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['Dai, K.', 'Shaw, L.']
2019-10-24T17:56:37Z
2019-10-24T17:56:37Z
2002
Mechanical Engineering
null
['https://hdl.handle.net/2152/77410', 'http://dx.doi.org/10.26153/tsw/4499']
eng
2002 International Solid Freeform Fabrication Symposium
Open
Densification
Preheating Effects on Multiple Material Laser Densification
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1e3e2522-f98a-4cfa-8e4b-9d04b9022317/download
null
A 3-dimensional thermomechanical model has been developed to study laser powder densification of multiple materials in the multi-materials laser densification (MMLD) process. Thermal and mechanical properties of the materials are porosity- and temperature-dependent. In particular, the effect of the chamber preheating o...
The authors gratefully acknowledge financial support provided by the National Science Foundation under Grant No: DMI-9908249.
null
null
null
null
null
['Saint John, David B.', 'Joshi, Sanjay B.', 'Simpson, Timothy W.', 'Qu, Meng', 'Rowatt, John David', 'Lou, Yucun']
2021-10-26T20:21:52Z
2021-10-26T20:21:52Z
2016
Mechanical Engineering
null
https://hdl.handle.net/2152/89576
eng
2016 International Solid Freeform Fabrication Symposium
Open
['laser-based powder bed fusion', 'additive manufacturing', 'Inconel 718', 'feedstock powders', 'build location', 'variability']
A Preliminary Examination of Variability Due to Build Location and Powder Feedstock in Additive Manufacture of Inconel 718 using Laser-Based Powder Bed Fusion
Conference paper
https://repositories.lib.utexas.edu//bitstreams/40e8a042-28a1-42e6-b7f6-1698585c81ec/download
University of Texas at Austin
The production of metallic parts by additive manufacturing (AM) is of significant interest to industry, but in the absence of standards, practical design considerations for manufacturing engineers are not widely known. Within the context of powder bed fusion (PBF), many unknowns persist regarding variations in part qua...
null
null
null
null
null
null
['Levy, Richard A.', 'Guduri, Sashidhar', 'Crawford, Richard H.']
2018-04-19T18:02:18Z
2018-04-19T18:02:18Z
1992
Mechanical Engineering
doi:10.15781/T2NK36N7B
http://hdl.handle.net/2152/64396
eng
1992 International Solid Freeform Fabrication Symposium
Open
['Department of Mechanical Engineering', 'computed tomographic data', 'CT data', 'Department of Mechanical Engineering', 'Department of Radiology']
Preliminary Experience with Selective Laser Sintigrapbic (SLS) Models of the Human Temporal Bone
Conference paper
https://repositories.lib.utexas.edu//bitstreams/ff1f7819-d86f-4401-aaa3-25070f1140c7/download
null
To assess the accuracy of three-dimensional models of the human temporal bone generated from computed tomographic (CT) data.
null
null
null
null
null
null
['Kumar, Pranav', 'Beck, Elizabeth', 'Das, Suman']
2019-11-15T16:20:58Z
2019-11-15T16:20:58Z
2003
Mechanical Engineering
null
['https://hdl.handle.net/2152/78421', 'http://dx.doi.org/10.26153/tsw/5508']
eng
2003 International Solid Freeform Fabrication Symposium
Open
Preliminary
Preliminary Investigations on the Deposition of Fine Powders Through Miniature Hopper-Nozzles Applied to Multi-Material Solid Freeform Fabrication
Conference paper
https://repositories.lib.utexas.edu//bitstreams/630ff6b0-6dce-46a1-ac23-fa0a34b0276a/download
null
A concept for multi-material solid freeform fabrication is proposed to enable the fabrication of heterogeneous components. This concept features nozzles designed for depositing thin layers of multiple patterned materials followed by selective laser sintering for consolidation to desired densities. Although prior work o...
null
null
null
null
null
null
['Niino, T.', 'Yamada, H.', 'Seki, S.']
2020-02-13T19:21:16Z
2020-02-13T19:21:16Z
2004
Mechanical Engineering
null
['https://hdl.handle.net/2152/79964', 'http://dx.doi.org/10.26153/tsw/6989']
eng
2004 International Solid Freeform Fabrication Symposium
Open
stereolithography
Preliminary Study for Transparentization of SLS Parts by Resin Infiltration
Conference paper
https://repositories.lib.utexas.edu//bitstreams/a1c94be4-a646-40bb-ba65-2825450566e3/download
null
Since opacity of SLS processed parts are derived from random reflection and refraction at boundaries of refractive indices between the air and plastic, infiltration of resin that shares the same index with the plastic can increase transparency of the parts. In this paper, desirable characteristics for the infiltrant we...
null
null
null
null
null
null
['Miyanaji, Hadi', 'Yang, Li', 'Zhang, Shanshan', 'Zandinejad, Amirali']
2021-10-13T20:04:11Z
2021-10-13T20:04:11Z
2014
Mechanical Engineering
null
['https://hdl.handle.net/2152/88774', 'http://dx.doi.org/10.26153/tsw/15708']
eng
2014 International Solid Freeform Fabrication Symposium
Open
['dental porcelain', 'aluminous porcelain', 'graded structure', '3D printing']
A Preliminary Study of the Graded Dental Porcelain Ceramic Structures Fabricated via Binder Jetting 3D Printing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/93f84829-aca1-46f3-9af9-1851b8869b6b/download
University of Texas at Austin
Dental porcelain is a common material used for various dental restoration structures including crowns, bridges and veneers. However, the current designs of all-ceramic porcelain restorations lack sufficient mechanical property controls, which results in increased failure rates. In this study, dental porcelain ceramics ...
null
null
null
null
null
null
['Fei, Guanghai', 'Wei, Tiwei', 'Shi, Qimin', 'Guo, Yongjian', 'Oprins, Herman', 'Yang, Shoufeng']
2021-11-30T20:29:15Z
2021-11-30T20:29:15Z
2019
Mechanical Engineering
null
['https://hdl.handle.net/2152/90537', 'http://dx.doi.org/10.26153/tsw/17456']
eng
2019 International Solid Freeform Fabrication Symposium
Open
['hybrid manufacturing', 'electronics devices', 'stereolithography', 'adhesion', 'thermal reliability']
Preliminary Study on Hybrid Manufacturing of the Electronic-Mechanical Integrated Systems (EMIS) via the LCD Stereolithography Technology
Conference paper
https://repositories.lib.utexas.edu//bitstreams/c8c147ce-d701-4882-bde8-ccef83a41d95/download
University of Texas at Austin
Compared to limited complexity capacity in traditional fabrication and assembly techniques, Additive Manufacturing (AM)-based hybrid fabrication is emerging in electronics industry for fabricating complex structures and simplifying the assembly steps. In this study, the fabrication process of the Electronic-Mechanical ...
null
null
null
null
null
null
['Raval, Jay K.', 'Kazi, Aamer A.', 'Guo, Xiangyu', 'Zvanut, Ryan', 'Lee, Chabum', 'Tai, Bruce L.']
2021-12-06T23:24:51Z
2021-12-06T23:24:51Z
2021
Mechanical Engineering
null
['https://hdl.handle.net/2152/90715', 'http://dx.doi.org/10.26153/tsw/17634']
eng
2021 International Solid Freeform Fabrication Symposium
Open
['AM machinery', 'tool failure', 'surface finish', 'Ti-6Al-4V', 'additive manufacturing']
Preliminary Study on Machining of Additively Manufactured Ti-6Al-4V
Conference paper
https://repositories.lib.utexas.edu//bitstreams/32fc39b7-7610-4be4-8d11-17f886432998/download
University of Texas at Austin
Additively manufactured metals differ from their conventionally produced counterparts due to the inherent material inhomogeneity, porosity, and thermal stress induced by the process. These differences make the machining of additively manufactured metals more difficult and cause premature tool failure or unexpected surf...
null
null
null
null
null
null
['Yildirim, E.', 'Yin, X.', 'Guceri, S.', 'Sun, W.']
2020-02-27T19:50:50Z
2020-02-27T19:50:50Z
2006
Mechanical Engineering
null
['https://hdl.handle.net/2152/80098', 'http://dx.doi.org/10.26153/tsw/7119']
eng
2006 International Solid Freeform Fabrication Symposium
Open
single-walled carbon nanotubes
A Preliminary Study on Using Multi-Nozzle Polymer Deposition System to Fabricate Composite Alginate/Carbon Nanotube Tissue Scaffolds
Conference paper
https://repositories.lib.utexas.edu//bitstreams/5693b5d8-64b5-4102-bfa8-73de52e96705/download
null
Three-dimensional composite alginate/single wall carbon nanotube (SWCNT) scaffolds encapsulated with endothelial cells were fabricated by a multi-nozzle biopolymer freeform deposition system. This system enables the converting of CAD designed scaffold pattern into process toolpaths and the use of computer control progr...
null
null
null
null
null
null
['Bailey, Alta C.', 'Merriman, Abbey', 'Elliott, Amelia', 'Basti, Mufeed M,']
2021-10-28T14:51:17Z
2021-10-28T14:51:17Z
2016
Mechanical Engineering
null
https://hdl.handle.net/2152/89656
eng
2016 International Solid Freeform Fabrication Symposium
Open
['part density', 'binder effect', 'nanoparticle effect', 'binder jetting']
Preliminary Testing of Nanoparticle Effectiveness in Binder Jetting Applications
Conference paper
https://repositories.lib.utexas.edu//bitstreams/e44a23fd-c1a3-4588-ad62-36e463205bc0/download
University of Texas at Austin
Binder jetting works by selectively depositing a binder with an inkjet print head into layers of powdered material. Compared with other metal Additive Manufacturing (AM) processes, binder jetting has significant potential for near-term adoption in manufacturing environments due to its reliability and throughput. The Ac...
null
null
null
null
null
null
['Crocker, James E.', 'Sun, Lianchao', 'Shaw, Leon L.', 'Marcus, Harris L.']
2019-02-26T20:15:31Z
2019-02-26T20:15:31Z
1998
Mechanical Engineering
null
['https://hdl.handle.net/2152/73494', 'http://dx.doi.org/10.26153/tsw/644']
eng
1998 International Solid Freeform Fabrication Symposium
Open
['SALDVI', 'macro-component']
Preparation and Properties of In-Situ Devices Using the SALD and SALDVI Techniques
Conference paper
https://repositories.lib.utexas.edu//bitstreams/7085d303-1e63-4204-b56d-0d67f00eed5e/download
null
One of the many advantages of Selective Area Laser Deposition (SALD) and Selective Area Laser Deposition Vapor Infiltration (SALDVI) is that they can be used to embed in-situ micro-sensors within macro-components. A single-point SiC/C thermocouple sensor embedded within a SiC macro-component and electrically insulated ...
null
null
null
null
null
null
['Regenfuss, P.', 'Streek, A.', 'Hartwig, L.', 'Klötzer, S.', 'Brabant, Th.', 'Horn, M.', 'Ebert, R.', 'Exner, H.']
2020-03-05T20:15:51Z
2020-03-05T20:15:51Z
9/14/06
Mechanical Engineering
null
['https://hdl.handle.net/2152/80156', 'http://dx.doi.org/10.26153/tsw/7177']
eng
2006 International Solid Freeform Fabrication Symposium
Open
Laser Micro Sintering
Principles of Laser Micro Sintering
Conference paper
https://repositories.lib.utexas.edu//bitstreams/b52774c0-49c3-4e7f-807f-5ef422c2e6d1/download
null
Laser Micro Sintering was introduced to the international community of freeform fabrication engineers in 2003 and has since been employed for a variety of applications. It owes its unique features to certain effects of q-switched pulses that formerly had been considered detrimental in selective laser sintering. Besides...
null
null
null
null
null
null
['Hoopes, Zachary A.', 'Karschner, Michael L.', 'Kelly, Jocelynn', 'Miney, William B.', 'Ounaies, Zoubeida', 'Basak, Amrita']
2021-12-06T21:18:45Z
2021-12-06T21:18:45Z
2021
Mechanical Engineering
null
['https://hdl.handle.net/2152/90674', 'http://dx.doi.org/10.26153/tsw/17593']
eng
2021 International Solid Freeform Fabrication Symposium
Open
['direct ink writing', 'DIW', 'biopolymer', 'ethyl cellulose', 'printability']
Printability Assessment of Cellulose-Based Polymer Structures using Direct Ink Writing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/9e1135df-5709-4c33-b36d-5f45857e0ae8/download
University of Texas at Austin
In this paper, we demonstrate the preparation and printing of ethyl cellulose, a cellulose derivative, using a custom-modified direct ink writing (DIW) printer. Ethyl cellulose (EC) is widely used as a thin-film coating in controlled-release vitamins and medical pills as well as a thickener in the food, cosmetics, and ...
null
null
null
null
null
null
['Jones, J.B.', 'Wimpenny, D.I.', 'Chudasama, R.', 'Gibbons, G.J.']
