large number
of processing parameters. There is ... | null | null | null | null | null | null |
['Kim, Dong Sung', 'Thompson, Steven', 'Grunlan, Melissa', 'Tai, Bruce L.'] | 2021-10-28T14:57:02Z | 2021-10-28T14:57:02Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89658 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['low one-photon polymerization', 'hydrostatic 3D printing', 'silicone material', 'optimization'] | Optimization of Low One-Photon Polymerization for Hydrostatic 3D Printing of Silicone Material | Conference paper | https://repositories.lib.utexas.edu//bitstreams/261fca2d-e113-466a-b7e5-19015a5cf652/download | University of Texas at Austin | This study investigated the parameter optimization of low one-photon polymerization in
hydrostatic 3D printing (H3P). H3P produces 3D structures in a hydrostatic condition with
minimum or no physical supports, used particularly for soft materials that typically require
substantial supports to hold the position and shap... | null | null | null | null | null | null |
['Yan, Jingyuan', 'Battiato, Ilenia', 'Fadel, Georges M.'] | 2021-10-18T21:47:41Z | 2021-10-18T21:47:41Z | 2014 | Mechanical Engineering | null | https://hdl.handle.net/2152/89260 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['Laser Engineered Net Shaping', 'Direct Metal Deposition', 'in-flight melting', 'multi-materials'] | Optimization of Multi-Materials In-Flight Melting in Laser Engineered Net Shaping (LENS) Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8eb1000e-65cf-422c-b12e-0b323e825808/download | University of Texas at Austin | A heterogeneous object has potentially many advantages and in many cases can realize
appearance and/or functionality that homogeneous objects cannot achieve. LENSTM, a Direct
Metal Deposition process, is one technology with the potential to fabricate heterogeneous objects.
In-flight melting provides an advantageous con... | null | null | null | null | null | null |
['Yamauchi, Yuki', 'Kigure, Takashi', 'Niino, Toshiki'] | 2023-01-19T17:48:01Z | 2023-01-19T17:48:01Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117251', 'http://dx.doi.org/10.26153/tsw/44132'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | adhesion | Optimization of penetration depth and powder layer thickness for proper interlayer adhesion in polymer laser sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ef8501fc-dc22-4f8e-a8c7-ac71fb111fba/download | null | In laser sintering, the melt pool depth relative to the powder layer thickness is the
main factor influencing interlayer adhesion strength. The melt pool depth is closely
related to the amount of laser energy and its penetration depth. Previous studies have
shown that using a near-infrared laser and an additive agen... | null | null | null | null | null | null |
['Karapatis, N.P.', 'Egger, G.', 'Gygax, P.E.', 'Glardon, R,'] | 2019-03-12T17:05:57Z | 2019-03-12T17:05:57Z | 1999 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73604', 'http://dx.doi.org/10.26153/tsw/746'] | eng | 1999 International Solid Freeform Fabrication Symposium | Open | ['SLS', 'polymer'] | Optimization of Powder Layer Density in Selective Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/badbcef3-9fa5-4b0a-bb38-34299dcaedae/download | null | An important parameter for the overall quality of SLS parts is the density of powder layers before sintering.
