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['Johanson, Roy', 'Kikuchi, Noboru', 'Papalambros, Panos'] | 2018-05-03T18:42:28Z | 2018-05-03T18:42:28Z | 1993 | Mechanical Engineering | doi:10.15781/T2FB4X41H | http://hdl.handle.net/2152/65057 | eng | 1993 International Solid Freeform Fabrication Symposium | Open | ['Department of Mechanical Engineering and Applied Mechanics', 'MAXWELL', 'Topology', 'Recursive Mask and Deposit'] | Homogenization Design and Layered Manufacturing of a Lower Control Arm in Project MAXWELL | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ad2234cb-d3db-4370-b4d5-68260c30340c/download | null | We briefly describe a new methodology for the design and manufacture of mechanical components and demonstrate the process for the design of an automobile
suspension component. The methodology is a unique coupling between advanced
technologies for product design and manufacture, which leads to the rapid realization of
s... | null | null | null | null | null | null |
['Buls, S.', 'Clijsters, S.', 'Kruth, J.-P.'] | 2021-10-12T19:40:11Z | 2021-10-12T19:40:11Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88725', 'http://dx.doi.org/10.26153/tsw/15659'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Melting', 'PID feedback controller', 'homogenous melt pool intensity distribution', '2D intensity maps', 'laser scanning', 'melt pool intensity distribution'] | Homogenizing the Melt Pool Intensity Distribution in the SLM Process through System Identification and Feedback Control | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b39a4667-f62e-4a86-a332-464f859dcd50/download | University of Texas at Austin | The common scanning strategies in Selective Laser Melting lead to an inhomogeneous melt pool intensity distribution throughout the different layers and scan tracks. This results in various defects such as porosity at the edges, residual stresses, or even excessive warping and delamination. In this research, this issue ... | null | null | null | null | null | null |
['Baumers, M.', 'Tuck, C.', 'Dickens, P.', 'Hague, R.'] | 2021-10-12T21:03:59Z | 2021-10-12T21:03:59Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88741', 'http://dx.doi.org/10.26153/tsw/15675'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['multi-material Additive Manufacturing', 'Additive Manufacturing', 'material jetting', 'build-time', 'energy consumption', 'production cost', 'photopolymers'] | How Can Material Jetting Systems Be Upgraded for More Efficient Multi-Material Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/3a294c41-d03e-4fd7-82da-676986ba3cd4/download | University of Texas at Austin | Multi-material Additive Manufacturing (AM) platforms are able to build up
components from multiple materials in a single layer-by-layer process. It is expected that this
capability will enable the manufacturing of functional structures within products, such as
conductive tracks or optical pathways, resulting in radical... | null | null | null | null | null | null |
['Stevenson, A.', 'Baumers, M.', 'Segal, J.', 'Macdonell, Sarah'] | 2021-11-08T21:59:32Z | 2021-11-08T21:59:32Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90053', 'http://dx.doi.org/10.26153/tsw/16974'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['cost impact', 'cost analysis', 'part consolidation', 'additive manufacturing', 'PC', 'AM'] | How Significant is the Cost Impact of Part Consolidation Within AM Adoption? | Conference paper | https://repositories.lib.utexas.edu//bitstreams/52d0b8f1-cf14-4a39-9085-4e48785bec54/download | University of Texas at Austin | Successful implementation of advanced manufacturing technologies requires a robust
pre-installation phase involving evaluation and justification of potential benefits. However,
despite part consolidation (PC) being described as one of the major benefits of additive
manufacturing (AM), there has been very little quantif... | null | null | null | null | null | null |
['Weflen, E.D.', 'Peters, F.E.', 'Frank, M.C.'] | 2023-04-05T13:42:42Z | 2023-04-05T13:42:42Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117773', 'http://dx.doi.org/10.26153/tsw/44652'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | Additive manufacturing | Hybrid Additive and Subtractive Manufacturing of Direct-Heated Tooling | Conference paper | https://repositories.lib.utexas.edu//bitstreams/47308ae5-19dc-44ff-b237-e3650cc74c0a/download | null | Pre-heating is a common requirement for production tooling in applications such as
compression and injection molding. While the carbon fiber reinforcements commonly used in
large-area additive manufacturing improve the thermal conductivity of polymers, they are still far
below that of metal tooling. This study prese... | null | null | null | null | null | null |
['Aremu, A.', 'Ashcroft, I.', 'Wildman, R.', 'Hague, R.', 'Tuck, C.', 'Brackett, D.'] | 2021-10-04T21:38:32Z | 2021-10-04T21:38:32Z | 8/17/11 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88356', 'http://dx.doi.org/10.26153/tsw/15295'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['topology optimization', 'additive manufacturing', 'adaptive meshing strategy', 'bidirectional evolutionary structural optimization'] | A Hybrid Algorithm for Topology Optimization of Additive Manufactured Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/913c9e8b-9f84-4df0-ba63-2b73b06004c7/download | University of Texas at Austin | Most topology (TO) algorithms involve the penalization of intricate structural features to eliminate manufacturing difficulties. Since additive manufacturing is less dependent on manufacturing
constraints, it becomes necessary to adapt these algorithms for AM. We propose a hybrid algorithm
consisting of an adaptive mes... | null | null | null | null | null | null |
Boudreaux, J.C. | 2021-10-19T15:12:40Z | 2021-10-19T15:12:40Z | 2014 | Mechanical Engineering | null | https://hdl.handle.net/2152/89293 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'hybrid automata', 'operational features', 'technical issues'] | Hybrid Automata in the Context of Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/99d4d6b8-934d-4480-8feb-1d5d746760f1/download | University of Texas at Austin | To maintain the forward momentum of additive manufacturing technology, it is necessary to thoroughly evaluate
new and potentially useful technological developments in this field. One such development is the intense interest being
directed to the field of hybrid automata (HA). Hybrid automata combine both the discrete p... | null | null | null | null | null | null |
['Wade, Charles', 'Borish, Michael'] | 2023-01-26T14:39:54Z | 2023-01-26T14:39:54Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117308', 'http://dx.doi.org/10.26153/tsw/44189'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | hybrid curve fitting | Hybrid Curve Fitting for Reducing Motion Commands in Object Construction | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6748fff8-633b-4d95-9ee8-7f087e7499c5/download | null | Existing slicing software for additive manufacturing typically requires a triangulated
mesh as its input. Triangulated meshes are approximate representations of exact CAD models.
Despite the loss in dimensional accuracy, triangulated meshes are used because they are
computationally easier to cross-section and offset... | null | null | null | null | null | null |
['Zhang, Haiou', 'Xie, Yang', 'Rui, Daoman', 'Wang, Guilan'] | 2021-10-07T18:13:22Z | 2021-10-07T18:13:22Z | 8/16/13 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88497', 'http://dx.doi.org/10.26153/tsw/15431'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['new AM method', 'hybrid deposition and micro rolling', 'HDMR', 'metallic parts', 'high performance', 'efficiency and low cost'] | Hybrid Deposition and Micro Rolling Manufacturing Method of Metallic Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d192824d-b46f-490d-a7bd-f1adb3b41af3/download | University of Texas at Austin | To conquer the bottleneck problems of cracking, deformation, low accuracy and performance in
existing additive manufacturing (AM) process, a new hybrid direct manufacturing method of metallic
parts which integrates freeform deposition with micro rolling is proposed in this paper. The principle,
devices and simulations ... | null | null | null | null | null | null |
['Baldwin, Martha', 'Meisel, Nicholas A.', 'McComb, Christopher'] | 2024-03-27T15:42:27Z | 2024-03-27T15:42:27Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124486', 'https://doi.org/10.26153/tsw/51094'] | en | 2023 International Solid Freeform Fabrication Symposium | Open | ['multi-lattice transition', 'geometry autoencoder', 'property autoencoder', 'additive manufacturing'] | Hybrid Geometry/Property Autoencoders for Multi-Lattice Transitions | Conference paper | https://repositories.lib.utexas.edu//bitstreams/cc4e6968-ba6f-4da4-adca-75bd2a43917f/download | University of Texas at Austin | Additive manufacturing has revolutionized structural optimization by enhancing component
strength and reducing material requirements. One approach used to achieve these improvements
is the application of multi-lattice structures. The performance of these structures heavily relies on
the detailed design of mesostructura... | null | null | null | null | null | null |
['Coronel, Jose L. Jr', 'Billah, Kazi Md Masum', 'Acosta Carrasco, Carlos F.', 'Barraza, Sol A.', 'Wicker, Ryan B.', 'Espalin, David'] | 2021-11-09T15:53:34Z | 2021-11-09T15:53:34Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90102', 'http://dx.doi.org/10.26153/tsw/17023'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['hybrid manufacturing', 'fused deposition modeling', 'power electronics', 'kapton coated wire', 'polycarbonate'] | Hybrid Manufacturing with FDM Technology for Enabling Power Electronics Component Fabrication | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6e882235-e6b9-45cd-bc7c-ed49f9d1624a/download | University of Texas at Austin | The introduction of Kapton coated wires within a printed substrate presents the opportunity
to design and fabricate power electronics components. Preventing dielectric breakdown of the
printed substrate, the ultrasonic embedding approach enables complex geometrical embedding
through customized software. This work prese... | null | null | null | null | null | null |
['Medina, Frank', 'Lopes, Amit', 'Inamdar, Asim', 'Hennessey, Robert', 'Palmer, Jeremy', 'Chavez, Bart', 'Davis, Don', 'Gallegos, Phil', 'Wicker, Ryan'] | 2020-02-20T19:42:21Z | 2020-02-20T19:42:21Z | 8/23/05 | Mechanical Engineering | null | https://hdl.handle.net/2152/80043 | eng | 2005 International Solid Freeform Fabrication Symposium | Open | ['commercial stereolithography machine', 'rapid prototyping', 'direct-write'] | Hybrid Manufacturing: Integrating Direct Write and Stereolithography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9b154873-8548-4daf-b188-ea5d3804ac59/download | null | A commercial stereolithography (SL) machine was modified to integrate fluid dispensing or
direct-write (DW) technology with SL in an integrated manufacturing environment for
automated and efficient hybrid manufacturing of complex electrical devices, combining threedimensional (3D) electrical circuitry with SL-manufactu... | null | null | null | null | null | null |
['Liravi, Farzad', 'Jacob-John, Varun', 'Toyserkani, Ali', 'Vlasea, Mihaela'] | 2021-11-04T18:12:42Z | 2021-11-04T18:12:42Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/89993', 'http://dx.doi.org/10.26153/16914'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'binder jetting', 'micro-deposition', 'hybrid printing', 'binder distribution', 'silicone materials'] | A Hybrid Method for Additive Manufacturing of Silicone Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/adcc6344-6bb7-48d8-ab3e-2ca671f2bab2/download | University of Texas at Austin | Developing an additive manufacturing (AM) technique for fabrication of complex-shaped
silicone structures is a challenging task due to difficulties in layer-wise dispensing and stacking of
such non-Newtonian viscous materials. The need for such a technique becomes apparent when
surveying the ever-increasing application... | null | null | null | null | null | null |
['Ferreira, J. C.', 'Madureira, H.', 'Beira, R.'] | 2020-02-27T19:28:24Z | 2020-02-27T19:28:24Z | 2006 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80094', 'http://dx.doi.org/10.26153/tsw/7115'] | eng | 2006 International Solid Freeform Fabrication Symposium | Open | rapid product development | Hybrid Prototypes to Assist Modeling Automotive Seats | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b2388b2e-fc44-4613-b0af-34a3cb2f6d85/download | null | The development of new modular seats is an important issue in the automotive industry.
