author stringlengths 4 285 ⌀ | date.accessioned stringlengths 20 20 | date.available stringlengths 20 20 | date.issued stringclasses 75
values | description.department stringclasses 3
values | identifier stringclasses 387
values | identifier.uri stringlengths 32 78 | language.iso stringclasses 8
values | relation.ispartof stringclasses 33
values | rights.restriction stringclasses 2
values | subject stringlengths 2 254 | title stringlengths 7 239 | type stringclasses 3
values | pdf stringlengths 93 93 | publisher stringclasses 1
value | abstract stringlengths 109 3.61k ⌀ | description.sponsorship stringclasses 100
values | description stringclasses 16
values | title.alternative stringclasses 1
value | contributor.utaustinauthor stringclasses 1
value | language stringclasses 1
value | identifier.url stringclasses 1
value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
['Roy, N.K.', 'Cullinan, M.A.'] | 2021-10-19T18:11:26Z | 2021-10-19T18:11:26Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89314 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['nanopowders', 'powder spreading', 'actuating system', 'powder bed', 'μ-SLS'] | μ-SLS of Metals: Design of the Powder Spreader, Powder Bed Actuators and Optics for the System | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e7c270bf-07d5-4ac4-8554-3b5ac721e8ca/download | University of Texas at Austin | Nanopowders have a tendency to form agglomerates due to high surface energy and the
presence of attractive van der Waals forces. To overcome this problem, we present a powder
spreading mechanism design that can alleviate this phenomenon by using vibration compaction
to produce a uniform powder distribution in the bed. ... | null | null | null | null | null | null |
['Roy, N.K.', 'Yuksel, A.', 'Cullinan, M.A.'] | 2021-10-20T22:33:47Z | 2021-10-20T22:33:47Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89377 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['micro-scale selective laser sintering', 'μ-SLS', 'nanopowders', 'copper', 'particle size', 'density'] | μ-SLS of Metals: Physical and Thermal Characterization of Cu- Nanopowders | Conference paper | https://repositories.lib.utexas.edu//bitstreams/44872607-430d-4595-8cb4-37740d20f7ba/download | University of Texas at Austin | Micro-scale selective laser sintering(μ-SLS) requires the use of nanoparticles(NPs) since
the particle size needs to be an order of magnitude smaller than the melt pool in order to
accurately sinter particles together to form a part. Most NPs properties are dependent upon size
and thus, an exhaustive study of the physi... | null | null | null | null | null | null |
['Wächter, Julian', 'Elsner, Maike', 'Moritzer, Elmar'] | 2021-11-18T01:51:17Z | 2021-11-18T01:51:17Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90401', 'http://dx.doi.org/10.26153/tsw/17322'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['PEEK', 'processability', 'weld seam strength', 'fused deposition modeling'] | Investigation of the Processability of Different PEEK Materials in the FDM Process with Regard to the Weld Seam Strength | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a36b468c-7062-476b-87f8-582433c28b95/download | University of Texas at Austin | Due to the great popularity of the Fused Deposition Modeling (FDM) process, the material market is
growing. In particular, processing of high-temperature materials such as PEEK is demanding.
The aim of the investigations is to test different PEEK materials regarding their processability in the FDM process.
An unreinfor... | null | null | null | null | null | null |
['Wimmer, Marco', 'Kemnitzer, Jan', 'Forster, David', 'Schorzmann, Johann', 'Dopper, Frank'] | 2024-03-25T22:24:38Z | 2024-03-25T22:24:38Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124320', 'https://doi.org/10.26153/tsw/50928'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['HSS', 'PBF-P', 'PEBA', 'additive manufacturing'] | Investigation of the Processability of Polyether Block Amide in High Speed Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/676a37fd-aab9-4e08-832f-4c0d8c96a018/download | University of Texas at Austin | The High Speed Sintering (HSS) process ranks among the processes of Powder Bed
Fusion of polymers (PBF-P) of Additive Manufacturing (AM). Its scalability, constant layer
time and high quality of complex parts compared to other AM processes are some of the
characteristics of the HSS showing its potential for series prod... | null | null | null | null | null | null |
['Ravichander, B.B.', 'Farhang, B.', 'Ganesh-Ram, A.', 'Hanumantha, M.', 'Ramachandra, S.', 'Shinglot, Y.', 'Amerinatanzi, A.', 'Shayesteh Moghaddam, N.'] | 2021-12-06T22:34:18Z | 2021-12-06T22:34:18Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90700', 'http://dx.doi.org/10.26153/tsw/17619'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'reinforcement', 'IN718', 'microstructure', 'Vickers hardness'] | Investigation of the Properties of Reinforced IN718 Structures Fabricated using Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/25885333-3604-4965-88c2-b64a4f0031b7/download | University of Texas at Austin | Inconel 718 (IN718) superalloy, known for its high strength and corrosion resistant behavior, is
widely used in the aerospace and automotive industries. Laser power bed fusion (LPBF), one of
the commonly used techniques of additive manufacturing, enables the fabrication of structures
with a variety of local properties.... | null | null | null | null | null | null |
['Zhou, Y.', 'Zhou, X.', 'Teng, Q.', 'Wei, Q.S.', 'Shi, Y.S.'] | 2021-10-20T21:53:28Z | 2021-10-20T21:53:28Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89371 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', '316L stainless steel', 'Inconel 718', 'functionally graded materials', 'powder bed', 'powder feed'] | Investigation of the Scan Strategy and Property of 316L Stainless Steel-Inconel 718 Functionally Graded Materials Fabricated by Selective Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4883d255-505a-4a17-ba72-520e877df0fc/download | University of Texas at Austin | 316L stainless steel and Inconel 718 alloy functionally graded materials were