Previous studies have shownthatthe control of powder particle shape and size distribution can increase the density of
non-packed powder beds. However, these studies concerned beds several orders of magnitude la... | null | null | null | null | null | null |
['Ashby, Kathryn', 'Fieldman, Zack', 'Kenney, Pat', 'Rockstroh, Todd'] | 2021-10-19T15:17:33Z | 2021-10-19T15:17:33Z | 2014 | Mechanical Engineering | null | https://hdl.handle.net/2152/89295 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['direct metal laser melting', 'process parameters', 'reentrant build geometry', 'reentrant surface finish'] | Optimization of Process Parameters for Reentrant Surfaces in Direct Metal Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e8f7e7b4-e6c6-40f1-95ad-fda053da2505/download | University of Texas at Austin | One of the key factors for development and optimization of direct metal laser
melting (DMLM) is the analysis of process parameters on reentrant build geometry and
surface finish. Recent studies have focused on the optimization of standard build
parameters with only minor emphasis on reentrant geometries. Parameters tha... | null | null | null | null | null | null |
['Leu, Ming C.', 'Pattnaik, Shashwatashish', 'Hilmas, Gregory E.'] | 2021-09-30T18:34:38Z | 2021-09-30T18:34:38Z | 2010 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88273', 'http://dx.doi.org/10.26153/tsw/15214'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Sintering', 'zirconium diboride parts', 'optimization', 'ultra-high temperature applications'] | Optimization of Selective Laser Sintering Process for Fabrication of Zirconium Diboride Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f6f45122-5955-458a-92e4-55635d7e62da/download | University of Texas at Austin | Selective Laser Sintering (SLS) was investigated to fabricate Zirconium Diboride
(ZrB2) parts for ultra-high temperature applications. Experiments were conducted to
determine values of SLS process parameters (laser power, scan speed, line spacing, and
layer thickness) that can be used to build ZrB2 parts with high inte... | null | null | null | null | null | null |
['Ghanekar, Amol S.', 'Crawford, Richard H.', 'Watson, Douglas'] | 2019-11-20T17:08:24Z | 2019-11-20T17:08:24Z | 2003 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78485', 'http://dx.doi.org/10.26153/tsw/5570'] | eng | 2003 International Solid Freeform Fabrication Symposium | Open | SLS Process | Optimization of SLS Process Parameters Using D-Optimality | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2817d846-20ce-4633-8fd0-f4a55af79692/download | null | Solid Freeform Fabrication (SFF) refers to a group of processes that manufacture parts of
arbitrarily complex geometry without tooling. Currently, the operation of most SFF machines
requires skilled operators with expertise in choosing process parameters in ordered to achieve the
desired part quality. Thus, the “push-b... | null | null | null | null | null | null |
['Teufelhart, S.', 'Reinhart, G.'] | 2021-10-06T21:19:25Z | 2021-10-06T21:19:25Z | 8/15/12 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88447', 'http://dx.doi.org/10.26153/tsw/15384'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['Additive Layer Manufacturing', 'lattice structures', 'strut diameters', 'stress directions'] | Optimization of Strut Diameters in Lattice Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5f8f6d4e-22e9-44c1-b6ef-60a4dad3dfa7/download | University of Texas at Austin | Additive manufactured lattice structures show a high potential for lightweight design.
Currently, these structures have a periodical build-up, which leads to disadvantageous stress
states. On the one hand, unfavorable bending loads on the single struts appear. This can be
avoided by an adaption of the course of the str... | null | null | null | null | null | null |
['Krol, T.A.', 'Zach, F.', 'Seidel, C.'] | 2021-10-06T21:15:54Z | 2021-10-06T21:15:54Z | 8/15/12 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88446', 'http://dx.doi.org/10.26153/tsw/15383'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['metal-based additive manufacturing', 'support structures', 'finite element models'] | Optimization of Supports in Metal-Based Additive Manufacturing by Means of Finite Element Models | Conference paper | https://repositories.lib.utexas.edu//bitstreams/668d7730-ab1b-4e54-87d4-0006d38fc64c/download | University of Texas at Austin | Metal-based additive manufacturing processes require a supporting of overhanging part areas during the powder