However, is very time consuming and costly. Virtual models and hybrid prototypes could
accelerate the car seats development process. The hybrid prototypes are mainly manufactured by
rapid prototyping with multi materials. The objecti... | null | null | null | null | null | null |
['Frank, Matthew C.', 'Peters, Frank E.', 'Luo, Xiaoming', 'Meng, Fanqi', 'Petrzelka, Joseph'] | 2021-09-28T18:21:40Z | 2021-09-28T18:21:40Z | 2009-09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88145', 'http://dx.doi.org/10.26153/tsw/15086'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['sand castings', 'Rapid Pattern Manufacturing'] | A Hybrid Rapid Pattern Manufacturing System for Sand Castings | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b71f75c4-f260-4fdb-aabb-c253c312cfc7/download | University of Texas at Austin | This paper presents a Rapid Pattern Manufacturing system developed for the sand casting process. It
involves both additive and subtractive techniques whereby slabs are sequentially bonded and milled using
layered toolpaths. As such, patterns are grown in a bottom-up fashion, both eliminating the need for
multi-axis ope... | null | null | null | null | null | null |
['Cohen, Daniel L.', 'Lipton, Jeffrey I.', 'Cutler, Meredith', 'Coulter, Deborah', 'Vesco, Anthony', 'Lipson, Hod'] | 2021-09-29T20:23:03Z | 2021-09-29T20:23:03Z | 9/18/09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88213', 'http://dx.doi.org/10.26153/tsw/15154'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['Solid Freeform Fabrication', 'food', 'food production', 'culinary field', 'hydrocolloids', 'flavor agents', 'molecular gastronomy'] | Hydrocolloid Printing: A Novel Platform for Customized Food Production | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ac256b22-d43d-434c-9162-05fefb14aa00/download | University of Texas at Austin | Solid Freeform Fabrication (SFF) of food has the potential to drastically impact both culinary
professionals and laypeople; the technology will fundamentally change the ways we produce and
experience food. Several imposing barriers to food-SFF have been overcome by recent open-source printing projects. Now, materials i... | null | null | null | null | null | null |
['Arcaute, Karina', 'Ochoa, Luis', 'Mann, Brenda', 'Wicker, Ryan'] | 2020-02-24T15:17:24Z | 2020-02-24T15:17:24Z | 8/23/05 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80080', 'http://dx.doi.org/10.26153/tsw/7101'] | eng | 2005 International Solid Freeform Fabrication Symposium | Open | stereolithography | Hydrogels in Stereolithography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/298949ad-1be9-4f0f-8451-742243587600/download | null | The use of stereolithography (SL) for fabricating complex three-dimensional (3D) tissue
engineered scaffolds of aqueous poly(ethylene glycol) (PEG) hydrogel solutions is described.
The primary polymer used in the study was PEG-dimethacrylate (PEG-dma) with an average
molecular weight (MW) of 1000 in distilled water wit... | null | null | null | null | null | null |
['French, M.R.', 'Yarberry, W.A. III', 'Pawlowski, A.E.', 'Shyam, A.', 'Splitter, D.A.', 'Elliott, A.M.', 'Carver, J.K.', 'Cordero, Z.C.'] | 2021-11-04T20:53:53Z | 2021-11-04T20:53:53Z | 2017 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90025', 'http://dx.doi.org/10.26153/16946'] | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['A356', '316L', 'stainless steel', 'hypervelocity impact', 'interpenetrating phase composite', 'additive manufacture'] | Hypervelocity Impact of Additively Manufactured A356/316L Interpenetrating Phase Composites | Conference paper | https://repositories.lib.utexas.edu//bitstreams/91024cb5-e794-4a65-a696-43035c7c9600/download | University of Texas at Austin | We have examined the hypervelocity impact response of targets made from monolithic
A356 and 316L stainless steel, as well as an additively manufactured A356/316L interpenetrating
phase composite. 1.9 mm diameter spherical projectiles made from 2017 aluminum were fired at
velocities of 5.9-6.1 km/s, allowing for the obs... | null | null | null | null | null | null |
['Seltzer, D.', 'Schiano, J.L.', 'Nassar, A.R.', 'Reutzel, E.W.'] | 2021-10-28T20:02:49Z | 2021-10-28T20:02:49Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89687 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['optical illumination', 'image processing', 'melt-pool width', 'build height', 'real-time control', 'melt pool geometry', 'directed energy deposition', 'additive manufacturing'] | Illumination and Image Processing for Real-Time Control of Directed Energy Deposition Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/4e81070b-0b19-4bdd-aadf-2295e92a3b74/download | University of Texas at Austin | This paper describes the optical setup and image processing required to estimate melt-pool width
and build height for real-time control of melt-pool geometry in directed energy deposition additive
manufacturing. To overcome optical interference from plasma emissions and laser interactions,
the melt-zone is imaged using... | null | null | null | null | null | null |
['Lang, Andrew', 'Ortiz Rios, Cesar', 'Newkirk, Joseph', 'Landers, Robert G.', 'Castle, James', 'Bristow, Douglas A.'] | 2021-12-07T18:01:22Z | 2021-12-07T18:01:22Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90739', 'http://dx.doi.org/10.26153/tsw/17658'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['image registration', 'matching error', '2D image', '3D image', '301L', 'stainless steel', 'laser powder bed fusion'] | Image Registration and Matching Error in 2D and 3D for Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/941818e2-4d10-43d0-857a-c3dbf8b019fb/download | University of Texas at Austin | This work outlines a method to register 2D and 3D images taken post-process and in situ
from 301L stainless steel parts printed by Laser Powder Bed Fusion. The process uses
DREAM.3D, an open-source software that provides for data transport in a non-proprietary format.