fabricated by selective laser melting with a novel approach which combined powder-bed with powder-feed pattern. Two different scanning strategies have been used to form
the steel/Ni FGMs. The interfacial characteristics were analyzed by scann... | null | null | null | null | null | null |
['Yang, Li', 'Haijun, Gong', 'Dilip, Samuel', 'Stucker, Brent'] | 2021-10-13T21:02:45Z | 2021-10-13T21:02:45Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88784', 'http://dx.doi.org/10.26153/tsw/15718'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['thin features', 'direct metal laser sintering', 'lightweight structures', 'additive manufacturing'] | An Investigation of Thin Feature Generation in Direct Metal Laser Sintering Systems | Conference paper | https://repositories.lib.utexas.edu//bitstreams/067fe6bb-ad91-4a5b-aa22-6839005cfb61/download | University of Texas at Austin | The fabrication of metal structures with thin features (<1mm) with additive manufacturing processes is
of interest for various lightweight applications. This paper investigates the geometrical and
microstructural characteristics of thin features fabricated using an EOS direct metal laser sintering
(DMLS) system. Both 1... | null | null | null | null | null | null |
['Fan, Foxian', 'Jalui, Sagar', 'Lajoie, Nicholas', 'Manogharan, Guha'] | 2023-02-10T14:27:02Z | 2023-02-10T14:27:02Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117454', 'http://dx.doi.org/10.26153/tsw/44335'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['AM Post-Processing', 'AM Areal Surface Roughness', 'Mass Finishing', 'Centrifugal Disc Finishing', 'AM Wear Behavior', 'Hybrid Manufacturing'] | Investigation of Wear Behavior of Centrifugal Disc Finishing on Additively Manufactured Ti6Al4V Samples | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ef4d9b99-5f74-441d-a9dc-0660cbfba0d2/download | null | As-built Additively Manufactured (AM) metallic parts require secondary processing in
most applications to improve surface finish and mechanical strength. Mass Finishing (MF)
processes are gaining popularity as effective and economical surface improvement methods for
metal AM parts. This study investigates the wear b... | null | null | null | null | null | null |
['Mollah, Md. Tusher', 'Moetazedian, Amirpasha', 'Gleadall, Andy', 'Yan, Jiongyi', 'Alphonso, Wayne Edgar', 'Comminal, Raphaël', 'Šeta, Berin', 'Lock, Tony', 'Spangenberg, Jon'] | 2023-01-26T15:51:41Z | 2023-01-26T15:51:41Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117321', 'http://dx.doi.org/10.26153/tsw/44202'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Microscale Corner Precision', 'Bowden and Direct-drive Extruders', 'Experiments', 'Computational Fluid Dynamics', 'Material Extrusion Additive Manufacturing'] | Investigation on corner precision at different corner angles in material extrusion additive manufacturing: An experimental and computational fluid dynamics analysis | Conference paper | https://repositories.lib.utexas.edu//bitstreams/333c6c2a-64c3-407c-84e3-e1b4c91ac515/download | null | This paper investigates the influence of different corner angles on microscale geometry in material extrusion
additive manufacturing. Polylactic acid (PLA) was 3D-printed with corner angles of 15°, 30°, 45°, 60°, 75°, 90°,
and 135° using Bowden and Direct-drive extruders. A computational fluid dynamics (CFD) model wa... | null | null | null | null | null | null |
['Yasa, Evren', 'Deckers, Jan', 'Craeghs, Tom', 'Badrossamay, Mohsen', 'Kruth, Jean-Pierre'] | 2021-09-28T19:19:35Z | 2021-09-28T19:19:35Z | 9/15/09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88158', 'http://dx.doi.org/10.26153/tsw/15099'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['selective laser melting', 'elevated ridges', 'elevated edges', 'successive layers'] | Investigation on Occurrence of Elevated Edges in Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8e3b3ebd-22bb-433a-83b9-a918b3a27871/download | University of Texas at Austin | Selective laser melting (SLM) is a layer-wise material additive process for the direct
fabrication of functional metallic parts. During the process, successive layers of metal powder are
fully molten and consolidated on top of each other by the energy of a high intensity laser beam.
The process is capable of producing ... | null | null | null | null | null | null |
['Deng, Dongping', 'Chen, Yong', 'Zhou, Chi'] | 2021-10-06T20:42:30Z | 2021-10-06T20:42:30Z | 2012 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88439', 'http://dx.doi.org/10.26153/tsw/15376'] | eng | 2012 International Solid Freeform Fabrication Symposium | Open | ['PEEK composite', 'mask projection stereolithography', 'slurry recoating', 'sintering'] | Investigation on PEEK Fabrication Using Mask-image-projection-based Stereolithography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/cfe87725-aa7a-428c-aff0-83c49414c95b/download | University of Texas at Austin | This paper presents the findings of an initial study of the fabrication of polyetheretherketone (PEEK)
components based on the mask-image-projection-based Stereolithography (MIP-SL) process. PEEK is a
semicrystalline thermoplastic with excellent mechanical and chemical resistance properties that are
retained to high te... | null | null | null | null | null | null |
['Praniewicz, M.', 'Fox, J.', 'Saldana, C.'] | 2021-12-01T23:17:39Z | 2021-12-01T23:17:39Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90652', 'http://dx.doi.org/10.26153/tsw/17571'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['lattice structures', 'definition', 'qualification', 'additive manufacturing'] | An Investigation on the Definition and Qualification of Form on Lattice Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c6721a9d-53b6-4402-872a-1d0c0f0fc69d/download | University of Texas at Austin | The lack of uniform qualification techniques for additively manufactured components throughout
industry currently limits their application in high risk environments. This stems from a shortage
of proper tolerancing and product definition to convey design intent and required qualification.