solidification e. g. for improving the heat dissipation to the substrate. Technology users nowadays strive to
reduce support areas due to economical aspects, while simultaneously enhancing the process stability... | null | null | null | null | null | null |
['Mukhametkaliyev, T.M.', 'Ferrucci, M.', 'Pavan, M.', 'Villanueva, M.C.', 'Craeghs, T.', 'Claeys, C.', 'Deckers, E.', 'Desmet, W.'] | 2021-11-30T20:14:33Z | 2021-11-30T20:14:33Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90533', 'http://dx.doi.org/10.26153/tsw/17452'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'laser sintering', 'vibro-acoustic metamaterial', 'ED mapping', 'up-skin and down-skin scanning strategy', 'scan pattern', 'computer tomography', 'optimization'] | Optimization of the Additive Manufacturing Process for Geometrically Complex Vibro-Acoustic Metamaterials | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3f0558a7-8fde-4be8-9b52-b4527ce51f1a/download | University of Texas at Austin | A study performed at KU Leuven provided a proof-of-concept of vibro-acoustic locally
resonant meta-materials manufactured with Laser Sintering (LS). However, the geometry and
material properties of the manufactured parts deviated from their nominal (specified) values,
resulting in differences in resonant frequencies of... | null | null | null | null | null | null |
['Brown-Moore, Tosh Kāneala', 'Balaji, Srivatsan', 'Lipton, Jeffrey'] | 2023-02-09T19:07:39Z | 2023-02-09T19:07:39Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117444', 'http://dx.doi.org/10.26153/tsw/44325'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | Ukraine | Optimizing 3D Printed Tourniquets for Immediate Aid in Ukraine | Conference paper | https://repositories.lib.utexas.edu//bitstreams/51e4f486-b942-4886-867b-122164499057/download | null | The outbreak of conflict in Ukraine has been met with a drastic increase in demand for
medical devices like the COVID pandemic. Additive manufacturing enables the on-demand onsite
manufacturing of medical devices, such as tourniquets, necessary to save lives in emergency
situations where delivery isn’t an option. He... | null | null | null | null | null | null |
['Thompson, David C.', 'Crawford, Richard H.'] | 2018-11-08T15:05:17Z | 2018-11-08T15:05:17Z | 1995 | Mechanical Engineering | doi:10.15781/T2MK65T8G | http://hdl.handle.net/2152/69882 | eng | 1995 International Solid Freeform Fabrication Symposium | Open | ['SLS', 'SALD', 'Rapid prototyping'] | Optimizing Part Quality with Orientation | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3f8062c8-0c2b-448c-b2fd-b6fcdcf560bb/download | null | The orientation of SFF-manufactured parts can have a significant effect on the
quality of the parts, in both surface effects and strength. Currently, orientation is
either ignored or set on the basis of experience. This paper takes some simple experiments
and creates quantitative measures relating different aspects of ... | null | null | null | null | null | null |
['Asiabanpour, B.', 'Vejandla, D.T.', 'Novoa, C.', 'Jimenez, J.', 'Fischer, R.'] | 2021-09-28T18:25:13Z | 2021-09-28T18:25:13Z | 9/18/09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88146', 'http://dx.doi.org/10.26153/tsw/15087'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['plasma cutting', 'regression model', 'desirability function', 'optimiization', 'experimental design', 'Rapid Manufacturing'] | Optimizing the Quality of Parts Manufactured by the Automated Plasma Cutting Process Using Response Surface Methodology | Conference paper | https://repositories.lib.utexas.edu//bitstreams/010be919-80ed-41b8-8f9d-0c994df5e4e4/download | University of Texas at Austin | Automated plasma cutting is an effective process for building complex two-dimensional metallic
parts in a short period of time. Because the plasma cutting machine has several factors or input
variables to control (e.g., current, cutting speed, torch height) and a variety of part quality
characteristics or response vari... | null | null | null | null | null | null |
['Novoa, C.', 'Flores, A.'] | 2021-11-18T01:23:03Z | 2021-11-18T01:23:03Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90391', 'http://dx.doi.org/10.26153/tsw/17312'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'AM', 'fused deposition modeling', 'FDM', 'polylactic acid', 'PLA', 'design of experiments', 'DOE'] | Optimizing the Tensile Strength for 3D Printed PLA Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/197a26d4-fd9e-442d-89fa-f59e26d9121d/download | University of Texas at Austin | This research investigates on how extruder nozzle temperature, model infill rate (i.e.