The Robust Automatic Threshold selection technique ... | null | null | null | null | null | null |
['Hauser, C.', 'Lewis, D. M.', 'Dunschen, M.', 'Egan, M.', 'Sutcliffe, C.'] | 2020-03-09T14:21:11Z | 2020-03-09T14:21:11Z | 2007 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80182', 'http://dx.doi.org/10.26153/tsw/7201'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | Spiral growth manufacturing | Image Transformations and Printing of Plaster Layers in Spiral Growth Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a74fed63-7f95-40d7-9876-2f26b1876fce/download | null | Spiral growth manufacturing (SGM) is a high speed rapid manufacturing technique in
which objects are built up, layer by layer, by simultaneously depositing, levelling and selectively
consolidating thin powder layers onto a rotating build platform. The size and position of the
jetted droplets are mapped by the position ... | null | null | null | null | null | null |
['He, Li', 'Fei, Fan', 'Wang, Wenbo', 'Song, Xuan'] | 2021-11-15T22:16:35Z | 2021-11-15T22:16:35Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90291', 'http://dx.doi.org/10.26153/tsw/17212'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['immiscible interface', 'direct metal drawing', 'colloidal suspension', 'self-stabilization', 'heat treatment'] | Immiscible-Interface Assisted Direct Metal Drawing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/2093d106-c698-4742-9240-a8ee0d13e77d/download | University of Texas at Austin | State-of-the-art metal additive manufacturing (AM) techniques construct a three-dimensional (3D) structure through sintering or melting dry metal powders in a layer-by-layer
fashion, which consequently results in some typical manufacturing defects in the final structure,
such as residual stress and highly-orientated mi... | null | null | null | null | null | null |
['Brennan-Craddock, J. P. J.', 'Bingham, G. A.', 'Hague, R. J. M.', 'Wildman, R. D.'] | 2020-03-11T15:26:53Z | 2020-03-11T15:26:53Z | 2008 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80251', 'http://dx.doi.org/10.26153/tsw/7270'] | eng | 2008 International Solid Freeform Fabrication Symposium | Open | Rapid Manufacturing | Impact Absorbent Rapid Manufactured Structures (IARMS) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0301e9fe-4d31-4cc1-936c-2e1cecdba437/download | null | Rapid Manufacturing (RM) is increasingly becoming a viable manufacturing process due
to dramatic advantages that it facilitates in the area of design complexity. Through the
exploration of the design freedom afforded by RM, this paper introduces the concept and initial
research surrounding Impact Absorbent Rapid Manufa... | null | null | null | null | null | null |
['Lindemann, C.', 'Jahnke, U.', 'Moi, M.', 'Koch, R.'] | 2021-10-12T18:50:56Z | 2021-10-12T18:50:56Z | 8/16/13 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88718', 'http://dx.doi.org/10.26153/tsw/15652'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['Additive Manufacturing', 'lifecycle costs', 'costing model', 'product lifecycle'] | Impact and Influence Factors of Additive Manufacturing on Product Lifecycle Costs | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fbdf45f1-2dcf-46e8-839e-e1c41aec40f1/download | University of Texas at Austin | At first sight the direct costs of Additive Manufacturing (AM) seem too high in comparison to
traditional manufacturing. Considering the whole lifecycle costs of parts changes the point of
view. Due to the modification of the new production process and new supply chains during a
parts lifecycle, producing companies can... | null | null | null | null | null | null |
['Wu, Y.', 'Hermes, J.', 'Verbelen, L.', 'Yang, L.'] | 2021-11-30T21:35:04Z | 2021-11-30T21:35:04Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90556', 'http://dx.doi.org/10.26153/tsw/17475'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['cellular structures', 'thermoplastic polyurethane', 'TPU', 'impact energy absorption', 'powder bed fusion'] | Impact Energy Absorption Ability of Thermoplastic Polyurethane (TPU) Cellular Structures Fabricated via Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6e961562-add5-4f53-a2ec-8b3f9e63bacc/download | University of Texas at Austin | In this study, experimental based investigation was carried out with various cellular
structure designs realized using a developmental thermoplastic polyurethane (TPU) fabricated by
powder bed fusion process, in the attempt to evaluate the effectiveness of impact energy absorption
design with cellular structures when c... | null | null | null | null | null | null |
['Corbin, David J.', 'Nassar, Abdalla R.', 'Reutzel, Edward W.', 'Kistler, Nathan A.', 'Beese, Allison M.', 'Michaleris, Pan'] | 2021-10-27T21:27:58Z | 2021-10-27T21:27:58Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89620 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['directed energy deposition', 'laser cladding', 'Ti-6Al-4V', 'additive manufacturing', 'distortion', 'in situ measurements'] | Impact of Directed Energy Deposition Parameters on Mechanical Distortion of Laser Deposited Ti-6Al-4V | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ebc74849-3b3b-4596-b054-fc57782a5f49/download | University of Texas at Austin | The effects of laser-based powder-fed directed energy deposition processing parameters
on the distortion of deposited Ti-6Al-4V parts are assessed through in situ monitoring.
Experiments were conducted wherein substrate thickness, deposition thickness, and initial
substrate temperature were varied in order to investiga... | null | null | null | null | null | null |
['Sinha, Swapnil', 'Meisel, Nicholas A.'] | 2021-11-30T19:13:48Z | 2021-11-30T19:13:48Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90517', 'http://dx.doi.org/10.26153/tsw/17436'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['material extrusion additive manufacturing', 'cavity design', 'toolpath design', 'thermal history'] | Impact of Embedding Cavity Design on Thermal History between Layers in Polymer Material Extrusion Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9250ec57-7fb1-40ed-a3ec-e7c8bb97802f/download | University of Texas at Austin | By pausing an additive manufacturing process in mid-print, it is possible to create
multifunctional structures through strategic insertion of foreign components. However, in polymer
material extrusion, previous research has shown that pausing the build decreases the eventual
strength of the final part, due to cooling b... | null | null | null | null | null | null |
['Kleijnen, R.G.', 'Schmid, M.', 'Wegener, K.'] | 2021-11-18T01:39:36Z | 2021-11-18T01:39:36Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90396', 'http://dx.doi.org/10.26153/tsw/17317'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['flow aid', 'flowability', 'coalescence', 'polybutylene terephthalate', 'PBT', 'selective laser sintering'] | Impact of Flow Aid on the Flowability and Coalescence of Polymer Laser Sintering Powder | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8d0b11d9-72ba-4f3e-9ab6-f3e4297cbc89/download | University of Texas at Austin | Small amounts of nanometer-sized flow aids are typically added to polymer powders
for selective laser sintering to increase flowability. These additives reduce friction between
particles by electrostatic repulsion, leading to better bed density and part properties. The same
repulsion however can hinder particle coalesc... | null | null | null | null | null | null |
['Campbell, R.I.', 'Hodgson, A.R.'] | 2019-11-20T15:47:50Z | 2019-11-20T15:47:50Z | 2003 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78461', 'http://dx.doi.org/10.26153/tsw/5546'] | eng | 2003 International Solid Freeform Fabrication Symposium | Open | Industrial | The Impact of In-House RP Upon Final Year Industrial Design Student Projects | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b09c1056-0b50-4d87-b4b2-e0f1bf7e6499/download | null | A vital part of the Industrial Design and Technology degree course at Loughborough
University is the development of appearance and functional prototypes. Previously, the use of
rapid prototyping (RP) has been fairly limited because of the high cost and problematic timing
issues of using external facilities. However, du... | null | null | null | null | null | null |
['Praniewicz, M.', 'Fox, J.C.', 'Saldana, C.'] | 2023-03-30T16:16:26Z | 2023-03-30T16:16:26Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117700', 'http://dx.doi.org/10.26153/tsw/44579'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | Additive manufacturing | The Impact of Measurement Methodology on the Diameter Measurement of Simple Additively Manufactured Features | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7b2d0484-25d4-4a55-8e0f-29061c4607b3/download | null | Dimensional qualification of additive manufacturing (AM) components is a continuing research
problem. Different measurement techniques implemented on the same feature can yield different
measurement results. While this can also be true for components made from more traditional
manufacturing processes, the deviations... | null | null | null | null | null | null |
['Gong, Haijun', 'Runzi, Michael', 'Wang, Zezheng', 'Wu, Lianjun'] | 2023-01-19T17:45:21Z | 2023-01-19T17:45:21Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117250', 'http://dx.doi.org/10.26153/tsw/44131'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | 3d printing | Impact of Moisture Absorption on 3D Printing Nylon Filament | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9e197366-3c07-474f-9597-88407a15f783/download | null | Nylon is a commonly used thermoplastic material featured for its high resistance to heat,
chemical, and impact. Nylon filaments that facilitate complex part manufacturing through the
extrusion-based 3D printing process are widely used in industry and can be easily acquired from
various vendors or suppliers. However,... | null | null | null | null | null | null |
['Heinrich, Lauren', 'Fletcher, Joseph', 'Feldhausen, Thomas', 'Kurfess, Thomas', 'Saldaña, Christopher'] | 2023-01-27T14:05:35Z | 2023-01-27T14:05:35Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117334', 'http://dx.doi.org/10.26153/tsw/44215'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Hybrid manufacturing', 'Blown-powder DED', 'Catchment efficiency'] | Impact of Nozzle Condition on Powder Catchment Efficiency for Coaxial Powder Direct Energy Deposition | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1c4fd24e-22f3-4860-aeaa-27280ebaeca4/download | null | Blown powder directed energy deposition is well-designed for fine resolution additive
manufacturing processing. Coaxial powder deposition heads use an outer layer of shielding gas
directed by an outer nozzle to prevent oxidation occurring during the powder melting process.
Powder blown feedstock catchment efficiency... | null | null | null | null | null | null |
['Zhou, Wenchao', 'Loney, Drew', 'Fedorov, Andrei G.', 'Degertekin, F. Levent', 'Rosen, David W.'] | 2021-09-30T18:47:31Z | 2021-09-30T18:47:31Z | 2010 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88276', 'http://dx.doi.org/10.26153/tsw/15217'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['ink-jet printing', 'droplet deposition', 'droplet impact behavior'] | Impact Of Polyurethane Droplets on a Rigid Surface for Ink-Jet Printing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0fa5669f-b76f-462f-9bd8-1f1ae18fb3bc/download | University of Texas at Austin | Ink-jet printing enables a more efficient, economic, scalable manufacturing process for a wider
variety of materials than other traditional additive techniques. Understanding droplet impact onto
a substrate is critical for accuracy control and optimization of the droplet deposition process.