This definition is particularl... | null | null | null | null | null | null |
['Liu, Bochuan', 'Tuck, Christopher', 'Saleh, Ehab', 'Ashcroft, Ian', 'Wildman, Ricky', 'Hague, Richard'] | 2021-10-12T20:30:54Z | 2021-10-12T20:30:54Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88734', 'http://dx.doi.org/10.26153/tsw/15668'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['multi-functionality', 'multi-layer', 'conductive tracks', 'inkjet printing'] | Investigation on the Performance of Multi-Layer Printed Conductive Tracks on Multi-Layer Printed Insulator | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b9c4f77b-7150-4eff-bd37-457f16051091/download | University of Texas at Austin | The move to multi-functionality in Additive Manufacturing converges a number of
technical challenges, notably the accurate and reliable deposition of different
materials and their interaction. In this paper, an investigation on the pattern quality
and conductivity of multi-layer printed conductive tracks on multi-layer... | null | null | null | null | null | null |
['Goulas, Athanasios', 'Southcott-Engstrøm, Daniel', 'Friel, Ross J.', 'Harris, Russell A.'] | 2021-11-01T22:03:04Z | 2021-11-01T22:03:04Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89772 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['extra-terrestrial materials', 'additive manufacturing', '3D printing'] | Investigation the Additive Manufacture of Extra-Terrestrial Materials | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3dcf26af-83a2-4ccf-bf84-814aa324b829/download | University of Texas at Austin | The Powder Bed Fusion (PBF) additive manufacturing process category, consists of a
group of key enabling technologies allowing the fabrication of both intrinsic and complex
structures for a series of applications, including aerospace and astronautics. The purpose of this
investigation was to explore the potential appli... | null | null | null | null | null | null |
['Liu, Bochuan', 'Wildman, Ricky', 'Tuck, Christopher', 'Ashcroft, Ian', 'Hague, Richard'] | 2021-10-04T21:24:29Z | 2021-10-04T21:24:29Z | 2011 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88351', 'http://dx.doi.org/10.26153/tsw/15290'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['particle size distribution', 'powder bed', 'processing paramters', 'quality of finishing parts', 'Selective Laser Melting'] | Investigation the Effect of Particle Size Distribution on Processing Parameters Optimisation in Selective Laser Melting Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c1438596-fbb8-4e28-ada8-6fa82077e1c5/download | University of Texas at Austin | Selective Laser Melting is an efficient process for producing metal parts with minimal subtractive
post-processing required. Analysis of the parameters controlling the part quality has been
performed focusing on the energy intensity during processing and the effect of the particle size
distribution on factors such as u... | null | null | null | null | null | null |
['Weiss, C.', 'Munk, J.', 'Haefner, C.L.'] | 2021-12-06T21:53:56Z | 2021-12-06T21:53:56Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90686', 'http://dx.doi.org/10.26153/tsw/17605'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['powder behavior', 'AlSi10Mg', 'recyclability', 'laser powder bed fusion', 'LPBF'] | Investigation Towards AlSi10Mg Powder Recycling Behavior in the LPBF Process and Its Influences on Mechanical Properties | Conference paper | https://repositories.lib.utexas.edu//bitstreams/63f96a6f-f108-4ad9-b635-fd3e303a3aa0/download | University of Texas at Austin | Parts fabricated by Laser Powder Bed Fusion (LPBF) technique allow for a high
material utilization of a single powder batch, since unfused powder material can be reconditioned
and reused in subsequent manufacturing jobs. Due to process induced spatters however, the
quality of the powder may change during recycling, whi... | null | null | null | null | null | null |
['Krischke, N.', 'Friedmann, M.', 'Fleischer, J.'] | 2023-03-30T16:18:03Z | 2023-03-30T16:18:03Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117701', 'http://dx.doi.org/10.26153/tsw/44580'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ARBURG | Investigations for the Optimization of Metal Freeforming using the ARBURG freeformer | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3d704f8a-532b-4bc3-b8e5-808b1fd8e24e/download | null | The ARBURG freeformer represents an additive manufacturing system for producing
thermoplastic components using commercially available polymer granulate. This fabrication
process offers the potential to use feedstocks known from the metal injection molding (MIM) sector
to manufacture so-called green parts. These part... | null | null | null | null | null | null |
['Hecker, F.', 'Elsner, C.L.', 'Hirsch, A.', 'Moritzer, E.'] | 2021-12-01T23:04:41Z | 2021-12-01T23:04:41Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90648', 'http://dx.doi.org/10.26153/tsw/17567'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['arburg plastic freeforming', 'visual properties', 'geometrical properties', 'process parameters', 'optimization'] | Investigations for the Optimization of Visual and Geometrical Properties of Arburg Plastic Freeforming Components | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8d15d057-264b-41ff-8ac5-beaa5df1ebe2/download | University of Texas at Austin | Arburg Plastic Freeforming (APF) is an additive manufacturing process with which three-dimensional, thermoplastic components can be produced layer by layer. Visual and geometrical
properties are a major criterion for characterizing the resulting component quality. The aim of
this study was to investigate the influences... | null | null | null | null | null | null |
['Jiang, Jinhui', 'Yuan, Mengqi', 'Ji, Tingchao'] | 2021-11-01T21:35:32Z | 2021-11-01T21:35:32Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89761 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['stab resistance body armor', 'laser sintering', 'structure', 'pyramid'] | Investigations on Laser Sintered Textiles for Stab-Resistant Application | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f1697458-0b40-4329-8b39-da37a80d3612/download | University of Texas at Austin | Stab resistance body armor (SRBA) is essential in protecting people from knife injuries. The
protective parts of traditional SRBA are made of multi-layered ultra-high molecular weight
polyethylene, which causes heavy heat stress for people wearing it. In this paper, the protective
parts of SRBA were manufactured using ... | null | null | null | null | null | null |
['Vora, P.', 'Derguti, F.', 'Mumtaz, K.', 'Todd, I.', 'Hopkinson, N.'] | 2021-10-11T20:34:34Z | 2021-10-11T20:34:34Z | 2013 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88634', 'http://dx.doi.org/10.26153/tsw/15568'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['Additive Manufacturing', 'Selective Laser Sintering', 'Electron Beam Melting', 'metal powder bed', 'in-situ alloy', 'semi-solid processing'] | Investing a Semi-Solid Processing Technique Using Metal Powder Bed Additive Manufacturing Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/306d6f58-a927-41df-a64a-8d4e64d27cf6/download | University of Texas at Austin | The work reported investigates in-situ alloying using a semi-solid processing technique with metal
powder bed Additive Manufacturing (AM); in this instance Selective Laser Melting (SLM) and
Electron Beam Melting (EBM) were employed. This technique utilised customised powder blends
that were processed at elevated temper... | null | null | null | null | null | null |
['Zhang, Wei', 'Leu, Ming C.', 'Feng, Chao', 'Ren, Rong', 'Zhang, Renjie', 'Lu, Qingping', 'Jiang, Jubu', 'Yan, Yongnian'] | 2019-09-20T18:10:13Z | 2019-09-20T18:10:13Z | 2000 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/75921', 'http://dx.doi.org/10.26153/tsw/3020'] | eng | 2000 International Solid Freeform Fabrication Symposium | Open | Prototyping | Investment Casting with Ice Patterns Made by Rapid Freeze Prototyping 66 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/82130586-75c0-4c20-8897-357fc53652fb/download | null | One of the most promising applications of rapid freeze prototyping (RFP) is making metal parts by investment casting with the built ice parts. The integration of RFP and investment casting allows fast creation of complex net-shape metal parts directly from their CAD models. The advantages of doing so include no part ge... | null | null | null | null | null | null |
['Lombardi, John L.', 'Hoffinan, Robert A.', 'Waters, Jason A.', 'Popovich, Dragan'] | 2018-12-05T20:35:18Z | 2018-12-05T20:35:18Z | 1997 | Mechanical Engineering | doi:10.15781/T20K26X7N | http://hdl.handle.net/2152/71415 | eng | 1997 International Solid Freeform Fabrication Symposium | Open | ['FDM', 'EFF'] | Issues Associated with EFF & FDM Ceramic Filled Feedstock Formulation | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6207970d-7d8d-4791-b1ad-e2670ba99380/download | null | null | null | null | null | null | null | null |
['Paggi, Umberto', 'Ranjan, Rajit', 'Thijs, Lore', 'Ayas, Can', 'Langelaar, Matthijs', 'van Keulen, Fred', 'van Hooreweder, Brecht'] | 2021-11-18T18:50:12Z | 2021-11-18T18:50:12Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90465', 'http://dx.doi.org/10.26153/tsw/17386'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['support structures', 'contactless support', 'overheating', 'downfacing regions', 'laser powder bed fusion'] | New Support Structures for Reduced Overheating on Downfacing Regions of Direct Metal Printed Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6e17ba55-1200-4e93-bbc5-83f299542d11/download | University of Texas at Austin | In Laser Powder Bed Fusion (LPBF), the downfacing surfaces usually have increased surface
roughness and reduced dimensional accuracy due to local overheating and warpage. To partially
overcome this a new supporting structure is developed in this study, namely the contactless
support. This is a thin blade parallel to th... | null | null | null | null | null | null |
['Jandric, Z.', 'Kovacevic, R.'] | 2019-10-09T16:20:52Z | 2019-10-09T16:20:52Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76154', 'http://dx.doi.org/10.26153/tsw/3243'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Optimization | New Way of Process Parameters Optimization in SFF Based on Deposition by Welding | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e4e244c3-026a-4c9d-8b38-bebdf2a07a25/download | null | To successfully control the welding process and to make it appropriate for solid freeform
fabrication (SFF), it is necessary to fully understand the influence of the welding parameters and
the geometry of the substrate on the resulting weld bead dimensions. Extensive experiments
with different welding parameters and co... | This work was financially supported by THECB, Grant No. 003613-0022001999, NSF, Grants
No. DMI – 9732848 and DMI – 9809198, and the U.S. Department of Education, Grant No.