2021-10-05T14:45:35Z
2021-10-05T14:45:35Z
8/17/11
Mechanical Engineering
null
['https://hdl.handle.net/2152/88384', 'http://dx.doi.org/10.26153/tsw/15323']
ita
2011 International Solid Freeform Fabrication Symposium
Open
['laser printing', 'selective deposition', 'fiber laser consolidation', 'selective processing', 'printed circuit boards']
Printed Circuit Boards By Selective Deposition and Processing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/705d5fc4-8119-44a7-a0b5-fd057eee0149/download
University of Texas at Austin
With electronic applications on the horizon for AM, comes the dilemma of how to consolidate conductors, semi-conductors, and insulators in close proximity. To answer this challenge, laser printing (selective deposition) was used in tandem with fiber laser consolidation (selective processing) to produce PCBs for the fir...
null
null
null
null
null
null
['Foster, Diana', 'Corey, Chris', 'Fisher, Chris', 'Smith, Caitlin', 'Paolella, Arthur']
2021-11-30T20:54:18Z
2021-11-30T20:54:18Z
2019
Mechanical Engineering
null
['https://hdl.handle.net/2152/90544', 'http://dx.doi.org/10.26153/tsw/17463']
eng
2019 International Solid Freeform Fabrication Symposium
Open
['quasi-optical', 'millimeter', 'wave guide', 'lens systems', 'radio frequency', 'CLIP', 'PolyJet', 'SLS', 'radar', 'space', 'communications']
Printed Materials and Their Effects on Quasi-Optical Millimeter Wave Guide Lens Systems
Conference paper
https://repositories.lib.utexas.edu//bitstreams/5339d167-2e7e-4835-96c3-ebd21edb3417/download
University of Texas at Austin
This study of 3D printed quasi-optical (Q-O) millimeter wave guide lens systems is presented in three phases: the characterization of 3D printed materials for radio frequency (RF) applications and systems; the development and demonstration of 3D printing technology for RF systems; and the design process, simulation, fa...
null
null
null
null
null
null
['Periard, Daniel', 'Malone, Evan', 'Lipson, Hod']
2020-03-10T16:02:16Z
2020-03-10T16:02:16Z
9/5/07
Mechanical Engineering
null
['https://hdl.handle.net/2152/80218', 'http://dx.doi.org/10.26153/tsw/7237']
eng
2007 International Solid Freeform Fabrication Symposium
Open
freeform fabrication
Printing Embedded Circuits
Conference paper
https://repositories.lib.utexas.edu//bitstreams/73f38f5c-1fd6-4ee4-8332-2c447d223337/download
null
Automated manufacturing technologies such as freeform fabrication can greatly reduce the cost and complexity of infrastructure required to manufacture unique devices or invent new technologies. Multi-material freeform fabrication processes under development have the potential to automatically build complete functional ...
null
null
null
null
null
null
['Periard, Dan', 'Schaal, Noy', 'Schaal, Maor', 'Malone, Evan', 'Lipson, Hod']
2020-03-10T16:20:10Z
2020-03-10T16:20:10Z
8/21/07
Mechanical Engineering
null
['https://hdl.handle.net/2152/80223', 'http://dx.doi.org/10.26153/tsw/7242']
eng
2007 International Solid Freeform Fabrication Symposium
Open
freeform fabrication
Printing Food
Conference paper
https://repositories.lib.utexas.edu//bitstreams/b8502579-6a20-43a5-a4f6-9272b600bd45/download
null
This paper examines the possible applications of food as a raw material in freeform fabrication, and provides several demonstrations of edible three-dimensional objects. The use of edible materials offers several advantages: First, it opens the door to the application of SFF technology in custom food industry, such as ...
null
null
null
null
null
null
['Rosen, David W.', 'Margolin, Lauren', 'Vohra, Sanjay']
2020-03-11T15:19:56Z
2020-03-11T15:19:56Z
9/10/08
Mechanical Engineering
null
['https://hdl.handle.net/2152/80249', 'http://dx.doi.org/10.26153/tsw/7268']
eng
2008 International Solid Freeform Fabrication Symposium
Open
ultrasonic actuation
Printing High Viscosity Fluids using Ultrasonic Droplet Generation
Conference paper
https://repositories.lib.utexas.edu//bitstreams/25f51b61-7710-4f3a-89fa-de5a9a549d94/download
null
A new printing technology based on ultrasonic actuation (~1 MHz) is presented that has the potential to print high viscosity fluids. In this paper, we describe the print-head’s operating principles and construction. Acoustic focusing in the nozzles produces high pressure gradients that help eject the fluid which, under...
null
null
null
null
null
null
["O'Donnell, M.", 'Budan, J.', 'McGuire, J.', 'Jalagam, P.', 'Kulkarni, Achyuth', 'Ansell, T.Y.']
2024-03-25T22:39:12Z
2024-03-25T22:39:12Z
2023
Mechanical Engineering
null
['https://hdl.handle.net/2152/124326', 'https://doi.org/10.26153/tsw/50934']
en_US
2023 International Solid Freeform Fabrication Symposium
Open
['hydrophobic surfaces', 'stainless steel', 'graphene', 'additive manufacturing']
PRINTING HYDROPHOBIC STAINLESS STEEL GRAPHENE COMPOSITES
Conference paper
https://repositories.lib.utexas.edu//bitstreams/02a70354-1db8-4c06-a1c9-8a086235ed79/download
University of Texas at Austin
Hydrophobic surfaces have low surface energies, which prevents water droplets from wetting the surface. Metals typically have high surface energies leading to highly wettable, hydrophilic behavior. Nano-structuring metallic surfaces could be a way of making a metallic surface hydrophobic potentially leading to improved...
null
null
null
null
null
null
['Granizo, Juan', 'Gribbins, Cassandra', 'Steinhauer, Heidi']
2021-11-08T23:35:23Z
2021-11-08T23:35:23Z
2018
Mechanical Engineering
null
['https://hdl.handle.net/2152/90078', 'http://dx.doi.org/10.26153/tsw/16999']
eng
2018 International Solid Freeform Fabrication Symposium
Open
['printing orientation', 'implicit', 'additive manufacturing', 'middle school students', 'high school students']
Printing Orientation and How Implicit It Is
Conference paper
https://repositories.lib.utexas.edu//bitstreams/dc8c844c-8ba2-4ec6-ae67-4dfe538764ea/download
University of Texas at Austin
A study on how implicit the printing orientation is for people with no previous experience in additive manufacturing was conducted. The study was developed with middle and high school students divided into two groups, where only one group was introduced a series of activities to show the importance of printing orientat...
null
null
null
null
null
null
['Norris, Marshall', 'Fidan, Ismail']
2024-03-26T21:39:10Z
2024-03-26T21:39:10Z
2023
Mechanical Engineering
null
['https://hdl.handle.net/2152/124423', 'https://doi.org/10.26153/tsw/51031']
en_US
2023 International Solid Freeform Fabrication Symposium
Open
['additive manufacturing', 'metallic paste', '17-4PH', 'parameter optimization', 'response surface']
PRINTING PARAMETER OPTIMIZATION OF EXTRUDED METAL PASTE BY RESPONSE SURFACE TECHNIQUE
Conference paper
https://repositories.lib.utexas.edu//bitstreams/306d6744-b5d5-41c4-b698-c17367e6ec92/download
University of Texas at Austin
This research is focused on optimizing printing parameters using the response surface (RS) methodology. When printing parameters are not optimized, the resulting prints contain an unacceptable surface finish, porosity, or the print fails entirely as the lower portion of the print will not be able to withstand the weigh...
null
null
null
null
null
null
['Zhang, Jingwei', 'Liou, Frank', 'Seufzer, William', 'Newkirk, Joseph', 'Fan, Zhiqiang', 'Liu, Heng', 'Sparks, Todd E.']
2021-10-11T22:26:10Z
2021-10-11T22:26:10Z
8/16/13
Mechanical Engineering
null
['https://hdl.handle.net/2152/88668', 'http://dx.doi.org/10.26153/tsw/15602']
eng
2013 International Solid Freeform Fabrication Symposium
Open
['microstructure evolution', 'metal solidification', 'laser based additive manufacturing', 'Cellular Automaton - Finite Element', 'metal deposition']
Probabilistic Simulation of Solidification Microstructure Evolution During Laser-Based Metal Deposition
Conference paper
https://repositories.lib.utexas.edu//bitstreams/c9f27299-6b7e-447f-af4c-c943da56c078/download
University of Texas at Austin
A predictive model, based on a Cellular Automaton (CA) - Finite Element (FE) method, has been developed to simulate microstructure evolution during metal solidification for a laser based additive manufacturing process. The macroscopic FE calculation was designed to update the temperature field and simulate a high cooli...
null
null
null
null
null
null
['Lak, Sui Man', 'Li, Chi Chung', 'Toombs, Joseph', 'de Beer, Martin', 'Taylor, Hayden']
2024-03-26T21:42:53Z
2024-03-26T21:42:53Z
2023
Mechanical Engineering
null
['https://hdl.handle.net/2152/124424', 'https://doi.org/10.26153/tsw/51032']
en_US
2023 International Solid Freeform Fabrication Symposium
Open
['tomographic fuorescence imaging', 'temperature', 'degree-of-conversion', 'additive manufacturing']
Probing Temperature and Degree-of-conversion States via Tomographic Fluorescence Imaging
Conference paper
https://repositories.lib.utexas.edu//bitstreams/2b9a0def-165e-4b2d-be6e-5356bf178411/download
University of Texas at Austin
Tomographic volumetric additive manufacturing rapidly solidifies freeform objects via photopolymerization, which raises both local temperature and degree-of-conversion (DOC). Insitu monitoring of temperature and DOC during the printing process is crucial for metrology and process control. In this study, we propose a to...
null
null
null
null
null
null
['De Coninck, H.', 'Dejans, A.', 'Meyers, S.', 'Buls, S.', 'Kinds, Y.', 'Soete, J.', 'Van Puyvelde, P.', 'Van Hooreweder, B.']
2024-03-25T22:51:58Z
2024-03-25T22:51:58Z
2023
Mechanical Engineering
null
['https://hdl.handle.net/2152/124328', 'https://doi.org/10.26153/tsw/50936']
en_US
2023 International Solid Freeform Fabrication Symposium
Open
['Polyamide 12', 'glass fibres', 'fibre/matrix behaviour', 'glass fibre sizing', 'laser sintering', 'deposition system', 'additive manufacturing']
PROCESS AND MATERIAL OPTIMISATIONS FOR INTEGRATION OF CHOPPED GLASS FIBRES IN LASER SINTERED POLYMER PARTS
Conference paper
https://repositories.lib.utexas.edu//bitstreams/2e85d4d9-2634-4f37-8779-a9b2db3286e4/download
University of Texas at Austin
Additively manufactured polymer composites gain popularity in a variety of industries such as aerospace, biomedical and automotive. Laser sintering (LS) is a well-known AM process that typically uses polyamide which can serve as matrix material. Hence LS has the potential to produce reinforced polymers that can meet de...
null
null
null
null
null
null
['Artreya, S.', 'Kalaitzidou, K.', 'Das, S.']