This paper reviews fundament... | null | null | null | null | null | null |
['Ramachandra, S.', 'Ravichander, B.B.', 'Farhang, B.', 'Ganesh-Ram, A.', 'Hanumantha, M.', 'Marquez, J.', 'Humphrey, G.', 'Swails, N.', 'Amerinatanzi, A.'] | 2021-12-06T22:45:43Z | 2021-12-06T22:45:43Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90703', 'http://dx.doi.org/10.26153/tsw/17622'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'porous structures', 'mechanical properties', 'IN718', 'microstructure', 'Vickers hardness'] | Impact of Porosity Type on Microstructure and Mechanical Properties in Selectively Laser Melted IN718 Lattice Structures | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ddcc866c-c0b1-4fb9-99bf-2a5a22da52ad/download | University of Texas at Austin | Laser Powder Bed Fusion (LPBF), one of the most employed additive manufacturing techniques
for metals, has opened new dimensions in realizing strong and weight reducing structures. In this
study, Inconel 718 (IN718) unit cell designs, were fabricated through the LPBF technique and
analyzed. Among the plethora of lattic... | null | null | null | null | null | null |
['Khajavi, S.H.', 'Deng, G.', 'Holmström, J.', 'Puukko, P.'] | 2021-10-28T15:51:37Z | 2021-10-28T15:51:37Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89669 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'raw material commoditization', 'supply chain'] | Impact of Raw Material Commoditization on Supply Chains | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ef033abb-18a7-4987-8286-60f5ebc9199e/download | University of Texas at Austin | In this research we analyze the impact of a less cost intensive raw material supply chain
on the utilization of additive manufacturing (AM) and its implications for the whole production
supply chain. Utilizing the case data and scenario modeling we compared the competitiveness of
additive manufacturing in comparison to... | null | null | null | null | null | null |
['Dwivedi, R.', 'Bhupathiraj, Ravi', 'Bhupathiraju, Rohit', 'Agarwal, Anvita', 'Dwivedi, Indira', 'Dwivedi, Bharat', 'Nadella, Saketh'] | 2021-12-01T21:55:55Z | 2021-12-01T21:55:55Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90628', 'http://dx.doi.org/10.26153/tsw/17547'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['competitive robotics', 'solid freeform fabrication', 'design', 'prototyping'] | Impact of Solid Freeform Fabrication in Enabling Design and Prototyping Capabilities for Competitive Robotics such as World Robotics League, FTC, FRC, WRO etc. | Conference paper | https://repositories.lib.utexas.edu//bitstreams/75f1b694-4cad-480e-9ca9-c33d8587f27e/download | University of Texas at Austin | Competitive Robotics such as World Robotics League (WRL), World Robotics Olympiad (WRO),
BEST, FIRST programs such as FTC and FRC, etc. have recently evolved as an avenue for
learning, innovation and providing real life perspective to classroom learning. Given the short
duration for Robot Development and diverse range ... | null | null | null | null | null | null |
['Obeidat, Suleiman', 'Nervis, Joe Jr.', 'Ma, Junkun'] | 2023-02-10T14:14:26Z | 2023-02-10T14:14:26Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117451', 'http://dx.doi.org/10.26153/tsw/44332'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Additive manufacturing', 'FFF/ FDM', '316L stainless steel'] | The Impact of the Printed Part Geometry on the Shrinkage and the Density of 316L Stainless Steel Parts Printed by FFF/FDM Technology | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d43fd2e9-f43d-46b4-aa8a-54ea48a34c58/download | null | null | null | null | null | null | null | null |
['Neff, Clayton', 'Trapuzzano, Matthew', 'Crane, Nathan B.'] | 2021-11-01T22:09:08Z | 2021-11-01T22:09:08Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89775 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['surface roughness', 'surface finish', 'strength', 'ductility', 'vapor polishing', 'ABS', '3D printing'] | Impact of Vapor Polishing on Surface Roughness and Mechanical Properties for 3D Printed ABS | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1d06b5f3-5641-4114-afae-ed6299547bbe/download | University of Texas at Austin | Additive manufacturing (AM) is useful when creating complex geometric models and
prototypes. However, a well-known drawback is the fact that parts produced by AM methods
typically have lower strength and higher surface roughness than traditionally-formed parts. To
compensate for this, the surface finish is commonly imp... | null | null | null | null | null | null |
['Sperry, McKay', 'Bates, Jakob', 'Davis, Taylor', 'Nelson, Tracy W.', 'Crane, Nathan B.'] | 2023-01-27T14:45:13Z | 2023-01-27T14:45:13Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117341', 'http://dx.doi.org/10.26153/tsw/44222'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Laser Powder Bed Fusion', 'Stainless Steel 316L', 'Zirconia'] | Impact of Zirconia Slurry Doping on 316L Stainless Steel Prepared by Laser Powder Bed Fusion for Biological/High Corrosion Applications | Conference paper | https://repositories.lib.utexas.edu//bitstreams/54f9820f-ca89-4956-a9e1-cd239c54302c/download | null | Laser Powder Bed Fusion (LPBF) is a versatile additive manufacturing (AM) method used
primarily for processing plastics and metals. Stainless steel (type 316L) is a biocompatible metal
used extensively for LPBF and commonly for medical applications. Zirconium Dioxide (zirconia)
is a common engineering material used ... | null | null | null | null | null | null |
['Gong, Haijun', 'Xing, Xiaodong', 'Nel, Jan'] | 2021-11-18T01:16:32Z | 2021-11-18T01:16:32Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90388', 'http://dx.doi.org/10.26153/tsw/17309'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['PEEK', 'impact strength', '3D printing'] | Impact Strength of 3D Printed Polyether-ether-ketone (PEEK) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6404e40e-78ab-4500-81e1-bec5333eb9b3/download | University of Texas at Austin | Polyether-ether-ketone (PEEK) is a high-performance thermoplastic with high heat-, high
chemical-, high water-, and high wear-resistance. Its strength and durability also make it highly
accepted for a range of industrial applications. 3D printing of PEEK filaments offers a unique
quality and flexibility in making PEEK ... | null | null | null | null | null | null |
['Scrocco, Mackenzie', 'Chamberlain, Timothy', 'Chow, Chloe', 'Weinreber, Logan', 'Elks, Edward', 'Halford, Connor', 'Cortes, Pedro', 'Conner, Brett P.'] | 2021-11-10T22:22:28Z | 2021-11-10T22:22:28Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90191', 'http://dx.doi.org/10.26153/tsw/17112'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['impact testing', 'kevlar', 'markforged', 'projectile'] | Impact Testing of 3D Printed Kevlar-Reinforced Onyx Material | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b8abe53c-d787-4305-9d8c-09c513eed9c0/download | University of Texas at Austin | Kevlar is a common reinforcement used in composites for applications requiring impact
resistance. This research evaluated the impact performance of 3D printed continuously
reinforced Kevlar fiber on 3D printed nylon composites containing chopped carbon fiber (CCF).
The 3D printer used was a Markforged Mark Two material... | null | null | null | null | null | null |
['Wasser, Tobias', 'Jayal, Anshu Dhar', 'Pistor, Christoph'] | 2019-03-11T16:33:42Z | 2019-03-11T16:33:42Z | 1999 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/73580', 'http://dx.doi.org/10.26153/tsw/722'] | eng | 1999 International Solid Freeform Fabrication Symposium | Open | ['FDM', 'Construction Procedures'] | Implementation and Evaluation of Novel Buildstyles in Fused Deposition Modeling (FDM) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0c571c76-5ee2-46cf-8ff5-cee452bf2392/download | null | Previous investigations have shown that the optimization of extrusion dynamics in .conjunction with the buildstyle pattern is of paramount importance to increase part quality in
Fused Deposition Modeling (FDM). Recently domain decomposition and space filling
curves have been introduced for slice generation in FDM [1]. ... | null | null | null | null | null | null |
Silwal, B. | 2021-11-16T15:42:13Z | 2021-11-16T15:42:13Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90318', 'http://dx.doi.org/10.26153/tsw/17239'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['material processing', 'hands-on', '3D printer', 'engineering course', 'engineering education'] | Implementation of 3D Printer in the Hands-On Material Processing Course: An Educational Paper | Conference paper | https://repositories.lib.utexas.edu//bitstreams/aafd3f6d-d836-4f3d-b215-b14336ddbcb3/download | University of Texas at Austin | Manufacturing equipment and technology will continue to be an integral part of engineering education. Using
advanced and modern equipment and technology not only emphasizes hands-on activity-based teaching and
learning, but it also makes the educator and the program competitive. There are many advantages to implementin... | null | null | null | null | null | null |
['Pratap, Aparajit', 'Crawford, Richard H.'] | 2019-11-20T15:56:40Z | 2019-11-20T15:56:40Z | 2003 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/78463', 'http://dx.doi.org/10.26153/tsw/5548'] | eng | 2003 International Solid Freeform Fabrication Symposium | Open | Material Modeling | Implementation of a Functionally Gradient Material Modeling and Design System | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fa34ffad-2701-414a-a788-9d8017fa7ed8/download | null | New advancements in Solid Freeform Fabrication (SFF) processes promise the capability
to produce Functionally Gradient Material (FGM) parts, in which the material compositions vary
spatially. To realize this potential there is a need for CAD methods and design software to
model, design, represent and exchange material ... | null | null | null | null | null | null |
['Ito, Fumio', 'Niino, Toshiki'] | 2021-11-01T21:42:30Z | 2021-11-01T21:42:30Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89764 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['poly phenylene sulfide', 'low temperature', 'tophat profile laser', 'laser sintering'] | Implementation of Tophat Profile Laser into Low Temperature of Poly Phenylene Sulfide | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bc29a658-e184-4cd7-9075-f0140e35bf04/download | University of Texas at Austin | Poly Phenylene Sulfide is a high performance plastics that is used in high-value parts. The
most commercially available plastic laser sintering machines employ Gaussian profile CO2 laser.
In this research, low temperature process of the material with tophat profile laser is tested. By
using tophat profile, a tensile st... | null | null | null | null | null | null |
Frank, Matthew C. | 2020-03-09T13:51:46Z | 2020-03-09T13:51:46Z | 2007 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80179', 'http://dx.doi.org/10.26153/tsw/7198'] | eng | 2007 International Solid Freeform Fabrication Symposium | Open | Rapid Prototyping | Implementing Rapid Prototyping Using CNC Machining (CNC-RP) Through a CAD/CAM Interface | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8f5ea8c0-dc7e-4f62-94a3-4a8b3a5096db/download | null | This paper presents the methodology and implementation of a rapid machining system using a
CAD/CAM interface. Rapid Prototyping using CNC Machining (CNC-RP) is a method that has
been developed which enables automatic generation of process plans for a machined component.