P200A-80806-98. | null | null | null | null | null |
['Plocher, J.', 'Panesar, A.'] | 2021-11-09T19:55:13Z | 2021-11-09T19:55:13Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90147', 'http://dx.doi.org/10.26153/tsw/17068'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['beam compliance', 'three-point bending', 'topology', 'fiber orientation', 'lightweight structures', 'fused deposition modeling', 'additive manufacturing'] | Next-Generation Fibre-Reinforced Lightweight Structures for Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9f9cd531-1f2d-41e9-abfa-fddec79ecbd5/download | University of Texas at Austin | In an attempt to realise next-generation lightweight parts and to fully utilize the inherent design
freedom of AM, we propose a topology optimization based design procedure that includes the
anisotropic considerations for continuous fibre printing of variable stiffness composites. In this
paper, we aim to improve the n... | null | null | null | null | null | null |
['Melvin III, Lawrence S.', 'Beaman Jr., Joseph J.'] | 2018-11-08T15:37:28Z | 2018-11-08T15:37:28Z | 1995 | Mechanical Engineering | doi:10.15781/T2KK94Z19 | http://hdl.handle.net/2152/69890 | eng | 1995 International Solid Freeform Fabrication Symposium | Open | ['selective laser sintering', 'intermediate temperature', 'powder application'] | Nickel Applied for Selective Laser Sintering Using a Magnetic Field | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1648bcb6-ba34-4694-94ea-e6df7f963c7a/download | null | Metal powder was applied for the Selective Laser Sintering
process using the sieve feed system and a magnetic field.
The magnetic field had a negative effect on final part quality
as measured by a reduction in final part density. This
negative effect is theorized to be due to the shape and orientation
ofthe magnetic fi... | null | null | null | null | null | null |
['Yuan, Mengqi', 'Bourerll, David'] | 2021-10-07T15:47:13Z | 2021-10-07T15:47:13Z | 8/16/13 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88486', 'http://dx.doi.org/10.26153/tsw/15420'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['nitrogen flow', 'Laser Sintering', 'part bed surface temperature'] | Nitrogen Flow Effects on Part Bed Surface Temperature during Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4ca23f1d-1030-4a1a-96d5-d7d4697db441/download | University of Texas at Austin | The role of nitrogen flow rate was invested as it affects the surface temperature of a polymer
laser sintering part bin. A SinterStation 2500® was used for this study. The effect of nitrogen
chamber flow rates between 0.5 and 2.5 m3/hr was observed and compared to the results of a
computational fluids dynamics model. I... | null | null | null | null | null | null |
['Dietrich, Stefan', 'Englert, Lukas', 'Pinter, Pascal'] | 2021-11-09T15:19:29Z | 2021-11-09T15:19:29Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90091', 'http://dx.doi.org/10.26153/tsw/17012'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['porosity analysis', 'x-ray computed tomography', 'laser powder bed fusion', 'metal FFF'] | Non-Destructive Characterization of Additively Manufactured Components Using X-Ray Micro-Computed Tomography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7a7e5112-1f97-4c1f-b4bd-373b2c0b0b8c/download | University of Texas at Austin | Quality control and microstructure characterization are essential corner stones of the process optimization
through the understanding of process-microstructure-relations in additive manufacturing. The scope of this
work is to investigate the relationships between porosity and the process parameters as well as component... | null | null | null | null | null | null |
['Albakri, Mohammed', 'Sturm, Logan', 'Williams, Christopher B.', 'Tarazaga, Pablo'] | 2021-10-21T19:42:10Z | 2021-10-21T19:42:10Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89432 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['impedance-based monitoring', 'part abnormalities', 'additive manufacturing', 'quality control'] | Non-Destructive Evaluation of Additively Manufactured Parts via Impedance-Based Monitoring | Conference paper | https://repositories.lib.utexas.edu//bitstreams/58deae40-a995-4137-a483-668276cf6580/download | University of Texas at Austin | The ability of Additive Manufacturing (AM) processes to fabricate complex geometries is
somewhat hindered by an inability to effectively validate the quality of printed complex parts.