2021-09-29T14:57:24Z
2021-09-29T14:57:24Z
2009-09
Mechanical Engineering
null
['https://hdl.handle.net/2152/88189', 'http://dx.doi.org/10.26153/tsw/15130']
eng
2009 International Solid Freeform Fabrication Symposium
Open
['electrically conductive polymer composites', 'Selective Laser Sintering', 'Nylon-12', 'electrical conductivity']
Process and Properties of Carbon Black-Filled Electrically Conductive Nylon-12 Nanocomposites Produced by Selective Laser Sintering
Conference paper
https://repositories.lib.utexas.edu//bitstreams/ff634746-d7fe-49eb-88ca-a986c63a1da0/download
University of Texas at Austin
Electrically conductive polymer composites are suitable for use in the manufacture of antistatic products and components for electronic interconnects fuel cells and electromagnetic shielding. Selective laser sintering (SLS) was used to investigate the fabrication of electrically conductive nanocomposites of Nylon-12 fi...
null
null
null
null
null
null
['Branner, G.', 'Strasser, G.', 'Zaeh, M.F.']
2020-03-09T14:50:59Z
2020-03-09T14:50:59Z
9/5/07
Mechanical Engineering
null
['https://hdl.handle.net/2152/80189', 'http://dx.doi.org/10.26153/tsw/7208']
eng
2007 International Solid Freeform Fabrication Symposium
Open
indirect metal laser sintering
Process Chain for Numerical Simulation of IMLS
Conference paper
https://repositories.lib.utexas.edu//bitstreams/411bab75-ccde-4443-b6a1-c30772755415/download
null
Additive layer manufacturing methods imply, among other advantages, extensive flexibility concerning their ability to realize mass customization. Despite various efforts towards process enhancement, numerous deficiencies concerning part distortion or residual stresses are still observable. The present work deals with t...
null
null
null
null
null
null
['Kovacevic, R.', 'Beardsley, H.']
2019-02-19T16:51:33Z
2019-02-19T16:51:33Z
1998
Mechanical Engineering
null
['https://hdl.handle.net/2152/73429', 'http://dx.doi.org/10.26153/tsw/581']
eng
1998 International Solid Freeform Fabrication Symposium
Open
['rapid prototyping', 'stereolithography']
Process Control of 3D Welding as a Droplet-Based Rapid Prototyping Technique
Conference paper
https://repositories.lib.utexas.edu//bitstreams/f9ed1f6e-a110-4a69-8e02-122c9f652a41/download
null
Three-dimensional welding is investigated as a rapid prototyping technique for the production of real Inetallic parts using gas metal arc welding principles. A high speed machine vision system is used to study the correlation between droplet transfer parameters and resultant weld penetration characteristics. Experiment...
null
null
null
null
null
null
Landers, Robert G.
2019-11-20T16:32:28Z
2019-11-20T16:32:28Z
2003
Mechanical Engineering
null
['https://hdl.handle.net/2152/78475', 'http://dx.doi.org/10.26153/tsw/5560']
eng
2003 International Solid Freeform Fabrication Symposium
Open
Laser Metal
Process Control of Laser Metal Deposition Manufacturing - A Simulation Study
Conference paper
https://repositories.lib.utexas.edu//bitstreams/b7b6fadc-4c5f-4af7-a5d0-a0190986a26b/download
null
The laser metal deposition process is a rapid manufacturing operation capable of producing functional prototypes with complex geometries and thin sections. This process inherently contains significant uncertainties and, therefore, extensive experimentation must be performed to determine suitable process parameters. An ...
The author gratefully acknowledges the financial support of the National Science Foundation (DMI–9871185), Society of Manufacturing Engineers (#02022–A), Missouri Research Board, and UMR’s Intelligent Systems Center.
null
null
null
null
null
['Das, Suman', 'Crawford, Richard H.', 'Beaman, J.J.']
2018-04-18T17:35:58Z
2018-04-18T17:35:58Z
1992
Mechanical Engineering
doi:10.15781/T2SF2MV5H
http://hdl.handle.net/2152/64364
eng
1992 International Solid Freeform Fabrication Symposium
Open
['Department of Mechanical Engineering', 'High Temperature Workstation', 'HTW']
Process Control System for a High Temperature Workstation performing the Selective Laser Sintering Process
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1b464dec-275e-4400-8c92-da06e0b64f4f/download
null
Thispaper describes the design and implementation ofa Computer Process Control System for a High Temperature Workstation performing Selective Laser Sintering of metal and .ceramic powders. As compared to our previous machine [1], the increased complexity and sophistication .of·the.new workstation [21 requires a variety...
null
null
null
null
null
null
Tille, Carsten
2020-02-13T19:51:58Z
2020-02-13T19:51:58Z
2004
Mechanical Engineering
null
['https://hdl.handle.net/2152/79970', 'http://dx.doi.org/10.26153/tsw/6995']
eng
2004 International Solid Freeform Fabrication Symposium
Open
Stereolithography
Process Errors and Aspects for Higher Resolution in Conventional Stereolithography
Conference paper
https://repositories.lib.utexas.edu//bitstreams/dcc10f81-2bed-40bb-a78f-070ea4a5030f/download
null
Due to the rapid development of precision manufacturing technologies, there is a growing market need for appropriate rapid prototyping methods with higher resolution. This paper presents aspects for a general optimization of stereolithography accuracy and gives a deeper analysis of important process errors. Beside a hi...
null
null
null
null
null
null
Chi, Chen
2018-11-16T14:57:33Z
2018-11-16T14:57:33Z
1996
Mechanical Engineering
doi:10.15781/T2KP7VB2P
http://hdl.handle.net/2152/70284
eng
1996 International Solid Freeform Fabrication Symposium
Open
['LOM', 'rapid prototyping', '3-dimensional objects']
Process Insight About LOM Systems
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1567cc04-f0ca-4b9c-a8d5-7ae979d154a6/download
null
A Laminated Object Manufacturing (LOM) machine offers much freedom in terms ofsystem parameters: laser cutting speed, laser power setting, roller speed, roller temperature, and so on. Because ofthis freedom, users can choose any number, within certain limitations, to create wellconstructed objects. Obviously, each user...
null
null
null
null
null
null
['Lehmann, Maja', 'Zaeh, Michael F.']
2021-11-16T15:57:27Z
2021-11-16T15:57:27Z
2019
Mechanical Engineering
null
['https://hdl.handle.net/2152/90323', 'http://dx.doi.org/10.26153/tsw/17244']
eng
2019 International Solid Freeform Fabrication Symposium
Open
['cobalt gradient', 'WC-Co', 'sintering', 'binder jetting', 'nanoparticles']
Process Integrated Production of WC-Co Tools with Local Cobalt Gradient Fabricated by Binder Jetting
Conference paper
https://repositories.lib.utexas.edu//bitstreams/decc78aa-9a02-4f5f-9178-ed9a8965e7ce/download
University of Texas at Austin
Producing complex shaped tungsten carbide cobalt (WC-Co) tools by classical technologies is difficult and often impossible due to their high hardness and brittle fracture behavior. Additive Manufacturing (AM) is a suitable technology for creating complex structures and simultaneously shortening expensive machining proc...
null
null
null
null
null
null
['Cooke, A.L.', 'Moylan, S.P.']
2021-10-04T20:30:55Z
2021-10-04T20:30:55Z
8/17/11
Mechanical Engineering
null
['https://hdl.handle.net/2152/88340', 'http://dx.doi.org/10.26153/tsw/15279']
eng
2011 International Solid Freeform Fabrication Symposium
Open
['process intermittent measurements', 'additive manufacturing', 'three-dimensional printing']
Process Intermittent Measurement for Powder-Bed Based Additive Manufacturing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/3bc4c474-d37a-4c0a-9036-37651f7f6f26/download
University of Texas at Austin
Process intermittent measurements of parts fabricated by additive manufacturing (AM) can enable both process improvement and characterization of internal part geometries. The planar, layer-upon-layer nature of most AM processes allows two-dimensional geometric measurements with a vision system, because the part’s curre...
null
null
null
null
null
null
['Beuth, Jack', 'Fox, Jason', 'Gockel, Joy', 'Montgomery, Colt', 'Yang, Rui', 'Qiao, Haipeng', 'Soylemez, Emrecan', 'Reeseewatt, Pete', 'Anvari, Amin', 'Narra, Sneha', 'Klingbeil, Nathan']
2021-10-11T21:54:40Z
2021-10-11T21:54:40Z
2013
Mechanical Engineering
null
['https://hdl.handle.net/2152/88656', 'http://dx.doi.org/10.26153/tsw/15590']
eng
2013 International Solid Freeform Fabrication Symposium
Open
['additive manufacturing', 'process mapping', 'direct metal deposition', 'melt pool geometry', 'microstructure']
Process Mapping for Qualification Across Multiple Direct Metal Additive Manufacturing Processes
Conference paper
https://repositories.lib.utexas.edu//bitstreams/c5b02008-133b-4e40-893d-96f1d557e8c6/download
University of Texas at Austin
This paper gives an overview of work by the authors developing process mapping methods for additive manufacturing (AM), capturing the dependence of melt pool geometry and microstructure on primary processing variables under steady-state and transient conditions. This work is being applied to the task of process qualifi...
null
null
null
null
null
null
['Montgomery, Colt', 'Beuth, Jack', 'Sheridan, Luke', 'Klingbeil, Nathan']
2021-10-21T17:57:06Z
2021-10-21T17:57:06Z
2015
Mechanical Engineering
null
https://hdl.handle.net/2152/89411
eng
2015 International Solid Freeform Fabrication Symposium
Open
['laser powder bed additive manufacturing', 'nickel superalloys', 'Inconel 625', 'process mapping']
Process Mapping of Inconel 625 in Laser Powder Bed Additive Manufacturing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/f4262fbd-f005-4f4d-800e-b3cc5bab848f/download
University of Texas at Austin
Understanding laser powder bed additive manufacturing of nickel superalloys is important for the widespread adoption of the technology. To promote adoption, melt pool geometry as well as microstructure prediction and control must be thoroughly understood. In this research Inconel 625 is investigated to determine optima...
null
null
null
null
null
null
['Fox, Jason', 'Beuth, Jack']
2021-10-11T22:00:47Z
2021-10-11T22:00:47Z
2013
Mechanical Engineering
null
['https://hdl.handle.net/2152/88658', 'http://dx.doi.org/10.26153/tsw/15592']
eng
2013 International Solid Freeform Fabrication Symposium
Open
['wire feed electron beam additive manufacturing', 'additive manufacturing', 'process mapping', 'Ti-6Al-4V', '3D finite element simulation', 'aerospace']
Process Mapping of Transient Melt Pool Response in Wire Feed E-Beam Additive Manufacturing of Ti-6Al-4V
Conference paper
https://repositories.lib.utexas.edu//bitstreams/2cb071b2-260f-409d-92c4-83a324cd55f2/download
University of Texas at Austin
Wire feed electron beam additive manufacturing processes are candidates for manufacturing and repair in the aerospace industry. In order to implement feedback or feedforward control approaches, the time needed for a change in process variables to translate into changes in melt pool dimensions is a critical concern. In ...
null
null
null
null
null
null
['Vasinonta, Aditad', 'Beuth, Jack', 'Griffith, Michelle']
2019-09-23T15:37:40Z
2019-09-23T15:37:40Z
2000
Mechanical Engineering
null
['https://hdl.handle.net/2152/75939', 'http://dx.doi.org/10.26153/tsw/3038']
eng
2000 International Solid Freeform Fabrication Symposium
Open
Residual
Process Maps for Controlling Residual Stress and Melt Pool Size in Laser-Based SFF Processes 200
Conference paper
https://repositories.lib.utexas.edu//bitstreams/aefec396-2f89-499f-b0ab-1b0dcb30124f/download
null
Thermal control of solid freeform fabrication processes is critical for obtaining consistent build conditions and in limiting residual stress-induced tolerance losses. In this paper, thermomechanical models are presented for the building of thin-walled structures by laser-based SFF processes. The simulations are used t...
This research has been supported by the National Science Foundation under grant DMI9700320 and by Sandia National Laboratories under grant BE-0792.
null
null
null
null
null
['Vasinonta, Aditad', 'Beuth, Jack', 'Griffith, Michelle']
2019-03-17T13:35:45Z
2019-03-17T13:35:45Z
1999
Mechanical Engineering
null
['https://hdl.handle.net/2152/73697', 'http://dx.doi.org/10.26153/tsw/839']
eng
1999 International Solid Freeform Fabrication Symposium
Open
['LENS', 'SFF']
Process Maps for Laser Deposition of Thin-Walled Structures
Conference paper
https://repositories.lib.utexas.edu//bitstreams/5cec0fd7-2ad3-431a-9573-c406fb46342c/download
null
In solid freeform fabrication (SFF) processes involving thermal deposition, thermal control of the process is critical for obtaining consistent deposition conditions and in limiting residual stress-induced warping of parts. In this research, nondimensionalized plots (termed process maps) are developedJrom numerical mod...
null
null
null
null
null
null
['Wang, J.', 'Zhao, C.', 'Zhang, Y.', 'Jariwala, A.', 'Rosen, D.']