The challenge with CNC-RP is not the technical pr... | null | null | null | null | null | null |
['Adams, D.W.', 'Turner, C.J.'] | 2021-11-02T20:14:52Z | 2021-11-02T20:14:52Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89885 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['implicit slicing method', 'infill pattern', 'GCode', 'fused deposition modeling'] | Implicit Slicing Method for Additive Manufacturing Processes | Conference paper | https://repositories.lib.utexas.edu//bitstreams/37b860f2-8bd6-41ed-837a-c8c4443a4e50/download | University of Texas at Austin | All additive manufacturing processes involve a distinct preprocessing stage in which a set
of instructions, or GCode, that control the process specific manufacturing tool are generated,
otherwise known as slicing. In regards to fused deposition modeling, the GCode defines many
crucial parameters which are needed to pro... | null | null | null | null | null | null |
['Deckard, Carl', 'Miller, David'] | 2018-10-05T18:30:41Z | 2018-10-05T18:30:41Z | 1995 | Mechanical Engineering | doi:10.15781/T26W96V1G | http://hdl.handle.net/2152/68722 | eng | 1995 International Solid Freeform Fabrication Symposium | Open | ['SLS', 'SFF', 'CAD'] | Improved Energy Delivery For Selective Laser Sintering | Conference paper | https://repositories.lib.utexas.edu//bitstreams/489cdc5e-801b-4982-8d3f-45da71ae25e6/download | null | Selective Laser Sintering (SLS) is a leadingtechnology in the important new area of Solid
Freeform Fabrication (also ca1ledR.apid Prototyping). Selective Laser Sintering produces freeform
parts directly from a CAD model by building the parts up in layers from a powder. A laser is used
to selectively melt each layer of ... | null | null | null | null | null | null |
['Martina, Filomeno', 'Williams, Stewart W.', 'Colegrove, Paul'] | 2021-10-11T20:44:49Z | 2021-10-11T20:44:49Z | 2013 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88640', 'http://dx.doi.org/10.26153/tsw/15574'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['additive manufacturing', 'Ti-6Al-4V', 'interpass rolling', 'microstructure', 'distortion', 'residual stress', 'ansiotropy'] | Improved Microstructure and Increased Mechanical Properties of Additive Manufacture Produced Ti-6Al-4V By Interpass Cold Rolling | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6069348b-a63d-4fae-b51f-f6211b000329/download | University of Texas at Austin | Distortion, residual stress and mechanical property anisotropy are current challenges in additive manufacturing (AM) of Ti–6Al–4V. High-pressure, interpass rolling was applied to linear
AM parts and resulted in a change from large columnar prior β grains to a completely equiaxed
microstructure with grains as small as 8... | null | null | null | null | null | null |
['Cohen, Daniel L.', 'Tsavaris, Andrew M.', 'Lo, Winifred M.', 'Bonassar, Lawrence J.', 'Lipson, Hod'] | 2021-09-28T17:53:19Z | 2021-09-28T17:53:19Z | 9/10/08 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88137', 'http://dx.doi.org/10.26153/tsw/15078'] | eng | 2008 International Solid Freeform Fabrication Symposium | Open | ['alginate hydrogels', 'Solid Freeform Fabrication', 'cell-seeded tissue engineering scaffolds'] | Improved Quality of 3D-Printed Tissue Constructs Through Enhanced Mixing of Alginate Hydrogels | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f74acc54-df40-4480-8199-1c1f46bd3c11/download | University of Texas at Austin | While alginate hydrogel is a desirable material platform for Solid Freeform Fabrication (SFF) of
cell-seeded tissue engineering scaffolds, achieving consistently high-quality results can be
challenging. Local variations in the material properties cause inconsistent material deposition
behavior and consequently decre... | null | null | null | null | null | null |
['Emami, Mohammad Mahdi', 'Rosen, David W.'] | 2021-11-15T21:12:52Z | 2021-11-15T21:12:52Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90274', 'http://dx.doi.org/10.26153/tsw/17195'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['photopolymerization', 'photobleaching', 'grayscale stereolithography', 'volumetric intensity'] | An Improved Vat Photopolymerization Cure Model Demonstrates Photobleaching Effects | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9da46d83-a04d-4e1d-a079-200b4758189b/download | University of Texas at Austin | An improved high-fidelity simulation model for a grayscale projection micro-stereolithography
process has been developed. The modeling purpose is to accurately predict cured part shapes and
dimensions, given a radiation intensity distribution. The model employs COMSOL to solve a series
of chemical reaction differential... | null | null | null | null | null | null |
['Niino, Toshiki', 'Morita, Keisuke'] | 2021-09-30T13:48:21Z | 2021-09-30T13:48:21Z | 9/23/10 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88251', 'http://dx.doi.org/10.26153/tsw/15192'] | eng | 2010 International Solid Freeform Fabrication Symposium | Open | ['plastic laser sintering', 'additive manufacturing', 'spot sized CO2 laser beams', 'micro-plastic-laser-sintering', 'fine geometries', 'complex geometries'] | Improvement in Geometrical Resolution of Plastic Laser Sintering by using Reduced Spot Sized Laser | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1f5fe2ab-8b0b-4ff9-9452-b65743a78234/download | University of Texas at Austin | Plastic laser sintering is one of the most promising processes for rapid manufacturing
among various additive manufacturing (AM) technologies. Though the process tends to
be applied to fabrication of larger parts in comparison to stereolithography, its ability of
creating complex structure as an advantage of additive m... | null | null | null | null | null | null |
['Chen, Ssuwei', 'Bourell, David L.', 'Wood, Kristin L.'] | 2020-02-24T15:26:22Z | 2020-02-24T15:26:22Z | 8/3/05 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80082', 'http://dx.doi.org/10.26153/tsw/7103'] | eng | 2005 International Solid Freeform Fabrication Symposium | Open | proton exchange membrane | Improvement of Electrical Conductivity of SLS PEM Fuel Cell Bipolar Plates | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fb6acb34-1e6e-47a3-8345-5774df03de88/download | null | Previous work in this research demonstrated the feasibility of fabrication of proton
exchange membrane (PEM) fuel cell bipolar plates by an indirect selective laser sintering
(SLS) route. Properties of the SLS bipolar plate, such as flexural strength, corrosion
resistance and gas impermeability, etc. are quite promisin... | null | null | null | null | null | null |
['Kigure, T.', 'Niino, T.'] | 2021-11-02T18:32:08Z | 2021-11-02T18:32:08Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89862 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['recycle rate', 'low temperature', 'processing', 'laser sintering'] | Improvement of Recycle Rate in Laser Sintering by Low Temperature Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/00f44607-95f9-43bf-846a-139e555173e9/download | University of Texas at Austin | Laser sintering process selectively solidifies its powder bed to obtain designated parts and leaves the rest
unsolidified. When the remained powder is recycled, a certain amount of fresh powder is added to moderate the
effect of deterioration by preheating in the previous batch. In terms of economy, improvement of the ... | null | null | null | null | null | null |
['Nelson, Christian', 'McAlea, Kevin', 'Gray, Damien'] | 2018-10-10T15:29:47Z | 2018-10-10T15:29:47Z | 1995 | Mechanical Engineering | doi:10.15781/T2222RR22 | http://hdl.handle.net/2152/68754 | eng | 1995 International Solid Freeform Fabrication Symposium | Open | ['SLS', 'material shrinkage', 'laser beam'] | Improvements in SLS Part Accuracy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6297e24b-7f12-437b-9c3b-f958da9ea5c8/download | null | SLS® part accuracy is influenced by a number ofmachine and material characteristics. Some of
the most significant sources of error are associated with laser beam positioning (static and
dynamic) on the part bed surface and uncertainty in the calibration factors used to compensate
for material shrinkage and growth as we... | null | null | null | null | null | null |
['Crane, N. B.', 'Wilkes, J.', 'Sachs, E.', 'Allen, S. M.'] | 2020-02-21T15:28:32Z | 2020-02-21T15:28:32Z | 8/26/05 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80063', 'http://dx.doi.org/10.26153/tsw/7085'] | eng | 2005 International Solid Freeform Fabrication Symposium | Open | Solid freeform fabrication | Improving Accuracy of Powder Sintering-based SFF Processes by Metal Deposition from Nanoparticle Dispersion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/7ad1dadf-d16e-4971-8c49-e733f4579364/download | null | Solid Freeform Fabrication processes such as three-dimensional printing (3DP) and selective
laser sintering (SLS) produce porous parts that must be densified. New steel infiltration methods
can produce parts of standard alloy compositions with properties comparable to wrought
materials. However, the infiltration proces... | null | null | null | null | null | null |
['Vetterli, M.', 'Schmid, R.', 'Schmid, M.', 'Harke, S.', 'Durand, T.', 'Wegener, K.'] | 2021-10-21T21:08:22Z | 2021-10-21T21:08:22Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89449 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['selective laser sintering', 'energy efficiency', 'energy consumption', 'climate control', 'air-conditioning', 'passenger cars'] | Improving Energy Efficiency of Car Climate Control with SLS | Conference paper | https://repositories.lib.utexas.edu//bitstreams/a3361936-2ef6-4b90-8b79-9475308503d8/download | University of Texas at Austin | In Europe, passenger cars are responsible for 12% of CO2 emissions. The European
Commission established new regulations to drastically reduce the emissions from 130g to 95g
CO2 per km between 2015 and 2021. While the automobile industry is looking at different ways
to meet those criteria, the presented industry-driven ... | null | null | null | null | null | null |
['Ram, G. D. Janaki', 'Yang, Y.', 'George, J.', 'Robinson, C.', 'Stucker, B. E.'] | 2020-03-05T19:57:38Z | 2020-03-05T19:57:38Z | 9/14/06 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/80152', 'http://dx.doi.org/10.26153/tsw/7173'] | eng | 2006 International Solid Freeform Fabrication Symposium | Open | Ultrasonic Consolidation | Improving Linear Weld Density in Ultrasonically Consolidated Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/720f9191-d5de-4029-ad79-f5ea934587af/download | null | Ultrasonic consolidation is a novel additive manufacturing process with immense
potential for fabrication of complex shaped three-dimensional metallic objects from metal foils.