Furthermore, there are classes of part defects that are unique to AM that cannot be efficiently
measured with standard Quality Control (... | null | null | null | null | null | null |
['Nomoto, Sukeharu', 'Segawa, Masahito', 'Wakameda, Hiroshi'] | 2021-11-15T20:58:39Z | 2021-11-15T20:58:39Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90269', 'http://dx.doi.org/10.26153/tsw/17190'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['multi-phase field method', 'non-equilibrium', 'thermodynamics', 'machine learning', 'stainless steel', 'solidification', 'additive manufacturing'] | Non-Equilibrium Phase Field Model Using Thermodynamics Data Estimated by Machine Learning for Additive Manufacturing Solidification | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9935fac7-2574-497a-a858-6cc43e24651b/download | University of Texas at Austin | A multi-phase field method using finite interface dissipation model proposed by Steinbach et al. is applied
to simulate solidification microstructure evolution of stainless steel composition in the non-equilibrium condition
of high cooling rate and temperature gradient of additive manufacturing. The calculation is perf... | null | null | null | null | null | null |
['Johnston, S.', 'Anderson, R.', 'Storti, D.'] | 2020-02-21T15:22:35Z | 2020-02-21T15:22:35Z | 8/3/05 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80061', 'http://dx.doi.org/10.26153/tsw/7083'] | eng | 2005 International Solid Freeform Fabrication Symposium | Open | powder materials | Non-isothermal Initial Stage Sintering Strain Model with Application to 316L Stainless Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b05baddc-e3ba-4d21-a934-406ad7ff6630/download | null | null | null | null | null | null | null | null |
['Hoglund, Robert', 'Smith, Douglas E.'] | 2021-10-21T15:01:53Z | 2021-10-21T15:01:53Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89387 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['Fused Deposition Modeling', 'topology optimization', 'material distribution'] | Non-Isotropic Material Distribution Topology Optimization for Fused Deposition Modeling Products | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ef78ac66-bf37-42c9-91d4-497aaa849241/download | University of Texas at Austin | Mechanical properties of products produced with the Fused Deposition Modeling (FDM)
process are known to be dependent on bead direction, especially when short fiber reinforcement
is added to the polymer filament feedstock. As a result, the structural performance of fiber-filled
FDM parts is expected to be improved by s... | null | null | null | null | null | null |
['Sharma, Maharshi A.', 'Patterson, Albert E.'] | 2024-03-26T20:30:11Z | 2024-03-26T20:30:11Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124397', 'https://doi.org/10.26153/tsw/51005'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['FFF process', 'extrusion-based additive manufacturing', 'control systems', 'dynamic modeling'] | Non-Linear Dynamic Modeling of Cartesian-Frame FFF 3-D Printer Gantry for Predictive Control | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e4625159-dac0-4e70-aaa5-458bc219d6dc/download | University of Texas at Austin | This paper presents the development of a dynamic model of an FFF 3-D printer gantry (2-D) that is useful
for developing an open-loop predictive control system. This predictive control system based on the mechanics of the
system will help to reduce manufacturing defects by minimizing position error in the printing head.... | null | null | null | null | null | null |
Chen, Yong | 2020-03-09T14:25:05Z | 2020-03-09T14:25:05Z | 8/21/07 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80184', 'http://dx.doi.org/10.26153/tsw/7203'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | Stereolithography | Non-Uniform Offsetting and its Applications in Laser Path Planning of Sterolithography Machine | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7861f3c4-a9cb-4e63-b910-14c400f60277/download | null | Laser path planning is an important step in solid freeform fabrication processes such as
Stereolithography (SLA). An important consideration in the laser path planning is to compensate
the shape of laser beam. Currently the compensation is divided into two steps, Z-compensation
and X-Y compensation, and the shape of la... | null | null | null | null | null | null |
['du Plessis, Anton', 'Yadroitsava, Ina', 'Yadritsev, Igor'] | 2021-11-09T15:15:41Z | 2021-11-09T15:15:41Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90090', 'http://dx.doi.org/10.26153/tsw/17011'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['micro computed tomography', 'microCT', 'bottlenecks', 'additive parts', 'additive manufacturing'] | Nondestructive Micro-CT Inspection of Additive Parts: How to Beat the Bottlenecks | Conference paper | https://repositories.lib.utexas.edu//bitstreams/81203d6d-c4fc-40fd-a8ea-a8f5e3ea357c/download | University of Texas at Austin | Micro computed tomography (microCT) is widely in use for the inspection of additively
manufactured parts. The main use of the technique is to detect unwanted voids inside the part.
However, the ability to detect these kind of defects is strongly affected by image quality, which is
often directly related to the scan tim... | null | null | null | null | null | null |
['Simeunovic, A.', 'Hoelzle, D.'] | 2021-11-15T21:15:48Z | 2021-11-15T21:15:48Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90275', 'http://dx.doi.org/10.26153/tsw/17196'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['nonlinear model', 'linearized model', 'gray box model', 'direct-write printing', 'extrusion-based additive manufacturing'] | Nonlinear and Linearized Gray Box Models of Direct-Write Printing Dynamics | Conference paper | https://repositories.lib.utexas.edu//bitstreams/928d2bf1-2c6e-477b-8c25-8819d1bc3abc/download | University of Texas at Austin | Control of material metering in material extrusion based additive manufacturing
modalities, such as positive displacement direct-write, is critical for manufacturing accuracy. However, in positive displacement direct-write, transient flows are poorly controlled
due to capacitive pressure dynamics - pressure is stored a... | null | null | null | null | null | null |
['Beyene, Shiferaw D.', 'Ayalew, Beshah', 'Pilla, Srikanth'] | 2021-11-18T02:08:06Z | 2021-11-18T02:08:06Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90408', 'http://dx.doi.org/10.26153/tsw/17329'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['NMPC', 'switching systems', 'UV curing', 'additive manufacturing', 'optimal time control'] | Nonlinear Model Predictive Control of UV-Induced Thick Composite Manufacturing Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3f04c4a1-74b2-4f21-9904-c632a9b795ee/download | University of Texas at Austin | In this paper the nonlinear model predictive control (NMPC) of UV-induced curing of composite material
for manufacturing of thick parts is proposed. The process involves layer-by-layer curing of thin composite
laminates to form thick part. The model for NMPC switches when a new layer is added to the existing layer. The... | null | null | null | null | null | null |
['Brown, R.', 'Morgan, C.T.', 'Majewski, C.E.'] | 2021-11-11T15:38:38Z | 2021-11-11T15:38:38Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90223', 'http://dx.doi.org/10.26153/tsw/17144'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['elastomeric material', 'characterization', 'testing', 'high speed sintering', 'HSS'] | Not Just Nylon... Improving the Range of Materials for High Speed Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a9a38f02-ac38-4b34-bfe4-5b9e381714c7/download | University of Texas at Austin | High Speed Sintering (HSS) is an emerging, recently commercialised Additive
Manufacturing (AM) process which uses an infrared absorbing ink and infrared lamp to
selectively sinter layers of polymer powder. Currently, Nylon 12 and its composites are used as