2021-11-04T14:56:55Z
2021-11-04T14:56:55Z
2017
Mechanical Engineering
null
https://hdl.handle.net/2152/89977
eng
2017 International Solid Freeform Fabrication Symposium
Open
['exposure controlled projection lithography', 'ECPL', 'photopolymerization', 'process modeling', 'in-situ monitoring', 'real-time']
Process Modeling and In-Situ Monitoring of Photopolymerization for Exposure Controlled Projection Lithography (ECPL)
Conference paper
https://repositories.lib.utexas.edu//bitstreams/95c33e40-fd1f-45ad-9ed2-6fc600328633/download
University of Texas at Austin
Exposure controlled projection lithography (ECPL) is an additive manufacturing process in which photopolymer resin is used to fabricate three-dimensional features. During this process, UV curing radiation, controlled by a dynamic mask, is projected through a transparent substrate onto the resin. COMSOL software has bee...
null
null
null
null
null
null
['Appana, S.', 'Ross, S.M.', 'Sims, C.', 'Schwerzel, R.', 'Jariwala, A.S.']
2024-03-26T21:47:10Z
2024-03-26T21:47:10Z
2023
Mechanical Engineering
null
['https://hdl.handle.net/2152/124425', 'https://doi.org/10.26153/tsw/51033']
en_US
2023 International Solid Freeform Fabrication Symposium
Open
['fuild interface supported printing', 'stereolithography', 'resin', 'additive manufacturing']
PROCESS MODELING FOR FLUID-INTERFACE SUPPORTED RESIN PRINTING
Conference paper
https://repositories.lib.utexas.edu//bitstreams/eb9a68d2-a9fd-4748-bd28-505427e9910f/download
University of Texas at Austin
The article details the latest design and implementation of a stereolithography (SLA) based technique, Fluid Interface Supported Printing (FISP). The FISP technique involves printing from a thin resin layer above a static, immiscible support fluid. The support fluid prevents deflection of overhanging geometry by provid...
null
null
null
null
null
null
['Griffis, J.C.', 'Shahed, K.S.', 'Okwudire, C.E.', 'Manogharan, G.P.']
2024-03-26T20:14:16Z
2024-03-26T20:14:16Z
2023
Mechanical Engineering
null
['https://hdl.handle.net/2152/124390', 'https://doi.org/10.26153/tsw/50998']
en_US
2023 International Solid Freeform Fabrication Symposium
Open
['laser powder bed fusion', 'process modeling', 'additive manufacturing']
PROCESS MODELING OF MULTI-MATERIAL LASER POWDER BED FUSION
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1a8b2f6a-b0cc-4385-8415-e7d99f1656f4/download
University of Texas at Austin
Thermomechanical simulation of the laser powder bed fusion process has been a valuable tool to help researchers and practitioners across the AM production cycle. For instance: Design for AM (DfAM), material development, process mapping, prediction, and support generations, among others. In this study, multi-material la...
null
null
null
null
null
null
['Munjuluri, N.', 'Agarwal, S.', 'Liou, F.W.']
2019-09-23T15:47:20Z
2019-09-23T15:47:20Z
2000
Mechanical Engineering
null
['https://hdl.handle.net/2152/75943', 'http://dx.doi.org/10.26153/tsw/3042']
eng
2000 International Solid Freeform Fabrication Symposium
Open
Modeling
Process Modeling, Monitoring and Control of Laser Metal Forming 235
Conference paper
https://repositories.lib.utexas.edu//bitstreams/f633aec5-ea6b-43d3-b042-0b126494f346/download
null
Laser Metal Forming (LMF) process is one of the prominent Rapid Prototyping (RP) process that can be used to develop functional and fully dense metal parts. This paper addresses process modeling, monitoring and control of a laser metal forming system currently under development at Laser Aided Manufacturing Processes (L...
This research was supported by the National Science Foundation Grant Number DMI-9871185, Missouri Research Board, and a grant from the Missouri Department of Economic Development through the MRTC grant
null
null
null
null
null
['Wegner, A.', 'Witt, G.']
2021-10-04T22:14:17Z
2021-10-04T22:14:17Z
8/17/11
Mechanical Engineering
null
['https://hdl.handle.net/2152/88364', 'http://dx.doi.org/10.26153/tsw/15303']
eng
2011 International Solid Freeform Fabrication Symposium
Open
['laser sintering', 'process monitoring', 'thermal imaging']
Process Monitoring in Laser Sintering Using Thermal Imaging
Conference paper
https://repositories.lib.utexas.edu//bitstreams/6200bf44-1010-4093-bf7b-5a7249a82191/download
University of Texas at Austin
In laser sintering, inhomogeneous shrinkage, warpage, in-build curling and poor repeatability of part properties are well-known problems. All these effects are significantly influenced by the inhomogeneous temperature distribution on the powder bed surface. For this reason, it is often asked for the integration of addi...
null
null
null
null
null
null
['Nassar, A.R.', 'Starr, Brandon', 'Reutzel, E.W.']
2021-10-19T19:13:34Z
2021-10-19T19:13:34Z
2015
Mechanical Engineering
null
https://hdl.handle.net/2152/89327
eng
2014 International Solid Freeform Fabrication Symposium
Open
['spectroscopy-based imaging', 'spectroscopy', 'directed energy deposition', 'Inconel-718', 'plume geometry']
Process Monitoring of Directed-Energy Deposition of Inconel-718 via Plume Imaging
Conference paper
https://repositories.lib.utexas.edu//bitstreams/be9b3423-8b66-408b-bdd9-9cae29c54578/download
University of Texas at Austin
Laser-metal interactions typically results in vaporization and plume formation. These phenomena are complex and depend upon the details of the laser-vapor-melt interactions. As such, plume characteristics are sensitive to changes in process characteristics. Here, a spectroscopy-based imaging technique is presented for ...
null
null
null
null
null
null
['Leslie Budden, Christian', 'Lalwani, Aakil Raj', 'Meinert, Kenneth Ælkær', 'Daugaard, Anders Egede', 'Pedersen, David Bue']
2023-01-19T20:20:13Z
2023-01-19T20:20:13Z
2022
Mechanical Engineering
null
['https://hdl.handle.net/2152/117252', 'http://dx.doi.org/10.26153/tsw/44133']
eng
2022 International Solid Freeform Fabrication Symposium
Open
PA11
Process optimisation of PA11 in fiber-laser powder-bed fusion through loading of an optical absorber
Conference paper
https://repositories.lib.utexas.edu//bitstreams/28001ace-6d24-4270-884c-9ae6cd97e992/download
null
Industrial laser processing is rapidly shifting towards fiber lasers with wavelengths between 780nm and 2200nm. This can be largely contributed to the excellent beam properties and, ease of operation. However, for Additive Manufacturing of polymers, CO2 lasers at wavelengths of 10,6µm are pre- dominantly used. CO2 lase...
null
null
null
null
null
null
['Kempen, K.', 'Thijs, L.', 'Yasa, E.', 'Badrossamay, M.', 'Verheecke, W.', 'Kruth, J.-P.']
2021-10-05T13:47:43Z
2021-10-05T13:47:43Z
8/17/11
Mechanical Engineering
null
['https://hdl.handle.net/2152/88371', 'http://dx.doi.org/10.26153/tsw/15310']
eng
2011 International Solid Freeform Fabrication Symposium
Open
['AlSi10Mg', 'Selective Laser Melting', 'process optimization', 'microstructural analysis', 'heat sinks']
Process Optimization and Microstructural Analysis for Selective Laser Melting of AlSi10Mg
Conference paper
https://repositories.lib.utexas.edu//bitstreams/bb26039f-60c4-4fe2-9b57-60499f0b387e/download
University of Texas at Austin
AlSi10Mg is a typical casting alloy which is, due to its high strength/density ratio and thermal properties, highly demanded in aerospace and automotive industries [1]. The alloy combination of aluminium, silicon and magnesium results in a significant increase in strength and hardness which might even reach 300 MPa and...
null
null
null
null
null
null
['Keicher, D.M.', 'Lavin, J.M.', 'Appelhans, L.N.', 'Whetten, S.R.', 'Essien, M.', 'Mani, S.S.', 'Moore, P.B.', 'Cook, A.', 'Acree, N.A.', 'Young, N.P.', 'Russell, M.J.']
2021-10-28T19:23:55Z
2021-10-28T19:23:55Z
2016
Mechanical Engineering
null
https://hdl.handle.net/2152/89674
eng
2016 International Solid Freeform Fabrication Symposium
Open
['process optimization', 'aerosol based printing', 'film properties', 'capacitors']
Process Optimization of Aerosol Based Printing of Polyimide for Capacitor Application
Conference paper
https://repositories.lib.utexas.edu//bitstreams/b95f08ee-e39c-4e5a-91c3-8c3e2b74ecf5/download
University of Texas at Austin
Direct write printing approaches provide the opportunity for additive manufacturing (AM) to impact the electronics industry. This class of technologies provides a path to cost effectively print electronic components in low volume, high mix production. The printed electronics technologies provide an opportunity to explo...
null
null
null
null
null
null
['Hirsch, A.', 'Hecker, F.', 'Moritzer, E.']
2021-11-18T01:14:26Z
2021-11-18T01:14:26Z
2019
Mechanical Engineering
null
['https://hdl.handle.net/2152/90387', 'http://dx.doi.org/10.26153/tsw/17308']
eng
2019 International Solid Freeform Fabrication Symposium
Open
['arburg plastic freeforming', 'APF', 'optimization', 'process parameter', 'mechanical properties']
Process Parameter Optimization to Improve the Mechanical Properties of Arburg Plastic Freeformed Components
Conference paper
https://repositories.lib.utexas.edu//bitstreams/0e735e75-6caa-4b9a-8494-874b3edd6a83/download
University of Texas at Austin
The Arburg Plastic Freeforming (APF) is an additive manufacturing process that allows three-dimensional, thermoplastic components to be produced in layer by layer. The components are generated by depositing fine, molten plastic droplets. One of the main advantages of the APF process is the open machine control. Thus, t...
null
null
null
null
null
null
['Yang, Y.', 'Janaki Ram, G. D.', 'Stucker, B. E.']
2020-03-05T20:21:25Z
2020-03-05T20:21:25Z
9/14/06
Mechanical Engineering
null
['https://hdl.handle.net/2152/80157', 'http://dx.doi.org/10.26153/tsw/7178']
eng
2006 International Solid Freeform Fabrication Symposium
Open
Ultrasonic Consolidation
Process Parameters Optimization for Ultrasonically Consolidated Fiber-Reinforced Metal Matrix Composites
Conference paper
https://repositories.lib.utexas.edu//bitstreams/d4fcf669-c792-4f97-8560-a9214573f8af/download
null
As an emerging rapid prototyping technology, Ultrasonic Consolidation (UC) has been used to successfully fabricate metal matrix composites (MMC). The intent of this study is to identify the optimum combination of processing parameters, including oscillation amplitude, welding speed, normal force, operating temperature ...
null
null
null
null
null
null
['Pinilla, J. Miguel', 'Kao, Ju-Hsien', 'Prinz, Fritz B.']
2019-02-20T17:15:42Z
2019-02-20T17:15:42Z
1998
Mechanical Engineering
null
['https://hdl.handle.net/2152/73454', 'http://dx.doi.org/10.26153/tsw/606']
eng
1998 International Solid Freeform Fabrication Symposium
Open
['CNC machining', 'surface']
Process Planning and Automation for Additive-Subtractive Solid Freeform Fabrication
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1de24334-da86-41ad-8cd4-55371fa5d822/download
null
New additive-subtractive processes promise to enhance SFF capability from prototyping to true low-volume production. However, to maintain the same degree of process automation as in currently available processes like SLA or SLS, more sophisticated planning and execution systems need to be developed. The system we prese...
null
null
null
null
null
null
['Deuser, Brad', 'Tang, Lie', 'Geldmeiner, Jeff', 'Landers, Robert G.', 'Leu, Ming C.']