The proportion of bonded area to unbonded area along the layer interface, termed linear weld
density (LWD), is perhaps the most important quali... | null | null | null | null | null | null |
['Shojib Hossain, Mohammad', 'Ramos, Jorge', 'Espalin, David', 'Perez, Mireya', 'Wicker, Ryan'] | 2021-10-07T19:01:06Z | 2021-10-07T19:01:06Z | 8/16/13 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88505', 'http://dx.doi.org/10.26153/tsw/15439'] | eng | 2013 International Solid Freeform Fabrication Symposium | Open | ['FDM-manufactured parts', 'tensile mechanical properties', 'processing parameters', 'Insight'] | Improving Tensile Mechanical Properties of FDM-Manufactured Specimens via Modifying Build Parameters | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0cfb10ff-e7ba-47bc-842c-007a1e2841b9/download | University of Texas at Austin | In this paper, the focus was on improving tensile mechanical properties of FDMmanufactured parts by adjusting FDM processing parameters and analyzing stress concentration
features between adjacent roads of material. FDM processing parameters are specified by the
user via Insight – the file preparation software for most... | null | null | null | null | null | null |
['Fisher, Joseph W.', 'Miller, Simon W.', 'Bartolai, Joseph', 'Simpson, Timothy W.'] | 2024-03-27T15:44:08Z | 2024-03-27T15:44:08Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124487', 'https://doi.org/10.26153/tsw/51095'] | en | 2023 International Solid Freeform Fabrication Symposium | Open | ['lattice structures', 'triply periodic minimal surface', 'shape optimization'] | Improving the Mechanical Response of the IWP Exo-skeletal Lattice Through Shape Optimization | Conference paper | https://repositories.lib.utexas.edu//bitstreams/dd9b91ff-c95c-48b3-8b7d-5b1cf6f0c5e1/download | University of Texas at Austin | Triply Periodic Minimal Surfaces have been identified as good candidates for the generation of
lattice structures produced with additive manufacturing. These TPMS-based lattice structures
avoid sharp features that are characteristic of strut-based lattice structures because of their
constant zero mean curvature. Althou... | null | null | null | null | null | null |
['Jayanthi, Suresh', 'Hokuf, Bronson', 'Lawton, John'] | 2018-11-14T20:28:13Z | 2018-11-14T20:28:13Z | 1996 | Mechanical Engineering | doi:10.15781/T2HT2GX71 | http://hdl.handle.net/2152/70262 | eng | 1996 International Solid Freeform Fabrication Symposium | Open | ['stereolithographic', 'photopolymers', 'prototyping techniques'] | Improving the Thermal Stability of Somos™ 6110 Photopolymer Patterns | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f9c22c09-cc2f-48c5-924b-3fe5f1e4188f/download | null | With the increased emphasis on functional testing and tooling applications
using stereolithographic rapid prototyping (RP) techniques, the need for RP
materials with improved thermal stability is becoming more pronounced. Glass
transition temperature and Heat deflection temperature are two commonly used
measures to det... | null | null | null | null | null | null |
['Malyala, Santosh Kumar', 'Manmadhachary, A.', 'Kumar, Yennam Ravi'] | 2021-10-21T15:45:20Z | 2021-10-21T15:45:20Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89401 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['Additive Manufacturing', 'volumetric accuracy', 'octree structure', 'STL file', 'adaptive slicing'] | Improving Volumetric Accuracy of AM Part Using Adaptive Slicing of Octree Based Structure | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1bdd98db-fb97-46d9-ab68-7663508c321b/download | University of Texas at Austin | In Additive Manufacturing (AM) processes, the layer-by-layer fabrication of complex
geometries may lead to stair casing and thus error resulting in volumetric inaccuracies in the
model. Using thinner slices reduces the staircase error and improves part accuracy but there is a
tradeoff between number of layers and the b... | null | null | null | null | null | null |
['Alberts, D.', 'Schwarze, D.', 'Witt, G.'] | 2021-11-04T13:45:37Z | 2021-11-04T13:45:37Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89958 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['in situ', 'real time', 'melt pool monitoring', 'selective laser melting', 'part density', 'Inconel 718'] | In Situ Melt Pool Monitoring and the Correlation to Part Density of Inconel® 718 for Quality Assurance in Selective Laser Melting | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f92f4ca0-63f8-49cd-9a3c-20c2bc5dcaba/download | University of Texas at Austin | Additive Manufacturing looks back on a history of about two decades and today SLM® technology
keeps moving as an integral element in industrial production environments. Sensitive markets such as energy,
medical or aerospace have the highest quality standards for complex, safety-related and highly stressed
components wh... | null | null | null | null | null | null |
['Liu, W.', 'Sun, W.'] | 2021-10-21T20:51:02Z | 2021-10-21T20:51:02Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89444 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['solid freeform fabrication', 'in situ printing'] | In Situ Printing - An Alternative Three Dimensional Laden Structure Fabrication Method | Conference paper | https://repositories.lib.utexas.edu//bitstreams/be476475-d15a-4b6a-815f-862f5afd55f1/download | University of Texas at Austin | Recapitulating a structure that mimics the anatomic geometries and intratissue cell
distribution as in live organism is a major challenge of tissue engineering nowadays. Solid freeform fabrication (SFF) has been demonstrated as an efficient tool for this purpose. In this paper
we presented a SFF based in situ printing ... | null | null | null | null | null | null |
['Kolan, Krishna C.R.', 'Thomas, Albin', 'Leu, Ming C.', 'Hilmas, Gregory E.'] | 2021-10-18T21:13:43Z | 2021-10-18T21:13:43Z | 2014 | Mechanical Engineering | null | https://hdl.handle.net/2152/89246 | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['pore geometry', 'bioactive glass scaffolds', 'laser sintering', 'bone repair', 'bone replacement'] | In Vitro Assessment of Laser Sintered Bioactive Glass Scaffolds with Different Pore Geometries | Conference paper | https://repositories.lib.utexas.edu//bitstreams/9a513389-d831-4870-887d-17f38ebbfa11/download | University of Texas at Austin | The pore geometry of bioactive glass scaffolds intended for use in bone repair or
replacement is one of the most important parameters that could determine the rate of bone
regeneration. The pore geometry would also affect the mechanical properties of the scaffolds and
their rate of degradation. Scaffolds with five diff... | null | null | null | null | null | null |
['Conway, K.M.', 'Kulkarni, S.S.', 'Smith, B.A.', 'Pataky, G.J.', 'Mocko, G.M.', 'Summers, J.D.'] | 2021-11-30T21:53:23Z | 2021-11-30T21:53:23Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90562', 'http://dx.doi.org/10.26153/tsw/17481'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['shear strength', 'shear deformation', 'grips', 'cellular materials', 'in-plane'] | In-Plane Pure Shear Deformation of Cellular Materials with Novel Grip Design | Conference paper | https://repositories.lib.utexas.edu//bitstreams/fb6fdd5b-ae62-4394-ad20-8c35aa36dd2d/download | University of Texas at Austin | Cellular materials are popular due to their high specific strength, but their in-plane shear
behavior is not well understood. Current experimental methods are limited due to the lack of pure
shear loading as common arcan-style grips have not been adjusted for cellular materials. A
significant concern is a mixture of sh... | null | null | null | null | null | null |
['Montazeri, Mohammad', 'Rao, Prahalada'] | 2021-11-03T21:50:25Z | 2021-11-03T21:50:25Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89943 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'LPBF', 'heterogeneous sensing', 'in-situ monitoring', 'meltpool thermal imaging', 'high-speed imaging', 'photodetection', 'spectral graph theory', 'manifold learning', 'laplacian eigenvectors'] | In-Process Condition Monitoring in Laser Powder Bed Fusion (LPBF) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f3483fbb-f83e-401d-82d9-8812427f198e/download | University of Texas at Austin | The goal of this work is to monitor the laser powder bed fusion (LPBF) process using an array
of heterogeneous sensors. This goal is termed as build status monitoring. The overarching aim is
to usher a qualify-as-you-build quality assurance paradigm in LPBF whereby incipient build
defects are detected through analysis ... | null | null | null | null | null | null |
['Jamshidinia, M.', 'Boulware, P.', 'Marchal, J.', 'Mendoza, H.', 'Cronley, L.', 'Kelly, S.', 'Newhouse, S.'] | 2021-10-28T19:40:52Z | 2021-10-28T19:40:52Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89680 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['cross contamination', 'in-process monitoring', 'spectrometer', 'photodetector', 'laser powder bed fusion (L-PBF)'] | In-Process Monitoring of Cross Contamination in Laser Powder Bed Fusion (L-PBF) Additive Manufacturing (AM) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b65f1a5a-1aeb-4f8f-b1d7-342b3b53ea7c/download | University of Texas at Austin | Cross contamination in laser powder bed fusion (L-PBF) Additive Manufacturing (AM)
could locally change the chemical composition and stress distribution in a component. It also
could result in the formation of flaws, and consequently lower the mechanical performance of a
component. In this study, the in-process monitor... | null | null | null | null | null | null |
['Mischliwski, Stefan', 'Weigold, Matthias'] | 2021-11-18T19:07:28Z | 2021-11-18T19:07:28Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90471', 'http://dx.doi.org/10.26153/tsw/17392'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['pasty ceramic composite', 'ceramics', 'UV-curing', 'in-process', 'extrusion-based additive manufacturing', 'additive manufacturing'] | In-Process UV-Curing of Pasty Ceramic Composite | Conference paper | https://repositories.lib.utexas.edu//bitstreams/05a15cbe-43df-4da0-bf46-15dafe63f884/download | University of Texas at Austin | Within recent years,a wide range of additive manufacturing processes have been developed.