the default feedstock due to their large processing windows. Ho... | null | null | null | null | null | null |
['Schmidt, J.', 'Sachs, M.', 'Fanselow, S.', 'Wirth, K.-E.', 'Peukert, W.'] | 2021-10-27T22:11:26Z | 2021-10-27T22:11:26Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89630 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['selective laser beam melting', 'polymer powders', 'stirred media milling', 'rounding'] | Novel Approaches for the Production of Polymer Powders for Selective Laser Beam Melting of Polymers | Conference paper | https://repositories.lib.utexas.edu//bitstreams/78b069a3-b39b-4765-a494-3f183b78eac9/download | University of Texas at Austin | The opening of new fields of application of powder-based additive manufacturing methods like selective
laser beam melting of polymers currently is hindered by the limited availability of materials showing good
processability. So far, virtually only polyamides are available as optimized powder materials. Two innovative
... | null | null | null | null | null | null |
['Bandyopadhyay, Amit', 'Atisivan, Raj', 'Bose, Susmita'] | 2019-03-15T16:10:05Z | 2019-03-15T16:10:05Z | 1999 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73686', 'http://dx.doi.org/10.26153/tsw/828'] | eng | 1999 International Solid Freeform Fabrication Symposium | Open | ['Ceramic materials', 'high strength'] | Novel Ceramics and Metal-Ceramic Composites via Fused Deposition Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7c860bc1-c6f3-4f81-a592-3721df5096dc/download | null | Indirect fused·· deposition process is utilized.·.. to ·fabricate controlled porosity ceramic
structures using alumina, mullite, zirconia, LSCF-perovskite, tricalcium phosphate and
hydroxyapatite, where pore size, pore shape and pore connectivity are varied from one end to
the other end of the parts. Some of these poro... | null | null | null | null | null | null |
['Hutton, Logan J.', 'Bartolai, Joseph'] | 2024-03-26T20:04:21Z | 2024-03-26T20:04:21Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124385', 'https://doi.org/10.26153/tsw/50993'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['material extrusion', 'infill region', 'additive manufacturing'] | Novel Concepts to Integrate Dense and Sparse Infill Regions in Material Extrusion AM Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b7e146ac-d0b4-4c4a-a7e2-e3ccaeb2ee55/download | University of Texas at Austin | Modern toolpath generation softwares, or “slicers," allow for multiple regions within a Material
Extrusion Additive Manufacturing produced part to be assigned different processing parameters,
including infill density. Contemporary slicers develop these different infill regions independently,
leading to discontinuities ... | null | null | null | null | null | null |
['Ghazanfari, Amir', 'Li, Wenbin', 'Leu, Ming C.', 'Hilmas, Gregory E.'] | 2021-10-28T20:22:34Z | 2021-10-28T20:22:34Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89690 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['3D printing', 'extrusion freeforming', 'fused deposition', 'robocasting', 'radiation drying'] | A Novel Extrusion-Based Additive Manufacturing Process for Ceramic Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0a02b858-4dd8-4d57-8fff-616c6e4c1595/download | University of Texas at Austin | An extrusion-based additive manufacturing process, called the Ceramic On-Demand Extrusion
(CODE) process, for producing three-dimensional ceramic components with near theoretical
density is introduced in this paper. In this process, an aqueous paste of ceramic particles with a
very low binder content (<1 vol%) is extru... | null | null | null | null | null | null |
['Graff, K.F.', 'Short, M.', 'Norfolk, M.'] | 2021-09-29T22:47:40Z | 2021-09-29T22:47:40Z | 9/23/10 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88224', 'http://dx.doi.org/10.26153/tsw/15165'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['ultrasonic additive manufacturing', 'Very High Power Ultrasonic Additive Manufacturing System', 'ultrasonic power', 'EWI', 'Solidica™'] | Very High Power Ultrasonic Additive Manufacturing (VHP UAM) for Advanced Materials | Conference paper | https://repositories.lib.utexas.edu//bitstreams/91056bef-026a-47ce-8626-cf6a2986f5d7/download | University of Texas at Austin | To extend current ultrasonic additive manufacturing (UAM) to advanced materials, higher
speeds and larger parts, it was essential to greatly increase the process ultrasonic power. EWI,
with Solidica™, several industry, agency and academic partners, and support of Ohio’s Wright
Program, have developed a “Very High Power... | null | null | null | null | null | null |
['Santangelo, Michael', 'Silwal, Bishal', 'Purdy, Alexander'] | 2021-10-28T20:31:35Z | 2021-10-28T20:31:35Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89693 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'wire feed', 'hot-wire GTAW', 'ABAM'] | Vibration Assisted Robotic Hot-Wire Gas Tungsten Arc Welding (GTAW) for Additive Manufacturing of Large Metallic Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4624afa2-3590-442c-8215-9f5853f3ee40/download | University of Texas at Austin | Most of the metal additive manufacturing technologies are focused on high cost and high end applications.
There is in need, a low cost additive manufacturing technology suitable for low and high end metallic applications.
Robotic automated welding can be considered as an alternative to manufactured large scale metal pa... | null | null | null | null | null | null |
['Kandukuri, Shruthika', 'Kashyap, Atharva', 'Lipton, Jeffrey'] | 2023-02-17T14:32:44Z | 2023-02-17T14:32:44Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117483', 'http://dx.doi.org/10.26153/tsw/44364'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | sander grips | Vibration Reduction Using Material Jetted Parts for Sander Grips | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3def33ee-5787-44d0-90eb-c9cfb0241c72/download | null | Workers in many industries are exposed to harmful vibrations that negatively impact their
comfort and long-term health through tools such as hand-held sanders. Here we show that using
material jetting we can produce durable and effective vibration protection equipment that reduces
vibrations felt by the user by an a... | null | null | null | null | null | null |
['Greeley, Andrew', 'Cormier, Denis'] | 2021-12-07T18:26:45Z | 2021-12-07T18:26:45Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90749', 'http://dx.doi.org/10.26153/tsw/17668'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['directed energy deposition', 'capture effiiciency'] | Vibration-Actuated Powder Dispensing for Directed Energy Deposition Systems | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3973d8e1-2bb5-40ab-96f9-6c37d54fafa6/download | University of Texas at Austin | Users of powder-fed directed energy deposition system often face several challenges
associated with conventional powder delivery sub-systems. In addition to the high cost of wasted
powder, it can be difficult to plan for the amount of material being deposited when some of the
dispensed powder is not captured in the mel... | null | null | null | null | null | null |
Spencer, John D. | 2018-05-03T16:27:48Z | 2018-05-03T16:27:48Z | 1993 | Mechanical Engineering | doi:10.15781/T2DJ5906T | http://hdl.handle.net/2152/65034 | eng | 1993 International Solid Freeform Fabrication Symposium | Open | ['rapid prototyping', 'Department of Manufacturing Engineering and Operations Management', 'stereolithography'] | Vibratory Finishing of Stereolithography Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/dfee2f29-d292-4447-a6c4-e20488c13e34/download | null | Rapid Prototype polymer resin models produced by Stereolithography have, by the
nature of the process, a relatively poor surface roughness, particularly on concave and
convex surfaces. In many cases this is unacceptable, and slow and tedious manual finishing
techniques are often used to improve the surface.