2021-10-05T13:25:43Z
2021-10-05T13:25:43Z
8/17/11
Mechanical Engineering
null
['https://hdl.handle.net/2152/88365', 'http://dx.doi.org/10.26153/tsw/15304']
eng
2011 International Solid Freeform Fabrication Symposium
Open
['additive manufacturing', 'functionally graded materials', 'process planning', 'control system', 'Freeze-form Extrusion Fabrication']
Process Planning and Control for Functionally Graded Material Fabrication Using Freeze-Form Extrusion Fabrication
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1cc81895-acf2-4899-a686-244700c7994b/download
University of Texas at Austin
Using multiple materials in additive manufacturing technologies is critical for building parts with functionally gradient geometries. In order to achieve a desired material gradient, an advanced process planning and control system is required. This paper details the development of a process planning method and control ...
null
null
null
null
null
null
['West, Aaron', 'Rosen, David W.']
2019-03-08T17:48:52Z
2019-03-08T17:48:52Z
1999
Mechanical Engineering
null
['https://hdl.handle.net/2152/73573', 'http://dx.doi.org/10.26153/tsw/715']
eng
1999 International Solid Freeform Fabrication Symposium
Open
['Stereolithography', 'Process Planning']
Process Planning Based on User Preferences
Conference paper
https://repositories.lib.utexas.edu//bitstreams/d5d0d424-03a0-4c1f-aa1c-8e36293e621e/download
null
Typical approaches to adaptive slicing in previous literature have typically used surface finish requirements to control the slicing process. As a result, slice schemes improve the part's surface quality, but do not enable explicit trade-offs between finish and build time. The purpose of this article is to present a pr...
null
null
null
null
null
null
['Dwivedi, Rajeev', 'Kovacevic, Radovan']
2019-11-08T15:23:37Z
2019-11-08T15:23:37Z
2003
Mechanical Engineering
null
['https://hdl.handle.net/2152/78321', 'http://dx.doi.org/10.26153/tsw/5408']
eng
2002 International Solid Freeform Fabrication Symposium
Open
Multi-axis Deposition
Process Planning for Solid Freeform Fabrication Based on Laser-Additive Multi-axis Deposition
Conference paper
https://repositories.lib.utexas.edu//bitstreams/61a1e414-619b-4460-9e98-bdebf43772c8/download
null
This paper describes a new approach for rapid prototyping based on volumetric skeletonization. Contrary to most of the popular techniques for Solid Freeform Fabrication (SSF) based on 2-1/2 -axis layering as planar slices, this approach suggests the growth of the component along all three coordinate axes. While this ap...
This work was financially supported by THECB (Texas Higher Education Coordinating Board) Grants 003613-0022-1999 and 003613-0016-2001, NSF (National Science Foundation) Grants DMI-9732848 and DMI-9809198 and by the US Department of Education Grant P200A80806-98.
null
null
null
null
null
['Lynn, Charity M.', 'West, Aaron', 'Rosen, David W.']
2019-02-22T17:24:03Z
2019-02-22T17:24:03Z
1998
Mechanical Engineering
null
['https://hdl.handle.net/2152/73462', 'http://dx.doi.org/10.26153/tsw/612']
eng
1998 International Solid Freeform Fabrication Symposium
Open
['CAD', 'Stereolithography']
A Process Planning Method and Data Format for Achieving Tolerances in Stereolithography
Conference paper
https://repositories.lib.utexas.edu//bitstreams/8d38cdd9-c084-419a-9c85-457f4e2f9213/download
null
When building parts in a stereolithography apparatus (SLA), the user is faced with many decis!ons regarding the setting of process variables. To 'achieve a set of tolera~ces as closely as pOSSIble, relationships between part geometry, tolerances, and process v~nables ~ust be understood quantitatively. This paper presen...
null
null
null
null
null
null
['Jariwala, Amit S.', 'Jones, Harrison', 'Kwatra, Abhishek', 'Rosen, David W.']
2021-10-07T15:35:45Z
2021-10-07T15:35:45Z
2013
Mechanical Engineering
null
['https://hdl.handle.net/2152/88483', 'http://dx.doi.org/10.26153/tsw/15417']
eng
2013 International Solid Freeform Fabrication Symposium
Open
['Exposure Controlled Projection Lithography', 'process planning', 'lens shaped structure', 'flat transparent substrates']
Process Planning Method for Exposure Controlled Projection Lithography
Conference paper
https://repositories.lib.utexas.edu//bitstreams/88b211a5-c463-436e-b8ed-33b948ee16d0/download
University of Texas at Austin
An Exposure Controlled Projection Lithography (ECPL) process with the ability to cure lens shaped structures on transparent substrates is presented. This process can be used to create microlenses and micro fluidic channels on flat or curved substrates. Incident radiation, patterned by a dynamic mask, passes through a t...
null
null
null
null
null
null
['Limaye, Ameya', 'Rosen, David']
2020-03-09T14:23:37Z
2020-03-09T14:23:37Z
2007
Mechanical Engineering
null
['https://hdl.handle.net/2152/80183', 'http://dx.doi.org/10.26153/tsw/7202']
eng
2007 International Solid Freeform Fabrication Symposium
Open
Mask Projection Stereolithography
Process Planning to Build Mask Projection Stereolithography Parts with Accurate Vertical Dimensions
Conference paper
https://repositories.lib.utexas.edu//bitstreams/91348463-fc1b-4de8-85f2-1151a5ff23cb/download
null
Mask Projection Stereolithography (MPSLA) is a high resolution manufacturing process that builds parts layer by layer in a photopolymer. In this paper, we formulate a process planning method to cure MPSLA parts with accurate vertical dimensions. To this effect, we have formulated and validated the “Layer cure” model th...
null
null
null
null
null
null
['Niino, Toshiki', 'Oizumi, Shunsuke', 'Sato, Kazuki']
2021-09-23T22:57:56Z
2021-09-23T22:57:56Z
9/10/08
Mechanical Engineering
null
['https://hdl.handle.net/2152/88049', 'http://dx.doi.org/10.26153/tsw/14990']
eng
2008 International Solid Freeform Fabrication Symposium
Open
['laser sintering process', 'inorganic filler', '3D tissue engineering scaffold']
Process Resolution of Laser Sintering Process Using Plastic Powder Containing Inorganic Filler at a High Rate
Conference paper
https://repositories.lib.utexas.edu//bitstreams/e801ef41-373a-460c-8db3-6e9fe733cbcb/download
null
Research is being performed on a laser sintering process in which inorganic filler is employed as porogen at a high content to fabricate highly porous three dimensional tissue engineering scaffold. Previously, the scaffold, which included capillary like flow channel network, was used in cell culture test, but obtained ...
null
null
null
null
null
null
['Schmidt, J.', 'Dechet, M.A.', 'Gómez Bonilla, J.S.', 'Bück, A.', 'Peukert, W.']
2021-11-18T01:37:25Z
2021-11-18T01:37:25Z
2019
Mechanical Engineering
null
['https://hdl.handle.net/2152/90395', 'http://dx.doi.org/10.26153/tsw/17316']
eng
2019 International Solid Freeform Fabrication Symposium
Open
['process routes', 'process chains', 'blend powders', 'polybutylene terephthalate-polycarbonate', 'PBT-PC', 'selective laser sintering']
Process Routes Towards Novel Polybutylene Terephthalate – Polycarbonate Blend Powders for Selective Laser Sintering
Conference paper
https://repositories.lib.utexas.edu//bitstreams/e9515b14-1f78-4090-a2ed-b30a5bb3a976/download
University of Texas at Austin
Additive manufacturing techniques, such as powder bed fusion (PBF) of polymers, often referred to as laser sintering (LS) or selective laser sintering (SLS), generate components directly from a CAD data set without using a specific mold. The range of materials commercially available for SLS merely includes some semi cr...
null
null
null
null
null
null
['Birnbaum, Andrew', 'Aggarangsi, Pruk', 'Beuth, Jack']
2019-11-20T16:51:21Z
2019-11-20T16:51:21Z
2003
Mechanical Engineering
null
['https://hdl.handle.net/2152/78483', 'http://dx.doi.org/10.26153/tsw/5568']
eng
2003 International Solid Freeform Fabrication Symposium
Open
Process Scaling
Process Scaling and Transient Melt Pool Size Control in Laser-Based Additive Manufacturing Processes
Conference paper
https://repositories.lib.utexas.edu//bitstreams/a7d3a262-5f90-4fdc-963b-1705290f5f01/download
null
This modeling research considers two issues related to the control of melt pool size in laser-based additive manufacturing processes. First, the problem of process size scale is considered, with the goal of applying knowledge developed at one processing size scale (e.g. the LENSTM process, using a 500 watt laser) to si...
This research was supported by the National Science Foundation Division of Design, Manufacture and Industrial Innovation, through the Materials Processing and Manufacturing Program, award number DMI-0200270.
null
null
null
null
null
['Brice, C.A.', 'Schwendner, K.l.', 'Mahaffey, D.W.', 'Moore, E.H.', 'Fraser, H.L.']
2019-03-15T16:13:50Z
2019-03-15T16:13:50Z
1999
Mechanical Engineering
null
['https://hdl.handle.net/2152/73687', 'http://dx.doi.org/10.26153/tsw/829']
eng
1999 International Solid Freeform Fabrication Symposium
Open
['manufacturing', 'technology']
Process Variable Effects on Laser Deposited Ti-6Al-4V
Conference paper
https://repositories.lib.utexas.edu//bitstreams/bf86ec6d-f87a-48ce-9c8b-c0a3c7ac3eca/download
null
An initial study ofthe processing parameters affecting deposition quality ofTi-6AI-4V was conducted using the LENSTM direct laser deposition system. The significant number ofprocess variables presents a problem in determining relative effects. A few ofthe easily identifiable variables were isolated and the deposits wer...
null
null
null
null
null
null
['Geis, J.', 'Reichwein, J.', 'Merschroth, H.', 'Kirchner, E.', 'Weigold, M.']
2023-03-29T16:27:38Z
2023-03-29T16:27:38Z
2022
Mechanical Engineering
null
['https://hdl.handle.net/2152/117681', 'http://dx.doi.org/10.26153/tsw/44560']
eng
2022 International Solid Freeform Fabrication Symposium
Open
L-PBF
Process-controlled Grading of the Young's Modulus of AlSi10Mg Components Using L-PBF
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1d95af48-dcf6-44bc-8d5a-9f805f93e18d/download
null
Laser Powder Bed Fusion (L-PBF) increases freedom in the design of components and is therefore well suited for the manufacturing of complex geometries tailored to their function. In addition, it is possible to influence the microstructural characteristics of the components by varying the process parameters during th...
null
null
null
null
null
null
['Budde, L.', 'Schwarz, N.', 'Hermsdorf, J.', 'Kaierle, S.', 'Overmeyer, L.']
2024-03-26T23:21:30Z
2024-03-26T23:21:30Z
2023
Mechanical Engineering
null
['https://hdl.handle.net/2152/124448', 'https://doi.org/10.26153/tsw/51056']
en_US
2023 International Solid Freeform Fabrication Symposium
Open
['direct energy deposition', 'laser deposition', 'wiring', 'alloy', 'additive manufacturing']
PROCESS-INTEGRATED ALLOY ADJUSTMENT IN LASER DEPOSITION WELDING WITH TWO WIRES
Conference paper
https://repositories.lib.utexas.edu//bitstreams/c2c92688-ea4d-4ae1-a1ca-278ec2340a70/download
University of Texas at Austin
For Direct Energy Deposition (DED) with wire as filler material, the material selection is mostly limited to commercially available welding wires. This limits the achievable material properties for cladding and Additive Manufacturing purposes. Using a coaxial deposition welding head, in which two different wires can be...
null
null
null
null
null
null
['Agarwal, Kuldeep', 'Houser, Matthew', 'Vangapally, Sairam', 'Vulli, Arun Kumar']
2021-11-02T15:49:01Z
2021-11-02T15:49:01Z
2017
Mechanical Engineering
null
https://hdl.handle.net/2152/89834
eng
2017 International Solid Freeform Fabrication Symposium
Open
['nylon-fiberglass', 'process parameters', 'mechanical properties', 'Taguchi design of experiments', 'design of experiments', 'additive manufacturing']
Process-Property Relationships in Additive Manufacturing of Nylon-Fiberglass Composites Using Taguchi Design of Experiments
Conference paper
https://repositories.lib.utexas.edu//bitstreams/57e94b15-b829-4266-b50a-e95eb3b2163d/download
University of Texas at Austin
Composite Filament Fabrication (CFF) process, similar to Fused Deposition Modeling (FDM) can extrude a fiber along with a plastic. The process has two nozzles, one that can extrude Nylon and another that can extrude a fiber such as Fiberglass, Kevlar or Carbon Fiber. The mechanical properties of the parts produced by t...
null
null
null
null
null
null
['Lado, Lionardo', 'Ataollahi, Saeed', 'Yadollahi, Aref', 'Mahtabi, Mohammad J.']