While powder bed based fusion processes like selective laser melting and melting processes like
fused layer modelling are being increasingly used in industrial applications, prototyping other
processes are in the initial stage. Th... | null | null | null | null | null | null |
['Breese, P.P.', 'Becker, T.', 'Oster, S.', 'Metz, C.', 'Altenburg, S.J.'] | 2024-03-27T15:45:53Z | 2024-03-27T15:45:53Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124488', 'https://doi.org/10.26153/tsw/51096'] | en | 2023 International Solid Freeform Fabrication Symposium | Open | ['laser thermography', 'defect detection', 'laser powder bed fusion', 'in-situ', 'additive manufacturing'] | IN-SITU DEFECT DETECTION FOR LASER POWDER BED FUSION WITH ACTIVE LASER THERMOGRAPHY | Conference paper | https://repositories.lib.utexas.edu//bitstreams/28193a5f-e96a-4da0-b9e2-3ce5d8a79fa7/download | University of Texas at Austin | Defects are still common in metal components built with Additive Manufacturing (AM). Process
monitoring methods for laser powder bed fusion (PBF-LB/M) are used in industry, but
relationships between monitoring data and defect formation are not fully understood yet.
Additionally, defects and deformations may develop wit... | null | null | null | null | null | null |
['Sturm, Logan', 'Albakri, Mohammed', 'Williams, Christopher B.', 'Tarazaga, Pablo'] | 2021-10-28T19:59:23Z | 2021-10-28T19:59:23Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89686 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['impedance-based monitoring', 'in-situ detection', 'build defects', 'additive manufacturing'] | In-situ Detection of Build Defects in Additive Manufacturing via Impedance-Based Monitoring | Conference paper | https://repositories.lib.utexas.edu//bitstreams/f53c097e-3860-4ebf-b7c5-fd207bd3915b/download | University of Texas at Austin | In this paper, the authors explore the use of impedance-based monitoring techniques for the in-situ detection of additive manufacturing build defects. By physically coupling a piezoceramic
(PZT) sensor to the part being fabricated, the measured electrical impedance of the PZT can be
directly linked to the mechanical im... | null | null | null | null | null | null |
['Pustinger, Alexander P.', 'Corral, Joselin', 'Villegas, Arianna', 'Espalin, David'] | 2024-03-26T20:56:41Z | 2024-03-26T20:56:41Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124409', 'https://doi.org/10.26153/tsw/51017'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['hybrid AM', '4-wire resistance measurements', 'encapsulation', 'laser soldering'] | In-situ Electrical Resistance Measurements for Soldering Studies in Hybrid AM | Conference paper | https://repositories.lib.utexas.edu//bitstreams/acb58f4a-95aa-43a4-90b9-1233901d5c2b/download | University of Texas at Austin | This report was prepared as an account of work sponsored by an agency of the United States
Government. Neither the United States Government nor any agency thereof, nor any of their
employees, makes any warranty, express or implied, or assumes any legal liability or
responsibility for the accuracy, completeness, or usef... | null | null | null | null | null | null |
['Liu, Tao', 'Kinzel, Edward C.', 'Leu, Ming C.'] | 2023-01-27T17:46:09Z | 2023-01-27T17:46:09Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117345', 'http://dx.doi.org/10.26153/tsw/44226'] | null | 2022 International Solid Freeform Fabrication Symposium | Open | Laser powder bed fusion (L-PBF) | In-situ Infrared Thermographic Measurement of Powder Properties in Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c782c1e4-b67c-4899-ba1e-20e0235060e3/download | null | The laser powder-bed fusion (LPBF) process is strongly influenced by the characteristics
of the powder layer, including its thickness and thermal transport properties. This paper presents
an investigation of in-situ characterization of the powder layer using active infrared thermography.
The printing laser beam is... | null | null | null | null | null | null |
['Binder, Maximilian', 'Machnik, Andreas', 'Bosch, Maximilian', 'Kreitz, Katharina', 'Schlick, Georg', 'Seidel, Christian'] | 2023-02-10T14:19:04Z | 2023-02-10T14:19:04Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117452', 'http://dx.doi.org/10.26153/tsw/44333'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['Laser-Based Powder Bed Fusion', 'Metal Additive Manufacturing', 'Strain Gauges', 'Smart Parts', 'Inconel'] | In-situ Integration of Weldable Strain Gauges in Components Manufactured by Laser-Based Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/50bf2a7c-7ecd-47de-80bf-46bd093ea70a/download | null | The integration of sensors in components made by PBF-LB/M facilitates promising
new possibilities for component monitoring. It enables the collection of relevant
measurement data at previously inaccessible component regions, which are needed for
the determination of maintenance strategies. Therefore, the following r... | null | null | null | null | null | null |
['Phillips, Tim', 'McElroy, Austin', 'Fish, Scott', 'Beaman, Joseph'] | 2021-10-28T19:43:05Z | 2021-10-28T19:43:05Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89681 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['in-situ laser control', 'selective laser sintering', 'even melting'] | In-Situ Laser Control Method for Polymer Selective Laser Sintering (SLS) | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0867cd12-72f6-464b-a706-bc894a175bcf/download | University of Texas at Austin | Selective laser sintering (SLS) of Nylon is a significant portion of the Additive
Manufacturing (AM) market for structurally sensitive applications. To achieve high
performance in these laser melted parts, one would like to see consistent melting of the powder
over the part region in each layer of the build. Current re... | null | null | null | null | null | null |
['Esfahani, Mehrnaz Noroozi', 'Bian, Linkan', 'Tian, Wenmeng'] | 2021-11-16T16:15:04Z | 2021-11-16T16:15:04Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90330', 'http://dx.doi.org/10.26153/tsw/17251'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['image series analysis', 'quality monitoring', 'in-situ', 'layer-wise', 'laser-based additive manufacturing'] | In-Situ Layer-Wise Quality Monitoring for Laser-Based Additive Manufacturing Using Image Series Analysis | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5c3092d6-2b0d-43b3-b20b-998826a5ac52/download | University of Texas at Austin | Quality assurance has been one of the major challenges in laser-based additive manufacturing
(AM) processes. This study proposes a novel process modeling methodology for layer-wise in-situ
quality monitoring based on image series analysis. An image-based autoregressive (AR) model
has been proposed based on the image re... | null | null | null | null | null | null |
['Lough, Cody S.', 'Wang, Xin', 'Landers, Robert G.', 'Bristow, Douglas A.', 'Drallmeier, James A.', 'Kinzel, Edward C.'] | 2021-11-18T18:47:36Z | 2021-11-18T18:47:36Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90464', 'http://dx.doi.org/10.26153/tsw/17385'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['local part qualification', 'local part prediction', 'voxel based processing', 'SWIR imaging', '304L', 'stainless steel', 'selective laser melting'] | In-situ Local Part Qualification of SLM 304L Stainless Steel through Voxel Based Processing of SWIR Imaging Data | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c7daaedd-37f9-48eb-89d8-8f363c19dc45/download | University of Texas at Austin | This paper demonstrates the potential for qualification through local part property
prediction of 304L stainless steel parts manufactured by Selective Laser Melting (SLM). This is
accomplished through voxel based processing of SWIR imaging data measured in-situ. Thermal
features are extracted from time-series SWIR imag... | This work was funded by the Department of Energy’s
Kansas City National Security Campus which is operated and managed by Honeywell Federal
Manufacturing Technologies, LLC under contract number DE-NA0002839. | null | null | null | null | null |
['Ritchie, M.', 'Mehraban, S.', 'Brown, S.G.R.', 'Butcher, D.', 'Cullen, J.', 'Calvo-Dahlborg, M.', 'Lavery, N.P.'] | 2023-03-29T16:43:14Z | 2023-03-29T16:43:14Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117685', 'http://dx.doi.org/10.26153/tsw/44564'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | ['High Entropy Alloy', 'Laser Powder Bed Fusion', 'Pitting Corrosion'] | In-situ Modification of a High Entropy Alloy with 2.4% Molybdenum Using LPBF, and Its Effect on Microstructure and Corrosion Resistance | Conference paper | https://repositories.lib.utexas.edu//bitstreams/74c72927-f280-444c-aafc-f0abe26dde2f/download | null | Laser powder bed fusion (LPBF) components display higher porosity compared to parts
made by conventional processes and these pores act as preferential initiation sites for pitting
corrosion to occur. In stainless steels such as 316L, molybdenum is 3.5X more effective at
enhancing the pitting resistance than chromium... | null | null | null | null | null | null |