density) and number of shells affect the tensile strength of three-dimensional polylactic acid (PLA)
products manufactured with the fused deposition model technology. Our goal is to enhance the
quality of 3D printed products using th... | null | null | null | null | null | null |
Laboratory for Freeform Fabrication and University of Texas at Austin | 2023-01-19T17:34:45Z | 2023-01-19T17:34:45Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117249', 'http://dx.doi.org/10.26153/tsw/44130'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | Organizing Committee | Organizing Committee | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5e33398a-5278-4648-ba8b-1550a38eb505/download | null | null | null | null | null | null | null | null |
['Borish, Michael', 'Roschli, Alex'] | 2021-12-06T23:43:59Z | 2021-12-06T23:43:59Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90721', 'http://dx.doi.org/10.26153/tsw/17640'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['slicing', 'on-demand slicing', 'additive manufacturing', 'sensor feedback', 'modeling feedback'] | ORNL Slicer 2.0: Towards a New Slicing Paradigm | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1bb4ab61-d089-43bc-ab12-f955bd574e5a/download | University of Texas at Austin | One fundamental step of additive manufacturing is slicing. Slicing is the conversion of a 3D
mesh to a set of layers containing all the necessary pathing to construct the object. The slicing
process is typically viewed as one step in a sequential additive manufacturing workflow: an object is
designed in CAD, sliced, an... | null | null | null | null | null | null |
['Roschli, Alex', 'Messing, Andrew', 'Borish, Michael', 'Post, Brian K.', 'Love, Lonnie J.'] | 2021-11-02T20:32:16Z | 2021-11-02T20:32:16Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89889 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['ORNL Slicer 2', 'ORNL Slicer', 'tool path', 'additive manufacturing'] | ORNL Slicer 2: A Novel Approach for Additive Manufacturing Tool Path Planning | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7031e942-8b88-4479-bcbb-b81b0c5001a5/download | University of Texas at Austin | ORNL Slicer is the first software designed to generate machine instructions, or tool paths,
from CAD files for large-scale 3D printing of metals and polymers. The software was
revolutionary because it allowed for slicing of models reaching 20 feet long, generating millions
of lines of G-Code in seconds. The structure o... | null | null | null | null | null | null |
['Ahn, Dong-Gyu', 'Lee, Jun-Young', 'Yang, Dong-Yol'] | 2020-02-17T15:46:24Z | 2020-02-17T15:46:24Z | 8/30/04 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80015', 'http://dx.doi.org/10.26153/tsw/7040'] | eng | 2004 International Solid Freeform Fabrication Symposium | Open | rapid prototyping | Orthopedic Surgery Planning Based on the Integration of Reverse Engineering and Rapid Prototyping | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b2404280-26e6-447d-9d38-eff43de19f25/download | null | This paper describes orthopedic surgical planning based on the integration of RE and RP.