2023-01-26T15:25:54Z
2023-01-26T15:25:54Z
2022
Mechanical Engineering
null
['https://hdl.handle.net/2152/117316', 'http://dx.doi.org/10.26153/tsw/44197']
eng
2022 International Solid Freeform Fabrication Symposium
Open
['Microstructure-sensitive fatigue', 'Additive manufacturing', 'Ti-6Al-4V', 'EBM', 'LENS', 'SLM']
Process-Specific Microstructure-Sensitive Modeling of Fatigue in Additively Manufactured Ti-6Al-4V Alloys
Conference paper
https://repositories.lib.utexas.edu//bitstreams/341f7b4e-c1c1-45f0-acd1-7d14392a57be/download
null
Thanks to its high strength-to-weight ratio and corrosion resistance, Ti-6Al-4V has gained a lot of attention in additive manufacturing (AM) of complex parts with aerospace and medical applications. The realistic loading condition in these applications is mostly cyclic, thus fatigue failure is the main mode of failu...
null
null
null
null
null
null
['Lado, Lionardo', 'Ataollahi, Saeed', 'Yadollah, Aref', 'Mahtabi, Mohammad J.']
2023-01-09T19:31:58Z
2023-01-09T19:31:58Z
2022
Mechanical Engineering
null
['https://hdl.handle.net/2152/117171', 'http://dx.doi.org/10.26153/tsw/44052']
null
2022 International Solid Freeform Fabrication Symposium
Open
['microstructure-sensitive fatigue', 'Additive manufacturing', 'Ti-6Al-4V', 'EBM', 'LENS', 'SLM']
Process-specific Microstructure-sensitive Modeling of Fatigue in Additively Manufactured Ti-6Al-4V Alloys
Conference paper
https://repositories.lib.utexas.edu//bitstreams/ccf1e46e-d840-4e88-97a6-01692f350777/download
null
Thanks to its high strength-to-weight ratio and corrosion resistance, Ti-6Al-4V has gained a lot of attention in additive manufacturing (AM) of complex parts with aerospace and medical applications. The realistic loading condition in these applications is mostly cyclic, thus fatigue failure is the main mode of failure....
null
null
null
null
null
null
['Karg, M.', 'Ahuja, B.', 'Kuryntsev, S.', 'Gorunov, A.', 'Schmidt, M.']
2021-10-12T22:50:12Z
2021-10-12T22:50:12Z
2014
Mechanical Engineering
null
['https://hdl.handle.net/2152/88762', 'http://dx.doi.org/10.26153/tsw/15696']
eng
2014 International Solid Freeform Fabrication Symposium
Open
['Laser Beam Melting', 'powder bed', 'aluminum-copper alloys', 'AW-2022', 'AW-2024', 'Additive Manufacturing']
Processability of high strength Aluminum-Copper alloys AW-2022 and 2024 by Laser Beam Melting in Powder Bed
Conference paper
https://repositories.lib.utexas.edu//bitstreams/5b3206b3-fd34-4901-9040-5398be5af7ac/download
University of Texas at Austin
Additive Manufacturing offers geometric freedom excellently suited for topology optimized light weight designs. Ideally these should be produced from materials of high strength to weight ratio such as aluminium-copper alloys. Yet these are considered unsuitable for welding. With Laser Beam Melting of Metals in powder b...
null
null
null
null
null
null
['Singer, C.', 'Platt, S.', 'Horn, M.', 'Binder, M.', 'Piechotta, M.', 'Wegner, J.', 'Kleszczynski, S.', 'Seidel, C.', 'Witt, G.', 'Schilp, J.']
2021-12-06T21:31:41Z
2021-12-06T21:31:41Z
2021
Mechanical Engineering
null
['https://hdl.handle.net/2152/90678', 'http://dx.doi.org/10.26153/tsw/17597']
eng
2021 International Solid Freeform Fabrication Symposium
Open
['processability', 'laser-based powder bed fusion', 'PBF-LB', 'soda-lime glass']
Processability of Soda-Lime Glass in Laser-Based Powder Bed Fusion
Conference paper
https://repositories.lib.utexas.edu//bitstreams/97f8cbce-21a2-46b6-a7fe-0cd65b06288e/download
University of Texas at Austin
Processing of electrically insulating materials with high temperature resistance is a major challenge in laser-based powder bed fusion (PBF-LB). Glasses form a promising material class, which also offers the potential for manufacturing optical or electronic components while having high chemical resistance. Therefore, t...
null
null
null
null
null
null
['Gupta, Ankit', 'Hasanov, Seymur', 'Fidan, Ismail']
2021-11-18T16:37:58Z
2021-11-18T16:37:58Z
2019
Mechanical Engineering
null
['https://hdl.handle.net/2152/90420', 'http://dx.doi.org/10.26153/tsw/17341']
eng
2019 International Solid Freeform Fabrication Symposium
Open
['additive manufacturing', 'PMC', 'SF', 'tensile strength', '3D printing', 'microhardness']
Processing and Characterization of 3D-Printed Polymer Matrix Composites Reinforced with Discontinuous Fibers
Conference paper
https://repositories.lib.utexas.edu//bitstreams/39ef9c26-d12f-42c2-9202-0d59534b3d26/download
University of Texas at Austin
The objective of this study is to fabricate discontinuous fiber (short fiber) reinforced polymer matrix composite material (CM) by additive manufacturing (AM) technology using single extruder 3D printer. For this study, short carbon fibers (diameter = 7.2μm, length = 150μm) reinforced filaments were extruded with fiber...
null
null
null
null
null
null
['Jiang, Kaiyi', 'Guo, Yanling', 'Bourell, David L.']
2021-10-13T19:41:51Z
2021-10-13T19:41:51Z
2014
Mechanical Engineering
null
['https://hdl.handle.net/2152/88772', 'http://dx.doi.org/10.26153/tsw/15706']
eng
2014 International Solid Freeform Fabrication Symposium
Open
['laser sintering', 'eucalyptus-polyamide 12', 'EPA12', 'wood powder']
Processing and Characterizations of Eucalyptus-PA12 Composite by Laser Sintering
Conference paper
https://repositories.lib.utexas.edu//bitstreams/7209b72b-016d-4828-b2fb-b9247893158c/download
University of Texas at Austin
To meet the existing requirements to make Laser Sintering (LS) technology more economical and environmentally friendly, a new type of low cost sustainable material (eucalyptus-polyamide 12 (EPA12) composite) was developed. This paper presents initial research into the LS PA12 with wood powder additions. EPA12 mixed in ...
null
null
null
null
null
null
['Xiong, Y.', 'Smugeresky, J. E.', 'Lavernia, E. J.', 'Schoenung, J. M.']
2020-03-10T17:39:57Z
2020-03-10T17:39:57Z
9/10/08
Mechanical Engineering
null
['https://hdl.handle.net/2152/80237', 'http://dx.doi.org/10.26153/tsw/7256']
eng
2008 International Solid Freeform Fabrication Symposium
Open
Laser Engineered Net Shaping
Processing and Microstructure of WC-CO Cermets by Laser Engineering Net Shaping
Conference paper
https://repositories.lib.utexas.edu//bitstreams/2481f2cc-3d15-41ff-87eb-cd06c64142f6/download
null
Submicron-sized tungsten carbide-cobalt (WC-Co) powder and nanostructured WC-Co powder were applied to make thick wall samples by the Laser Engineered Net Shaping (LENS®) process. It was found that decomposition and decarburization of WC was limited during laser deposition because of the features of the LENS® process: ...
null
null
null
null
null
null
['He, Yinfeng', 'Kilsby, Sam', 'Tuck, Chris', 'Wildman, Ricky', 'Christie, Steven', 'Edmonson, Steven', 'Yang, Hongyi']
2021-10-07T17:38:53Z
2021-10-07T17:38:53Z
2013
Mechanical Engineering
null
['https://hdl.handle.net/2152/88491', 'http://dx.doi.org/10.26153/tsw/15425']
eng
2013 International Solid Freeform Fabrication Symposium
Open
['biodegradable Polycaprolactone', '3D printing', 'biodegradable processing', 'PCL']
Processing Biodegradable Polycaprolactone through 3D Printing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/71065317-cec8-4c12-9553-80ec068f62e8/download
University of Texas at Austin
An initial study of processing biodegradable Polycaprolactone (PCL) through 3D printing technology was conducted using Fujifilm Dimatix DMP-2800 material printer. The aim of this work was to investigate a potential method of preparing and processing biodegradable polycaprolactone through 3D printing. PCL inks with a co...
null
null
null
null
null
null
['Spierings, A.B.', 'Bauer, T.', 'Dawson, K.', 'Colella, A.', 'Wegener, K.']
2021-10-20T22:40:25Z
2021-10-20T22:40:25Z
2015
Mechanical Engineering
null
https://hdl.handle.net/2152/89379
eng
2015 International Solid Freeform Fabrication Symposium
Open
['Selective Laser Melting', 'additive manufacturing', 'ODS materials', 'microstructure']
Processing ODS Modified IN-625 Using Selective Laser Melting
Conference paper
https://repositories.lib.utexas.edu//bitstreams/e80a9e3d-acf7-45e5-875c-5e7d07dd6852/download
University of Texas at Austin
Increasing the operating temperatures of power plant turbine generators is a universal method to increase the efficiency of steam and gas turbines. However, operating a plant at higher temperatures poses extreme challenges to the materials used, especially regarding oxidation, creep, thermal fatigue- and stress-corrosi...
null
null
null
null
null
null
['Bose, Susmita', 'Avila, Marisol', 'Bandyopadhyay, Amit']
2019-02-27T17:39:20Z
2019-02-27T17:39:20Z
1998
Mechanical Engineering
null
['https://hdl.handle.net/2152/73507', 'http://dx.doi.org/10.26153/tsw/657']
eng
1998 International Solid Freeform Fabrication Symposium
Open
['SFF', 'bioceramic implants']
Processing of Bioceramic Implants Via Fused Deposition Process
Conference paper
https://repositories.lib.utexas.edu//bitstreams/efcd328a-4100-4a54-afb1-ed94f0443336/download
null
Porous ceramic structures have long been a subject of investigation as bone sl..bstitute. Most of these porous structures are typically made by techniques that result .randomly arranged pores with a wide variety of pore sizes. In recent years, SFF methods are being used for the fabrication of porous bioceramic implants...
null
null
null
null
null
null
['Greer, Chad', 'McLaurin, Juli', 'Ogale, Amod A.']
2018-11-14T17:43:51Z
2018-11-14T17:43:51Z
1996
Mechanical Engineering
doi:10.15781/T2028PZ9Z
http://hdl.handle.net/2152/70248
eng
1996 International Solid Freeform Fabrication Symposium
Open
['ADPU', '3D photolithography', 'pure resins']
Processing of Carbon Fiber Reinforced Composites by Three Dimensional Photolithography
Conference paper
https://repositories.lib.utexas.edu//bitstreams/a72cacbe-deb2-4232-ba93-44fae8bc8296/download
null
The reinforcement of photoresins with continuous carbon fibers is discussed in this paper. The processing was conducted in an automated desktop photolithography unit (ADPU) developed and built in-house. Continuous fibers were added in situ to the photoresin to obtain composite samples containing over 20 vol% of the fib...
null
null
null
null
null
null
['Campanelli, Carlo', 'Wildman, Ricky D.', 'Tuck, Christopher J.']