An investig... | null | null | null | null | null | null |
['Melvin III, Lawrence S.', 'Das, Suman', 'Beaman Jr., Joseph Jr.'] | 2018-09-26T19:21:21Z | 2018-09-26T19:21:21Z | 1994 | Mechanical Engineering | doi:10.15781/T29P2WR3K | http://hdl.handle.net/2152/68587 | eng | 1994 International Solid Freeform Fabrication Symposium | Open | ['Video microscopy', 'selective laser sintering', 'Optical mangification'] | Video Microscopy of Selective Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a08b6c48-8c45-427f-9980-7b75a59cef14/download | null | This paper presents the design and implementation
of a video microscopy system that enables real time observation
and archival of selective laser sintering of polymer
and metal materials. The design objectives and selection of
system components are discussed in the first section of this
paper. Experimental results from... | null | null | null | null | null | null |
['Choi, S.H.', 'Cai, Y.'] | 2021-09-30T14:28:13Z | 2021-09-30T14:28:13Z | 9/23/10 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88256', 'http://dx.doi.org/10.26153/tsw/15197'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['dual-level reconfigurable additive manufacturing system (DRAMS)', 'digital fabrication', 'process performance', 'system configurations'] | A Virtual Dual-Level Reconfigurable Additive Manufacturing System for Digital Object Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/76e437a4-2f3a-42aa-a560-b6092ba7089b/download | University of Texas at Austin | This paper proposes a virtual dual-level reconfigurable additive manufacturing system
(DRAMS) for simulation and verification of deposition strategies in digital fabrication of product
prototypes. The DRAMS is aimed to improve additive manufacturing (AM) processes with the
concept of system reconfiguration. It consists... | null | null | null | null | null | null |
['Gibson, I.', 'Cobb, S.', 'Eastgate, R.'] | 2018-05-03T17:45:45Z | 2018-05-03T17:45:45Z | 1993 | Mechanical Engineering | doi:10.15781/T2QV3CM8T | http://hdl.handle.net/2152/65047 | eng | 1993 International Solid Freeform Fabrication Symposium | Open | ['Department of Manufacturing Engineering and Operations Management', 'Virtual Reality', '3D CAD systems', 'rapid prototyping'] | Virtual Reality and Rapid Prototyping: Conflicting or Complimentary? | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7bb68886-65fd-4650-9fa5-135001b04a85/download | null | It is likely that the uses for virtual reality (VR) will coincide with applications that
rapid prototyping systems have already been used for. VR, with the ability to model real
life environments, presents an ideal base for the design and development of new
manufactured products. As a method of producing physical model... | null | null | null | null | null | null |
['Qiu, Dan', 'Langrana, Noshir A.', 'Danforth, Stephen C.', 'Safar, Ahmad', 'Jafar, Mohsen'] | 2019-03-01T17:29:27Z | 2019-03-01T17:29:27Z | 1998 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73514', 'http://dx.doi.org/10.26153/tsw/664'] | eng | 1998 International Solid Freeform Fabrication Symposium | Open | ['CAD', 'LM'] | Virtual Simulation for Multi-material LM Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/55891e1e-3100-43f6-8b5b-aadd87201b29/download | null | In an ONR funded MURI program, to improve quality of multi-material parts,
we've been developing an advanced computer simulation for the multi-material layered
manufacturing (LM) process. The CAD models and their .stLfiles are created using. the
commercially available software such as I-DEAS and ProE. Using this inform... | null | null | null | null | null | null |
['Duty, Chad', 'Ajinjeru, Christine', 'Kishore, Vidya', 'Compton, Brett', 'Hmeidat, Nadim', 'Chen, Xun', 'Liu, Peng', 'Hassen, Ahmed Arabi', 'Lindahl, John', 'Kunc, Vlastimil'] | 2021-11-02T18:14:11Z | 2021-11-02T18:14:11Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89854 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['viscoelastic model', 'print conditions', 'printability', 'extrusion-based printing'] | A Viscoelastic Model for Evaluation Extrusion-Based Print Conditions | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4e02ec81-20bd-4584-856c-cefafbb69910/download | University of Texas at Austin | Extrusion-based printing systems have improved significantly over the past several years,
allowing for higher throughput, higher temperatures, and larger components. At the same time,
advanced materials are being introduced on the market that can provide improved performance
over a range of operating conditions. Often ... | null | null | null | null | null | null |
['Vaish, Apoorv', 'Yang Lee, Shien', 'Valdivia Alvarado, Pablo'] | 2021-11-09T15:38:53Z | 2021-11-09T15:38:53Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90098', 'http://dx.doi.org/10.26153/tsw/17019'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['viscosity control', 'pseudoplastic polymers', 'embedded 3D-printing', 'direct ink writing'] | Viscosity Control of Pseudoplastic Polymer Mixtures for Applications in Additive-Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/75c321e5-6461-4dec-9ded-11fc6f235dda/download | University of Texas at Austin | Various additive manufacturing (AM) processes exploit the rheological properties of non-Newtonian (e.g. pseudoplastic) polymers for stability and feature realization. For embedded
3D-printing (e3DP) and direct ink writing (DIW), features are deposited on top or within a layer
of matrix/base material and the rheological... | null | null | null | null | null | null |
['Karnati, Sreekar', 'Matta, Niroop', 'Sparks, Todd', 'Liou, Frank'] | 2021-10-07T15:33:00Z | 2021-10-07T15:33:00Z | 2013 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88482', 'http://dx.doi.org/10.26153/tsw/15416'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['laser metal deposition', 'process monitoring', 'thermal camera'] | Vision-based Process Monitoring for Laser Metal Deposition Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0489e5e2-3441-4eda-9170-8c62cd4b05bb/download | University of Texas at Austin | Laser Metal deposition is a process with immense scope and promise for becoming a
robust manufacturing technology in the near future. Monitoring process variables is very
instrumental in process planning and output monitoring. The current work deals with realizing
the effect of power modulation on size of the high temp... | null | null | null | null | null | null |