Using symmetrical characteristics of the human body, CAD data of the original bone without
damages for the injured extent are generated from a mirror transformation of undamaged bone
data for the uninjured extent. The physical mode... | null | null | null | null | null | null |
['Martínez-Magallanes, Mario', 'Cuan-Urquizo, Enrique', 'Ramirez-Cedillo, Erick', 'Roman-Flores, Armando'] | 2024-03-27T15:54:58Z | 2024-03-27T15:54:58Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124493', 'https://doi.org/10.26153/tsw/51101'] | en | 2023 International Solid Freeform Fabrication Symposium | Open | ['fractal mechanical metamaterials', 'out-of-plane', 'Hibert curve', 'conformabiity', 'additive manufacturing', 'LCD SLA'] | OUT-OF-PLANE MECHANICAL PROPERTIES OF ADDITIVELY MANUFACTURED FRACTAL REINFORCED STRUCTURES | Conference paper | https://repositories.lib.utexas.edu//bitstreams/61770751-c527-4527-a60a-53735f1634d5/download | University of Texas at Austin | Architected materials are an emergent kind of materials that gain their
physical properties from their rationally designed micro-structures. They
are normally conformed by regular unit-cells repetition, but other variations,
such as hierarchal, aperiodic, and graded arrangements have also been explored
as well. Here we... | null | null | null | null | null | null |
['Li, Dian', 'Liu, Ruikai', 'Zhao, Xiayun'] | 2021-11-18T18:43:02Z | 2021-11-18T18:43:02Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90463', 'http://dx.doi.org/10.26153/tsw/17384'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['temperature measurement', 'in-situ', 'metallic additive manufacturing'] | Overview of In-Situ Temperature Measurement for Metallic Additive Manufacturing: How and then What | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f34616d6-cf12-4b65-ac1f-188b68a0d35a/download | University of Texas at Austin | Additive manufacturing (AM) is important in industrial and economical domains but still
lacking process accuracy. In-situ measurement and process control can offer an effective solution.
In AM based on metals, the temperature field of melting pool has critical impacts on phase transformation and mechanical properties. ... | null | null | null | null | null | null |
Rosen, David W. | 2019-12-05T16:56:51Z | 2019-12-05T16:56:51Z | 2004 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78646', 'http://dx.doi.org/10.26153/tsw/5702'] | eng | 2004 International Solid Freeform Fabrication Symposium | Open | WTEC Additive/Subtractive | Overview of the WTEC Additive/Subtractive Manufacturing Study of European Research | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1848110b-0f6d-4425-9193-f12cecc633a4/download | null | As a follow-up to the 1996 JTEC/WTEC study of rapid prototyping research in Europe and
Japan, the 2003 Additive/Subtractive Manufacturing study assessed the evolution of RP
technologies and new developments in the area. The goal of this study was to gather information
on the worldwide status and trends in additive/subt... | null | null | null | null | null | null |
['Ma, Changyu', 'Lin, Yu-Keng', 'Zheng, Tianqi', 'Mallory, Phillip', 'Zhu, Jianhao', 'Morris Wang, Y.', 'Li, Xiaochun', 'Kang, Bruce', 'Li, Bingbing'] | 2024-03-26T16:44:48Z | 2024-03-26T16:44:48Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124367', 'https://doi.org/10.26153/tsw/50975'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['ODS SS316L', 'Y2O3', 'additive manufacturing', 'grain refinement'] | Oxide Dispersion Strengthened (ODS) SS316L Prepared by Laser Powder Bed Fusion (L-PBF): Analysis of Microstructure and Hardness Properties | Conference paper | https://repositories.lib.utexas.edu//bitstreams/121ab036-66e0-4bd9-a6a8-37bba7dfbfd2/download | University of Texas at Austin | In this paper, dense oxide dispersion-strengthened (ODS) SS316L with 0.5 wt.% Y2O3 was
fabricated using nano-Y2O3-embedded spherical SS316L powder via laser powder bed fusion (LPBF). The molten pool, oxide dispersion, cellular structure, and microhardness of the as-printed
ODS SS316L were investigated through optical m... | null | null | null | null | null | null |
['Wang, Xiangpang', 'Haiou, Zhang', 'Guilan, Wang'] | 2021-10-11T22:28:32Z | 2021-10-11T22:28:32Z | 8/16/13 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88669', 'http://dx.doi.org/10.26153/tsw/15603'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['complicated cavity part', 'discrete Voronoi diagram', 'distance map', 'path planning', 'additive manufacturing'] | Parallel Contour Path Planning for Complicated Cavity Part Fabrication using Voronoi-based Distance Map | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9691d893-782a-4260-8b64-c7591ed7f7cd/download | University of Texas at Austin | To generate parallel contour path for direct production of complicated cavity
component, a novel path planning based on Voronoi-based distance map is presented
in this paper. Firstly, the grid representation of polygonal slice is produced by