2021-11-11T16:13:08Z
2021-11-11T16:13:08Z
2018
Mechanical Engineering
null
['https://hdl.handle.net/2152/90232', 'http://dx.doi.org/10.26153/tsw/17153']
eng
2018 International Solid Freeform Fabrication Symposium
Open
['part processing', 'fluoropolymers', 'laser sintering']
Processing of High Performance Fluoropolymers by Laser Sintering
Conference paper
https://repositories.lib.utexas.edu//bitstreams/33dcf6a0-4114-4276-8ddb-50cf40a12c82/download
University of Texas at Austin
One of the main limitations of laser sintering (LS) is its narrow material portfolio. Fluoropolymers are a family of polymers with outstanding properties such as wide service temperatures (−260 °C - +260 °C), excellent resistance to chemicals, sunlight, flames, and weathering without the addition of stabilizers, plasti...
null
null
null
null
null
null
['Spierings, A.B.', 'Leinenbach, C.', 'Kenel, C.', 'Wegener, K.']
2021-10-13T21:33:31Z
2021-10-13T21:33:31Z
2014
Mechanical Engineering
null
['https://hdl.handle.net/2152/88787', 'http://dx.doi.org/10.26153/tsw/15721']
eng
2014 International Solid Freeform Fabrication Symposium
Open
['Selective Laser Melting', 'hybrid materials', 'metal matrix composite', 'diamonds', 'microstructure']
Processing of Metal-Diamond-Composites using Selective Laser Melting
Conference paper
https://repositories.lib.utexas.edu//bitstreams/b4801699-6900-421b-accc-ff3f3e8ad7d9/download
University of Texas at Austin
Powder-bed based additive manufacturing processes such as Selective Laser Melting (SLM) offer a huge degree of freedom, both in terms of part design and material options. In that respect, mixtures of different materials in powder form can offer new ways for the manufacture of materials with tailored properties for spec...
null
null
null
null
null
null
['Safari, A.', 'Danforth, S. C.', 'Panda, R. K.', 'McNulty, T. F.', 'Mohammadi, F.', 'Bandyopadhyay, A.']
2018-12-05T20:00:15Z
2018-12-05T20:00:15Z
1997
Mechanical Engineering
doi:10.15781/T2S17TC9D
http://hdl.handle.net/2152/71408
eng
1997 International Solid Freeform Fabrication Symposium
Open
['Piezoelectricity', 'centrosymmetric']
Processing of Novel Piezoelectric Transducers Via SFF
Conference paper
https://repositories.lib.utexas.edu//bitstreams/52dc9af2-25be-4731-8e53-3b7b46a396a5/download
null
Piezoelectric ceramics and ceramic/polYmer composites exhibiting conventional and novel designs were fabricated using Solid Freeform Fabrication (SFF) techniques. SFF is used to develop and optimize numerous transducer designs with simple and complex shapes without using any part specific tools or dies. Fused Depositio...
null
null
null
null
null
null
['Bandyopadhyay, A.', 'Panda, R. K.', 'Janas, V. F.', 'Danforth, S. C.', 'Safari, A.']
2018-11-14T17:13:17Z
2018-11-14T17:13:17Z
1996
Mechanical Engineering
doi:10.15781/T2MS3KM76
http://hdl.handle.net/2152/70243
eng
1996 International Solid Freeform Fabrication Symposium
Open
['FDC', 'Piezolectric materials', 'polymer materials']
Processing of Piezocomposites via Solid Freeform Fabrication (SFF)
Conference paper
https://repositories.lib.utexas.edu//bitstreams/45613c8a-89fe-4163-9deb-d8837023bdf7/download
null
Fused Deposition and Sanders prototyping were used to manufacture PZT-polymer composites with various architecture for transducer applications. Two separate processing routes, direct and indirect, were utilized to make these composites. In the direct processing route, Fused Deposition of ceramics (FDC) was used to form...
null
null
null
null
null
null
['Streek, A.', 'Regenfuss, P.', 'Ullmann, F.', 'Hartwig, L.', 'Ebert, R.', 'Exner, H.']
2020-02-28T21:16:04Z
2020-02-28T21:16:04Z
9/14/06
Mechanical Engineering
null
['https://hdl.handle.net/2152/80123', 'http://dx.doi.org/10.26153/tsw/7144']
eng
2006 International Solid Freeform Fabrication Symposium
Open
Laser micro sintering
Processing of Silicon Carbide by Laser Micro Sintering
Conference paper
https://repositories.lib.utexas.edu//bitstreams/6421febb-2f3c-4011-b6b8-d9ece4487483/download
null
Silicon carbide – a solid with covalent bonds - is conventionally synthesized via the Acheson process. Usually solid bodies of silicon carbide with definite shapes are generated from the grained material via hot isostatic pressing or liquid phase sintering. Both processes are conducted under well-controlled temperature...
null
null
null
null
null
null
['Das, Suman', 'Wohlert, Martin', 'Beaman, Joseph J.', 'Bourell, David L.']
2019-02-26T16:46:25Z
2019-02-26T16:46:25Z
1998
Mechanical Engineering
null
['https://hdl.handle.net/2152/73485', 'http://dx.doi.org/10.26153/tsw/635']
eng
1998 International Solid Freeform Fabrication Symposium
Open
['SFF', 'Direct fabrication']
Processing of Titanium Net Shapes by SLS/HIP
Conference paper
https://repositories.lib.utexas.edu//bitstreams/61e29f2c-9147-4eb1-8318-af8f9a8bedb2/download
null
SLS/HIP is a hybrid direct laser fabrication method that combines the strengths of selective laser sintering (SLS) and hot isostatic pressing (HIP). SLS can produce complex shaped metal components with an integral, gas impermeable skin. These components can then be directly post-processed to full density by containerle...
null
null
null
null
null
null
['Khan, M.', 'Dickens, P. M.']
2020-03-11T15:31:30Z
2020-03-11T15:31:30Z
9/10/08
Mechanical Engineering
null
['https://hdl.handle.net/2152/80252', 'http://dx.doi.org/10.26153/tsw/7271']
eng
2008 International Solid Freeform Fabrication Symposium
Open
Selective Laser Melting
Processing Parameters for Selective Laser Melting (SLM) of Gold
Conference paper
https://repositories.lib.utexas.edu//bitstreams/9f2393da-5491-42e6-b2e8-38c41e3dd57d/download
null
Research into laser processing of different metals has enabled Solid Freeform Fabrication (SFF) processes to produce parts for a wide variety of applications. However, less focus has been made on the processing of precious metals. Currently little research has been reported on the processing of precious metals and allo...
null
null
null
null
null
null
['Zong, G.', 'Tompkins, J.V.', 'Thissell, W.R.', 'Sajot, E.', 'Marcus, H.L.']
2018-04-17T18:55:08Z
2018-04-17T18:55:08Z
1991
Mechanical Engineering
doi:10.15781/T22Z1364K
http://hdl.handle.net/2152/64353
eng
1991 International Solid Freeform Fabrication Symposium
Open
['Center for Materials Science and Engineering', 'SALD', 'pyrolytic']
Processing Problems Associated with Gas Phase Solid Freeform Fabrication Using Pyrolytic Selective Area Laser Deposition
Conference paper
https://repositories.lib.utexas.edu//bitstreams/3a43ba5e-b967-4668-85db-1017b1677e16/download
null
Concerns critical to selective area laser deposition are discussed. Variables affecting deposition rate, dimensional control, and surface uniformity are analyzed. Localized growth results in undesirable morphology, and contributing factors are cited. Catalytic powders increase nucleation rate and provide superior tempe...
null
null
null
null
null
null
['Schumacher, Christian', 'Schöppner, Volker', 'Gnaase, Stefan']
2021-11-10T21:59:12Z
2021-11-10T21:59:12Z
2018
Mechanical Engineering
null
['https://hdl.handle.net/2152/90190', 'http://dx.doi.org/10.26153/tsw/17111']
eng
2018 International Solid Freeform Fabrication Symposium
Open
['short fiber-reinforced filaments', 'fiber reinforced polymers', 'fused deposition modeling', 'processing']
Processing Short Fiber-Reinforced Polymers in the Fused Deposition Modeling Process
Conference paper
https://repositories.lib.utexas.edu//bitstreams/c3498048-8643-4add-87fa-e99e0bc9e492/download
University of Texas at Austin
By adding fibers to a polymer matrix, a reinforcement of the material can be achieved. Short fiber-reinforced polymers can easily be processed by the Fused Deposition Modeling (FDM) process without major modifications to the processing machine. For instance, short fiber-reinforced filaments can be processed to produce ...
null
null
null
null
null
null
['Hattiangadi, Ashwin', 'Bandyopadhyay, Amit']
2019-03-13T16:22:31Z
2019-03-13T16:22:31Z
1999
Mechanical Engineering
null
['https://hdl.handle.net/2152/73642', 'http://dx.doi.org/10.26153/tsw/784']
eng
1999 International Solid Freeform Fabrication Symposium
Open
['ceramic', 'Porous Hydroxyapatite']
Processing, Characterization and Modeling of Non-Random Porous Ceramic Structures
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1674283b-653f-4d15-ac65-bda01c4c157c/download
null
Processing of non-random porous ceramic structures via fused deposition process is discussed. structures are characterized experimentally and statistically based on their compressive strength. Finite element modeling is used to understand the effect of stress concentration leading to the strength degradation ofthese br...
null
null
null
null
null
null
['Prinz, F.B.', 'Weiss, L.E.', 'Amon, C.H.', 'Beuth, J.L.']
2018-10-05T17:07:39Z
2018-10-05T17:07:39Z
1995
Mechanical Engineering
doi:10.15781/T20G3HH4W
http://hdl.handle.net/2152/68716
eng
1995 International Solid Freeform Fabrication Symposium
Open
['SDM', 'CNC machining', 'SFF']
Processing, Thermal and Mechanical Issues in Shape Deposition Manufacturing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/153d495c-54bc-4da7-be99-30af47781d44/download
null
An overview of Shape Deposition Manufacturing (SDM) is presented, detailing manufacturing, thermal and mechanical issues of concern in making it a commercially viable method for creating arbitrarily shaped three-dimensional metal parts. SDM is a layered manufacturing process which combines the benefits of solid freefor...
null
null
null
null
null
null
['Kempen, K.', 'Thijs, L.', 'Vrancken, B.', 'Buls, S.', 'Van Humbeeck, J.', 'Kruth, J.-P.']
2021-10-07T15:44:25Z
2021-10-07T15:44:25Z
8/16/13
Mechanical Engineering
null
['https://hdl.handle.net/2152/88485', 'http://dx.doi.org/10.26153/tsw/15419']
eng
2013 International Solid Freeform Fabrication Symposium
Open
['Additive Manufacturing', 'Selective Laser Melting', 'M2 parts', 'pre-heating', 'baseplate', 'crack-free', 'high density']
Producing Crack-Free, High Density M2 HSS Parts by Selective Laser Melting: Pre-Heating the Baseplate
Conference paper
https://repositories.lib.utexas.edu//bitstreams/03977b07-9b7b-4e54-8133-4d12ca545c18/download
University of Texas at Austin
Cracks and delamination, resulting from residual stresses are a barrier in the world of Additive Manufacturing and Selective Laser Melting (SLM) that prohibits the use of many metals in this field. By preheating the baseplate, thermal gradients are lowered and stresses can be reduced. In this work, some initial tests w...
null
null
null
null
null
null
['Liou, Frank', 'Leu, Ming']
2020-03-10T16:33:22Z
2020-03-10T16:33:22Z
9/10/08
Mechanical Engineering
null
['https://hdl.handle.net/2152/80227', 'http://dx.doi.org/10.26153/tsw/7246']
eng
2008 International Solid Freeform Fabrication Symposium
Open
freeform fabrication
Product Focused Freeform Fabrication Education
Conference paper
https://repositories.lib.utexas.edu//bitstreams/9a4bf3b7-4adf-4f62-a56a-bc549bfcaa6e/download
null
Presented in this paper is our experience of teaching freeform fabrication to students at the Missouri University of Science and Technology, and to high school students and teachers. The emphasis of the curriculum is exposing students to rapid product development technologies with the goal of creating awareness to emer...
null
null
null
null
null
null
Carleberg, Per
2018-10-03T15:54:34Z
2018-10-03T15:54:34Z
1994
Mechanical Engineering
doi:10.15781/T20R9MP3X
http://hdl.handle.net/2152/68654
eng
1994 International Solid Freeform Fabrication Symposium
Open
['SFF System', 'selective laser sintering', 'laser power and laser thickness']
Product Model Driven Direct Manufacturing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/9ad9b9e0-93cf-4587-9d18-12b1d9ea15ce/download
null
The input to the freeform fabrication process is essentially geometric data, raw material, material data and process parameters. Optimal process parameters depend upon current material and the part geometry. This paper describes an research approach in which all necessary input including process parameters are obtained...
null
null
null
null
null
null
['Reiher, T.', 'Koch, R.']