['Adediran, A.I.', 'Nycz, A.', 'Thornton, A.', 'Love, L.J.'] | 2021-11-04T18:52:19Z | 2021-11-04T18:52:19Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90003', 'http://dx.doi.org/10.26153/16924'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['laser metal wire deposition', 'LMD-w', 'image processing', 'visual sensing', 'discontinuities', 'error detection'] | Visual Sensing and Image Processing for Error Detection in Laser Metal Wire Deposition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/76be9105-9e5c-41f7-8440-340220e95ba3/download | University of Texas at Austin | Laser metal deposition with wire (LMD-w) involves feeding metal wire through a nozzle
and melting the wire with a high-power laser. With efficient process control, i.e. sensing,
processing, and feedback correction of errors, the technology has the potential to change the
course of manufacturing. However, the limitation... | null | null | null | null | null | null |
['Kattethota, Gautham', 'Henderson, Mark'] | 2019-02-22T19:53:22Z | 2019-02-22T19:53:22Z | 1998 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73466', 'http://dx.doi.org/10.26153/tsw/616'] | eng | 1998 International Solid Freeform Fabrication Symposium | Open | ['FDM', 'Rapid Prototyping'] | A Visual Tool to Improve Layered Manufacturing Part Quality | Conference paper | https://repositories.lib.utexas.edu//bitstreams/19159cc2-889f-40de-83c0-726c36372b32/download | null | A software tool is described that will aid the user in. choosing the optimum build orientation
to obtain the ..best composite set of surface finishes on a part built .on a Fused Deposition
Modeling (FDM) rapid prototyping machine.• Experiments were conducted to obtain statistical
.surface roughness values as a function... | null | null | null | null | null | null |
['Choi, S.H.', 'Chan, A.M.M.'] | 2019-10-24T18:06:24Z | 2019-10-24T18:06:24Z | 2002 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/77413', 'http://dx.doi.org/10.26153/tsw/4502'] | eng | 2002 International Solid Freeform Fabrication Symposium | Open | Prototyping | Visualization of Surface Accuracy for Virtual Prototyping | Conference paper | https://repositories.lib.utexas.edu//bitstreams/da94f71c-e098-49a4-95df-8dae12baadd3/download | null | This paper introduces a virtual prototyping (VP) system that simulates a RP
process to produce a virtual prototype of a product, which facilitates visual study of
the surface quality of the physical prototype that the RP machine will subsequently
fabricate. The virtual prototype displayed in a computerized virtual envi... | The authors would like to acknowledge the Research Grant Council of the Hong
Kong SAR Government and the CRCG of the University of Hong Kong for their
financial support for this project. | null | null | null | null | null |
['Campbell, R. Ian', 'Jee, Haeseong J.', 'Lee, H.S.'] | 2019-09-23T16:56:43Z | 2019-09-23T16:56:43Z | 2000 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/75970', 'http://dx.doi.org/10.26153/tsw/3069'] | eng | 2000 International Solid Freeform Fabrication Symposium | Open | Visualization | Visualization Tools for Design Support in SFF 437 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/213867fa-8816-4191-8c2b-4b9719851778/download | null | When considering the use of SFF, there are many questions a designer might ask. What model orientation should be used, will the model have adequate aesthetic and functional properties, is the STL file suitable for transfer to the SFF machine? These questions could be answered by a comprehensive design support system fo... | null | null | null | null | null | null |
['Pegues, Jonathan', 'Roach, Michael', 'Williamson, R. Scott', 'Shamsaei, Nima'] | 2021-11-11T15:08:09Z | 2021-11-11T15:08:09Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90213', 'http://dx.doi.org/10.26153/tsw/17134'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'fatigue behavior', 'defects', 'fractography'] | Volume Effects on the Fatigue Behavior of Additively Manufactured Ti-6Al-4V Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/df161b01-b19f-415f-80e0-b01fc1e03ddf/download | University of Texas at Austin | Recent interest to implement additive manufactured parts into structural applications has created
a critical need to better understand the fatigue behavior of these parts. Alloys such as Ti-6Al-4V
are popular in the aerospace and biomedical industries due to their superior strength to weight ratio
and biocompatibility.... | null | null | null | null | null | null |
['Ma, Di', 'Lin, Feng', 'Chua, Chee Kai'] | 2019-03-08T17:50:40Z | 2019-03-08T17:50:40Z | 1999 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73574', 'http://dx.doi.org/10.26153/tsw/716'] | eng | 1999 International Solid Freeform Fabrication Symposium | Open | ['Rapid prototyping', 'Solid Freeform Fabrication'] | Volume Modeling for Rapid Prototyping | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ea247511-1425-41e7-abfd-b77b4fc20247/download | null | The expanding workspace of Rapid Prototyping will draw on the new developments
in geometric modeling. Volume modeling has substantial advantages over other modeling
schemes to meet the emerging requirements of Rapid Prototyping technology. It provides us with
a new approach to design complex geometry and topology. The ... | null | null | null | null | null | null |
['Yim, Soonkyu', 'Gea, Hae Chang'] | 2019-10-18T16:04:01Z | 2019-10-18T16:04:01Z | 2001 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/76246', 'http://dx.doi.org/10.26153/tsw/3335'] | eng | 2001 International Solid Freeform Fabrication Symposium | Open | Voxel-based | Voxel-based Modeling with Multi-resolution Wavelet Transform for Layered Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3857a0d5-4939-429c-8623-a8a36be079ef/download | null | A voxel-based modeling system with multi-resolution for layered manufacturing is presented in
this paper. When dealing with discretized data input, voxel-based modeling shows its clear
advantages over the conventional geometric modeling methods. To increase the efficiency of
voxel data due to its large storage space re... | null | null | null | null | null | null |
['Ye, Jennings Z.', 'Sun, Yaxuan', 'Taylor, Hayden'] | 2024-03-26T20:25:16Z | 2024-03-26T20:25:16Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124395', 'https://doi.org/10.26153/tsw/51003'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['computed axial lithography', 'surface quality', 'radon transform', 'voxel'] | VOXEL-FREE RADON TRANSFORM FOR IMPROVING SURFACE QUALITY IN COMPUTED AXIAL LITHOGRAPHY | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3a293a2d-ac07-44e7-bd65-c904362eca48/download | University of Texas at Austin | Computed axial lithography (CAL) is an additive manufacturing process that projects light
patterns onto a rotating vial of photosensitive resin to print the desired object through the
superposition of light energy. Currently, these projection patterns are generated by voxelizing a
target object from an STL or another 3... | null | null | null | null | null | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.