hierarchical rasterization using graphics hardware acceleration and divided in... | null | null | null | null | null | null |
['Kirschman, C.F.', 'Jara-Almonte, C.C.'] | 2018-04-18T17:41:00Z | 2018-04-18T17:41:00Z | 1992 | Mechanical Engineering | doi:10.15781/T2NS0MF5K | http://hdl.handle.net/2152/64365 | eng | 1992 International Solid Freeform Fabrication Symposium | Open | ['Mechanical Engineering Department', 'Center for Advanced Manufacturing', 'CAD system'] | A Parallel Slicing Algorithm for Solid Freeform Fabrication Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/444fb9f6-cf03-4c32-bba3-bf77599fe7f7/download | null | Slicing can accountfor more than 60% ofthe time to prepare apartforbuildingon astereolithographic apparatus. To improve the preparation time, aparallel slicing algorithm was developed. The algorithm was run on aButterfly GP1000 using 2,4,8, 16, and 32processors and superlinear speedup was observed due to high memory re... | null | null | null | null | null | null |
['Kumar, Kannan Suresh', 'Sparks, Todd E.', 'Liou, Frank'] | 2021-10-21T17:04:00Z | 2021-10-21T17:04:00Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89407 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['laser metal deposition', 'wire feed', 'wire feed additive manufacturing', 'process parameters'] | Parameter Determination and Experimental Validation of a Wire Feed Additive Manufacturing Model | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c6f65c6f-aeef-4a16-ba68-368e888be11e/download | University of Texas at Austin | Laser metal deposition with wire feed is one of the additive manufacturing methods with great
scope and robustness. Process parameters plays an important role in controlling the process and
obtaining an ideal manufactured part. Simulations tools are highly essential in determining the
ideal parameters and melt pool con... | null | null | null | null | null | null |
['Zhao, Xiayun', 'Rosen, David W.'] | 2021-10-21T18:21:04Z | 2021-10-21T18:21:04Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89418 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['Exposure Controlled Projection Lithography', 'interferometric curing monitoring', 'sensor model', 'calibration model'] | Parameter Estimation Based Real-Time Metrology for Exposure Controlled Projection Lithography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e5f2bcf1-9d33-4c88-b7a9-79b1b25a021d/download | University of Texas at Austin | Exposure Controlled Projection Lithography (ECPL) is a layerless mask-projection
stereolithography process, in which parts are fabricated from photopolymers on a stationary
transparent substrate. To enable advanced closed-loop control for ECPL, an in-situ
interferometric curing monitoring (ICM) system has been develope... | null | null | null | null | null | null |
['Zhu, Wei', 'Yan, Chunze', 'Yang, Jiayi', 'Wen, Shifeng', 'Shi, Yusheng'] | 2021-10-21T14:50:35Z | 2021-10-21T14:50:35Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89384 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['carbon fiber', 'epoxy resin', 'selective laser sintering', 'processing parameters', 'thermoplastics'] | Parameter Optimization for Preparing Carbon Fiber/Epoxy Composites by Selective Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/37106114-f8dc-4414-bcaf-66ad7d22f5c6/download | University of Texas at Austin | Carbon fiber (CF) reinforced thermosetting resin composites offer a wide range
of high performance features including excellent strength, modulus and thermal
resistance and light weight. Consequently, they are increasingly demanded by
aerospace and automotive industries due to the tighter requirements of the transport
... | null | null | null | null | null | null |
['Deng, Xioaming', 'Zong, Guisheng', 'Beaman, Joseph J.'] | 2018-04-19T16:42:03Z | 2018-04-19T16:42:03Z | 1992 | Mechanical Engineering | doi:10.15781/T2G15TT9P | http://hdl.handle.net/2152/64382 | eng | 1992 International Solid Freeform Fabrication Symposium | Open | ['Center for Materials Science and Engineering', 'Department of Mechanical Engineering', 'SLS'] | Parametric Analysis for Selective Laser Sintering of a Sample Polymer System | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b26e605b-13a0-4c84-8ecb-273ea3391661/download | null | null | null | null | null | null | null | null |
['Kyriazis, N.', 'Eine, J.', 'Thakur, A.R.'] | 2024-03-26T21:33:56Z | 2024-03-26T21:33:56Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124420', 'https://doi.org/10.26153/tsw/51028'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'deposition pressure', 'freeform', 'multiaxis'] | PARAMETRIC ANALYSIS OF DEPOSITION PRESSURE CONTROLLED MULTI-AXIS FREEFORM FABRICATION | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d222319e-a46c-4d5c-8e93-e5b7c5f8bd35/download | University of Texas at Austin | Additive manufacturing is being explored as one of the most promising in-space manufacturing techniques.