2021-11-01T21:53:32Z
2021-11-01T21:53:32Z
2016
Mechanical Engineering
null
https://hdl.handle.net/2152/89769
eng
2016 International Solid Freeform Fabrication Symposium
Open
['product optimization', 'topology optimization', 'part optimiization', 'additive manufacturing']
Product Optimization with and for Additive Manufacturing
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1d8318c8-bb2d-4a6f-be0e-9d0bb88cc6ff/download
University of Texas at Austin
Additive Manufacturing offers a great potential for the optimization of products. Therefore different approaches are feasible to exploit these potentials for elaborating optimal solutions. For example these include optimization of weight or stiffness of structural components as well as the integration of functions and ...
null
null
null
null
null
null
['Stucker, Brent E.', 'Bradley, Walter L.', 'Norasetthekul, Somchin', 'Eubank, Philip T.']
2018-11-02T16:19:53Z
2018-11-02T16:19:53Z
1995
Mechanical Engineering
doi:10.15781/T2X05XZ21
http://hdl.handle.net/2152/69335
eng
1995 International Solid Freeform Fabrication Symposium
Open
['EDM', 'Rapid prototyping', 'tool production']
The Production of Electrical Discharge Machining Electrodes Using SLS: Preliminary Results
Conference paper
https://repositories.lib.utexas.edu//bitstreams/49cc7c9c-ce71-4908-a3b6-3b550c2e4fd2/download
null
Electrical discharge machining (EDM) has become common place in the tool and die industry as an alternative to conventional machining and now accounts for 2% ofworldwide machiningl , with a substantially greater concentration ofuse in the tool making industry.EDM has the advantage of allowing tool steel billets to be h...
null
null
null
null
null
null
['Sachs, Emanuel', 'Allen, Samuel', 'Cima, Michael', 'Wylonis, Edward', 'Guo, Honglin']
2018-11-08T15:47:25Z
2018-11-08T15:47:25Z
1995
Mechanical Engineering
doi:10.15781/T22N5036C
http://hdl.handle.net/2152/69894
eng
1995 International Solid Freeform Fabrication Symposium
Open
['3D Printing', 'postprocessing', 'unbound powder']
Production of Injection Molding Tooling with Conformal Cooling Channels using The Three Dimensional Printing Process
Conference paper
https://repositories.lib.utexas.edu//bitstreams/6b53c2b4-1b22-46e9-9c6e-433a801947aa/download
null
Three Dimensional Printing is a desktop manufacturing process in which powdered materials are deposited in layers and selectively joined with binder from an ink-jet style printhead. Unbound powder is removed upon process completion, leaving a three dimensional part. Stainless steel injection molding inserts have been c...
null
null
null
null
null
null
['Pridham, M.S.', 'Thomson, G.A.', 'Menon, U', 'Koch, M']
2018-09-26T18:49:48Z
2018-09-26T18:49:48Z
1994
Mechanical Engineering
doi:10.15781/T2TM72K6Q
http://hdl.handle.net/2152/68583
eng
1994 International Solid Freeform Fabrication Symposium
Open
['Laminated Prototyping', 'Laser Forming', 'Rapid Prototyping']
Production of Metal Prototypes Using a High Powered Laser Machining Centre
Conference paper
https://repositories.lib.utexas.edu//bitstreams/7e93e72d-47e4-4d05-982a-2b8ada4eef6c/download
null
The established commercially available rapid prototyping techniques are now well known throughout the manufacturing community. They are able to produce high quality, accurate prototypes, but are limited largely to processing polymer, wax or paper materials. Where a metal part is required, then a further process step, s...
null
null
null
null
null
null
['Schmidt, Jochen', 'Gómez Bonilla, Juan', 'Sachs, Marius', 'Lanz, Lydia', 'Wudy, Katrin', 'Wirth, Karl-Ernst', 'Drummer, Dietmar', 'Peukert, Wolfgang']
2021-10-28T14:28:34Z
2021-10-28T14:28:34Z
2016
Mechanical Engineering
null
https://hdl.handle.net/2152/89649
eng
2016 International Solid Freeform Fabrication Symposium
Open
['process route', 'glass composites', 'polybutylene terephthalate', 'selective laser sintering']
Production of Polybutylene Terephthalate Glass Composite Powders and Characterization for Processing in Selective Laser Sintering
Conference paper
https://repositories.lib.utexas.edu//bitstreams/ac4ed357-89cb-4aba-bb8b-b0c19aaae78a/download
University of Texas at Austin
Additive manufacturing techniques, such as selective laser melting of plastics, generate components directly from a CAD data set without using a specific mould. The range of materials commercially available for selective laser sintering merely includes some semi crystalline polymers, mainly polyamides. In this contribu...
null
null
null
null
null
null
['Dalgarno, K.W.', 'Stewart, T.D.', 'Childs, T.H.C.']
2019-09-20T18:30:45Z
2019-09-20T18:30:45Z
2000
Mechanical Engineering
null
['https://hdl.handle.net/2152/75928', 'http://dx.doi.org/10.26153/tsw/3027']
eng
2000 International Solid Freeform Fabrication Symposium
Open
Polymer
Production Tooling for Polymer Components Via The DTM RapidSteel Process 125
Conference paper
https://repositories.lib.utexas.edu//bitstreams/565c6381-af8a-4c0c-8388-ed3e2e4528c9/download
null
This paper reports the results of a study examining the potential of layer manufacturing processes to deliver production tooling for polymer manufacture, with the DTM RapidSteel process used to provide the tooling. Four main areas were addressed during the study: wear, mechanical strength, accuracy, and productivity, w...
null
null
null
null
null
null
['Jahnke, U.', 'Bornefeld, P.A.', 'Koch, R.']
2021-11-01T22:31:25Z
2021-11-01T22:31:25Z
2016
Mechanical Engineering
null
https://hdl.handle.net/2152/89784
eng
2016 International Solid Freeform Fabrication Symposium
Open
['traceability', 'markings', 'product marking', 'additive manufacturing', 'Industry 4.0']
Production-Integrated Markings for Traceability of AM Parts in the Context of Industry 4.0
Conference paper
https://repositories.lib.utexas.edu//bitstreams/738ddd09-9213-4178-b951-812aead63bd3/download
University of Texas at Austin
Traceability is often mentioned as one fundamental requirement to reach the vision of Industry 4.0, the next industrial revolution. As Additive Manufacturing (AM) is a technology with high relevance in the scope of Industry 4.0 this paper focuses on production-integrated markings for traceability of additively manufact...
null
null
null
null
null
null
['Khanzadeh, Mojtaba', 'Jafari Marandi, Ruholla', 'Tootooni, M. Samie', 'Bian, Linkan', 'Smith, Brian', 'Rao, Prahalad']
2021-10-28T19:26:37Z
2021-10-28T19:26:37Z
2016
Mechanical Engineering
null
https://hdl.handle.net/2152/89675
eng
2016 International Solid Freeform Fabrication Symposium
Open
['geometric accuracy', 'self-organizing map', 'additive manufacturing']
Profiling and Optimizing the Geometric Accuracy of Additively Manufactured Components via Self-Organizing Map
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1d0360f2-5953-4c20-b669-243072a226a4/download
University of Texas at Austin
One main challenge of additive manufacturing is the lack of geometric accuracy of the parts. Part geometry measurements generated using Next Engine 3D scanners yields an extremely large amounts of data. The generated data is so large, that it is difficult to characterize and quantify the geometric accuracy of the part ...
null
null
null
null
null
null
['Zheng, Yong', 'Choi, Sangeun', 'Mathewson, Brian', 'Newman, Wyatt']
2018-11-14T18:06:37Z
2018-11-14T18:06:37Z
1996
Mechanical Engineering
doi:10.15781/T2Z31P79X
http://hdl.handle.net/2152/70256
eng
1996 International Solid Freeform Fabrication Symposium
Open
['SFF', 'CAM-LEM', 'CAD']
Progress in Computer-Aided Manufacturing of Laminated Engineering Materials Utilizing Thick, Tangent-Cut Layers
Conference paper
https://repositories.lib.utexas.edu//bitstreams/27dea143-ff71-4ee8-94fc-5d5c4f21bd3e/download
null
This paper presents recent progress in extending the CAM-LEM process to 5-axis laser cutting for fabrication of laminated engineering components directly from sheet materials. The present extensions enable construction of layered objects from thicker layers by cutting all layers with shaped edges. Use of thicker materi...
null
null
null
null
null
null
['Sachs, Emanuel', 'Allen, Samuel', 'Guo, Honglin', 'Banos, Javier', 'Cima, Michael', 'Serdy, James', 'Brancazio, David']
2018-11-28T21:23:35Z
2018-11-28T21:23:35Z
1997
Mechanical Engineering
doi:10.15781/T29P2WR9G
http://hdl.handle.net/2152/70331
eng
1997 International Solid Freeform Fabrication Symposium
Open
['Harder tooling', 'Improvements in surface finish']
Progress on Tooling by 3D Printing; Conformal Cooling, Dimensional Control, Surface Finish and Hardness
Conference paper
https://repositories.lib.utexas.edu//bitstreams/b04bccc9-18d1-4c42-aab0-e5c7538123cd/download
null
Three Dimensional Printing is being applied to the direct fabrication of tooling using metal powders. This paper presents progress updates in four areas: i) thermal management using conformal cooling and related work on enhanced heat transfer using surface textures, ii) data on dimensional control, iii) ) improvements ...
null
null
null
null
null
null
['Dutta, Deba', 'Kikuchi, Noboru', 'Papalambros, Panos', 'Prinz, Fritz B.', 'Weiss, Lee']
2018-04-19T16:04:20Z
2018-04-19T16:04:20Z
1992
Mechanical Engineering
doi:10.15781/T23R0Q985
http://hdl.handle.net/2152/64377
eng
1992 International Solid Freeform Fabrication Symposium
Open
['Department of Mechanical Engineering & Applied Mechanics', 'MAXWELL', 'MD']
Project MAXWELL: Towards Rapid Realization of Superior Products
Conference paper
https://repositories.lib.utexas.edu//bitstreams/1226f259-66b5-44fc-b602-2ac8d6477fe5/download
null
We describe a new methodology for the design and manufacture of mechanical components. The methodology is a synergism of a new, mathematically rigorous procedure for the concurrent design of shape and material composition of components, and a new manufacturing process called MD* for their realization. The concurrent de...
null
null
null
null
null
null
['Chartoff, R.P.', 'Schultz, J.W.', 'Bhatt, J.', 'Ullett, J.S.']
2019-03-01T17:43:31Z
2019-03-01T17:43:31Z
1998
Mechanical Engineering
null
['https://hdl.handle.net/2152/73521', 'http://dx.doi.org/10.26153/tsw/671']
eng
1998 International Solid Freeform Fabrication Symposium
Open
['resins', 'molecular structure']
Properties of a High Temperature Liquid Crystal Stereolithography Resin
Conference paper
https://repositories.lib.utexas.edu//bitstreams/ddbfa131-2504-48ca-bd8f-8f3239bb6578/download
null
A liquid crystal monomer has been developed that contains both acrylate and acetylene reactive groups. The curing behavior and mechanical properties ofthe polymers formed from this monomer have been characterized in this study. Complete cure can be carried out in two separate steps, combining both photo and thermal pol...
null
null
null
null
null
null