The presence of micro-gravity enables the fabrication of support-free sparse structures with ease. Sparse lattice
structures (e.g. trusses) are attractive for space applications as they can be tailored for specific ... | null | null | null | null | null | null |
['Martin Sun, Ming-shen', 'Beaman, Joseph J.', 'Barlow, Joel W.'] | 2018-04-10T19:28:33Z | 2018-04-10T19:28:33Z | 1990 | Mechanical Engineering | doi:10.15781/T2JM23Z8N | http://hdl.handle.net/2152/64251 | eng | 1990 International Solid Freeform Fabrication Symposium | Open | ['SSL', "Frenkel's sintering model", 'manufacturing process'] | Parametric Analysis of the Selective Laser Sintering Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/18e532ea-e5f6-4d63-a422-0719d115eaac/download | null | Qualitative and quantitative analyses are required to develop Selective Laser
Sintering into a viable Manufacturing process. A simplified mathematical model for
sintering incorporating the heat tJ;ansfer equation. and the sintering rate equation, but using
temperature independent thermal properties, is presented in thi... | null | null | null | null | null | null |
['Fadel, Georges', 'Ganti, Ravi'] | 2019-02-20T17:13:54Z | 2019-02-20T17:13:54Z | 1998 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73453', 'http://dx.doi.org/10.26153/tsw/605'] | eng | 1998 International Solid Freeform Fabrication Symposium | Open | ['Controller', 'galvanometers'] | Parametric Based Controller for Rapid Prototyping Applications | Conference paper | https://repositories.lib.utexas.edu//bitstreams/519fe92e-9e9d-45bd-921f-3092450ec0b3/download | null | A methodology aiming at reproducing in Rapid Prototyping applications, exact parametric
curves from CAD data is presented. The approach consists of converting the space-based parametric
curves from the CAD system into time-base, such that the equations of the curve in terms of time are
then fed to a controller directly... | null | null | null | null | null | null |
['Chen, Kenwei', 'Crawford, Richard H.', 'Beaman, Joseph J.'] | 2018-11-16T16:27:27Z | 2018-11-16T16:27:27Z | 1996 | Mechanical Engineering | doi:10.15781/T25D8P10H | http://hdl.handle.net/2152/70295 | eng | 1996 International Solid Freeform Fabrication Symposium | Open | ['SFF', 'tracking control algorithm', 'SLC'] | Parametric Representation of Part Contours in SLS Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6cf4b306-1a7d-4e40-bf2e-f3075ecdb121/download | null | Current layer-based SFF technologies process faceted geometric input data to produce
polygonal contours of the part's boundary in each layer. However, for improved part quality,
other more accurate representations of part contours are desirable. Likewise, implementation of
Wu's minimum time optimal laser tracking contr... | null | null | null | null | null | null |
['Zhang, Yizhuo', 'Chou, Y. Kevin'] | 2020-03-02T14:39:55Z | 2020-03-02T14:39:55Z | 9/14/06 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80128', 'http://dx.doi.org/10.26153/tsw/7149'] | eng | 2006 International Solid Freeform Fabrication Symposium | Open | fused deposition modeling | A Parametric Study of Part Distortions in FDM Using 3D FEA | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7f0b328d-4e09-405d-beba-604c1424b486/download | null | We developed a finite element model to simulate the fused deposition modeling (FDM)
process. The model considers the coupled thermal and mechanical analysis and incorporates the
element activation function to mimic the additive nature of FDM. Due to repetitive heating and
cooling in the FDM process, residual stresses a... | null | null | null | null | null | null |
['Sun, Dongwei', 'Li, Xuxiao', 'Tan, Wenda'] | 2021-11-02T15:19:57Z | 2021-11-02T15:19:57Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89827 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'stainless steel 316L', 'deposition track morphology', 'grain structure'] | A Parametric Study on Grain Structure in Selective Laser Melting Process for Stainless Steel 316L | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b54ac663-cb33-4715-af7b-4374910b3691/download | University of Texas at Austin | Laser Selective Melting (SLM) process is used in this work to produce 3-dimensional samples
of Stainless Steel (SS) 316L. The effects of laser power, scanning speed, and laser scanning
strategy on the track morphology and grain structure are investigated. As the laser heat input is
increased by increasing laser power a... | null | null | null | null | null | null |
['Pridham, M.S.', 'Thomson, G.'] | 2018-05-03T17:05:54Z | 2018-05-03T17:05:54Z | 1993 | Mechanical Engineering | doi:10.15781/T2N29PQ55 | http://hdl.handle.net/2152/65040 | eng | 1993 International Solid Freeform Fabrication Symposium | Open | ['Department of Applied Physics and Electronic and Manufacturing Engineering', '3-D welding', 'rapid prototyping', 'BRITE'] | Part Fabrication Using Laser Machining and Welding | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f2f2b584-cf7c-4c19-851d-c1b3c532095a/download | null | This paper describes the current work on a laser cutting and welding system for
the fabrication of prototype parts in mild and .. stainless steels. The relationship
to other rapid prototyping systems and to laminated tool production techniques is
discussed, the progress to date is described. Difficulties with current w... | null | null | null | null | null | null |
['Yardimci, M. Atif', 'Guceri, Selcuk I.', 'Agarwala, Mukesh', 'Danforth, Stephen C.'] | 2018-11-16T15:21:38Z | 2018-11-16T15:21:38Z | 1996 | Mechanical Engineering | doi:10.15781/T26D5PX1T | http://hdl.handle.net/2152/70287 | eng | 1996 International Solid Freeform Fabrication Symposium | Open | ['Fused Deposition', 'thermoplastic materials', 'process analysis'] | Part Quality Prediction Tools for Fused Deposition Processing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5228d33e-69e8-4fdd-bc91-4d0a2f085526/download | null | Fused Deposition process fabricates requested part geometries by sequentially depositing
discrete curvilinear beads ofmaterial next to and on top of each other. The part integrity
depends strongly on the bonding quality at the bead interfaces. Since diffusion bonding of
thermoplastic components in the material system i... | null | null | null | null | null | null |
['Zhang, Xinchang', 'Liou, Frank'] | 2021-11-16T16:29:21Z | 2021-11-16T16:29:21Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90336', 'http://dx.doi.org/10.26153/tsw/17257'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['remanufacturing', 'hybrid processing', 'direct laser deposition', 'component repair'] | Part Remanufacturing Using Hybrid Manufacturing Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/15782a05-d435-4112-835b-a219ce208600/download | University of Texas at Austin | Many users of high-performance metal parts, such as the aerospace industry, the mold/die
casting industry, and heavy machinery consumers, extend the service of these damaged parts by
employing remanufacturing technology. Additive manufacturing has unique capabilities, such as
low heat input, a small heat-affected zone,... | null | null | null | null | null | null |
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