['Roach, M.A.', 'Fowler, B.', 'Thakkar, D.', 'Babbitt, C.', 'Khurana, S.', 'Jared, B.H.'] | 2023-04-03T15:54:26Z | 2023-04-03T15:54:26Z | 2022 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/117720', 'http://dx.doi.org/10.26153/tsw/44599'] | eng | 2022 International Solid Freeform Fabrication Symposium | Open | Laser powder bed fusion | In-situ Monitoring of Laser-Powder-Bed-Fusion Using IR and NIR Emissions to Detect Thermal Anomalies | Conference paper | https://repositories.lib.utexas.edu//bitstreams/08dbecf1-84d9-452b-9575-bb8ff75c6e4c/download | null | Process monitoring of laser-powder-bed-fusion (L-PBF) has advanced significantly since the beginning
of this technology. Many methods exist today for in-situ process monitoring; however, these methods can be
costly to implement and provide sub-par image resolutions. This research aims to develop a method of low-cost ... | null | null | null | null | null | null |
['Nadimpalli, Venkata Karthik', 'Na, Jeong K.', 'Bruner, Darren T.', 'King, Brenna A.', 'Yang, Li', 'Stucker, Brent E.'] | 2021-10-28T20:36:38Z | 2021-10-28T20:36:38Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89694 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['in-situ non-destructive evaluation', 'in-situ monitoring', 'ultrasonic transducer', 'ultrasonic additive manufacturing'] | In-Situ Non-Destructive Evaluation of Ultrasonic Additive Manufactured Components | Conference paper | https://repositories.lib.utexas.edu//bitstreams/bde5037a-d2ad-4262-85e7-843b3ceb2395/download | University of Texas at Austin | In-situ monitoring of Ultrasonic Additive Manufacturing (UAM) process is crucial for
producing parts suitable for load-bearing structural applications. Due to the nature of UAM
process, it is necessary to monitor the entire build as opposed to only the just bonded layer. For
this purpose, an ultrasonic transducer is us... | null | null | null | null | null | null |
['Lough, Cody S.', 'Escano, Luis I.', 'Qu, Minglei', 'Smith, Christopher C.', 'Landers, Robert G.', 'Bristow, Douglas A.', 'Chen, Lianyi', 'Kinzel, Edward C.'] | 2021-11-15T22:19:33Z | 2021-11-15T22:19:33Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90292', 'http://dx.doi.org/10.26153/tsw/17213'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['optical emission spectroscopy', '304L', 'stainless steel', 'in-situ', 'selective laser melting'] | In-Situ Optical Emission Spectroscopy during SLM of 304L Stainless Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/367c44d8-7526-4006-acec-651fa4bff5be/download | University of Texas at Austin | This paper demonstrates the potential of in-situ Optical Emission Spectroscopy (OES) to
monitor the Selective Laser Melting (SLM) process. A spectrometer is split into the beam path of
a home-built SLM system to collect visible light emitted from the melt pool and plume. The inline configuration allows signal collectio... | This work was funded by Honeywell Federal Manufacturing &
Technologies under Contract No. DE-NA0002839 with the U.S. Department of Energy. | null | null | null | null | null |
['Legesse, Fisseha', 'Kapil, Sajan', 'Chabra, Rimpy', 'Sharma, Arun', 'Karunakaran, K.P.'] | 2021-10-26T19:33:27Z | 2021-10-26T19:33:27Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89566 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['in-situ preheating', 'solidification cracking', 'hybrid layered manufacturing', 'metal inert gas', 'tungsten inert gas'] | In-Situ Preheating in Hybrid Layered Manufacturing for Tooling Elements | Conference paper | https://repositories.lib.utexas.edu//bitstreams/e530069f-eba9-48ce-ac73-9efc2c20ddc7/download | University of Texas at Austin | Solidification cracking of hard materials such as H13 tool steel is one of the major
problems in metal based Additive Manufacturing (AM) processes. Hybrid Layered
Manufacturing (HLM) is one of the metal based AM process which uses Metal Inert Gas (MIG)
cladding for addition and CNC milling for subtraction of material. ... | null | null | null | null | null | null |
['Lewis, Adam', 'Gardner, Michael', 'McElroy, Austin', 'Milner, Thomas', 'Fish, Scott', 'Beaman, Joseph'] | 2021-10-28T19:46:04Z | 2021-10-28T19:46:04Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89682 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['optical coherence tomography', 'selective laser sintering', 'in-situ process monitoring', 'ex-situ part quality'] | In-Situ Process Monitoring and Ex-Situ Part Quality Assessment of Selective Laser Sintering Using Optical Coherence Tomography | Conference paper | https://repositories.lib.utexas.edu//bitstreams/23881d3c-6d43-4163-a5d1-91b67e365a8e/download | University of Texas at Austin | Widespread commercial adoption of Selective Laser Sintering has been hindered by
inadequate quality and consistency of manufactured parts. Improved process monitoring and
control have the potential to improve part quality and thus increase adoption of SLS for various
applications. In this paper, optical coherence tomog... | null | null | null | null | null | null |
['Guess, T.R.', 'Chambers, R.S.'] | 2018-10-05T17:28:50Z | 2018-10-05T17:28:50Z | 1995 | Mechanical Engineering | doi:10.15781/T2QZ2327H | http://hdl.handle.net/2152/68718 | eng | 1995 International Solid Freeform Fabrication Symposium | Open | ['3D Printing', 'cure shrinkage', 'laser path dependance'] | In-Situ Property Measurements On Laser-Drawn Strands Of SL 5170 EPOXY and 5149 Acrylate | Conference paper | https://repositories.lib.utexas.edu//bitstreams/5c0c9b8f-cd63-4552-b1e4-951983350b45/download | null | Material behavior plays a significant role in the mechanics leading to internal
stresses and, potentially, to distortion (curling) of parts as they are built by
stereolithography processes that utilize photocuring resins. A study is underway to
generate material properties that can be used to develop phenomenological m... | null | null | null | null | null | null |
['Aminzadeh, Masoumeh', 'Kurfess, Thomas'] | 2021-10-28T19:50:33Z | 2021-10-28T19:50:33Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89683 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'in-situ quality inpsection', 'visual camera images', 'high-resolution imaging'] | In-Situ Quality Inspection of Laser Powder-Bed Fusion Using High-Resolution Visual Camera Images | Conference paper | https://repositories.lib.utexas.edu//bitstreams/6047f28b-55dd-4d38-a4ca-8726295fef4d/download | University of Texas at Austin | Issues of part quality in terms of quality of fusion and formed porosity are widely known
and stated as some of the important challenges with laser powder-bed fusion (LPBF) process. This
paper addresses the in-situ inspection of layer-wise part quality using visual camera images. High-resolution visual images are captu... | null | null | null | null | null | null |
['Ganesh-Ram, A.', 'Tanrikulu, A.A.', 'Valdez Loya, O.', 'Davidson, P.', 'Ameri, A.'] | 2024-03-26T20:58:59Z | 2024-03-26T20:58:59Z | 2023 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/124410', 'https://doi.org/10.26153/tsw/51018'] | en_US | 2023 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'in-situ strengthening', 'Ti6Al4V'] | In-situ Reinforcement Processing for Laser Powder Bed Fused Ti64 Parts | Conference paper | https://repositories.lib.utexas.edu//bitstreams/c4cf86b2-e821-41f4-b717-2cf4e7430d08/download | University of Texas at Austin | The objective of this study was to investigate how the microstructure and mechanical properties
of Ti-6Al-4V samples, fabricated using laser powder bed fusion (L-PBF), change when a
predefined local double melting strategy is employed within each layer of the manufacturing
process. The analysis primarily focused on eva... | null | null | null | null | null | null |
['Wroe, Walker', 'Gladstone, Jessica', 'Phillips, Timothy', 'McElroy, Austin', 'Fish, Scott', 'Beaman, Joseph'] | 2021-10-20T22:51:55Z | 2021-10-20T22:51:55Z | 2015 | Mechanical Engineering | null | https://hdl.handle.net/2152/89382 | eng | 2015 International Solid Freeform Fabrication Symposium | Open | ['selective laser sintering', 'Nylon-12', 'thermal conditions', 'tensile properties', 'layer-by-layer'] | In-Situ Thermal Image Correlation with Mechanical Properties of Nylon-12 in SLS | Conference paper | https://repositories.lib.utexas.edu//bitstreams/1feb92e4-102a-4b93-9594-f619380007d6/download | University of Texas at Austin | Selective laser sintering (SLS) of Nylon is a significant portion of the additive
manufacturing market for structurally sensitive applications. Current methods of
acceptance for such parts are based on the inclusion of ASTM tensile test specimens
within the build volume to assess the overall build quality. Ultimate str... | null | null | null | null | null | null |
['Liu, T.', 'Lough, C.S.', 'Sehhat, H.', 'Huang, J.', 'Kinzel, E.C.', 'Leu, M.C.'] | 2021-12-01T22:21:08Z | 2021-12-01T22:21:08Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90637', 'http://dx.doi.org/10.26153/tsw/17556'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['laser powder bed fusion', 'long wavelength infrared', 'powder thickness'] | In-Situ Thermographic Inspection for Laser Powder Bed Fusion | Conference paper | https://repositories.lib.utexas.edu//bitstreams/31f7cc78-0048-4a65-839a-d73c66a39507/download | University of Texas at Austin | Laser powder bed fusion is strongly influenced by the quality of the powder layer including the powder properties as
well as the layer thickness. In particular, thermal stresses can produce sufficient part deformation to the point that a
part interferes with the wiper. This paper investigates the use of long-wave infra... | null | null | null | null | null | null |
['AlMangour, B.', 'Grzesiak, D.', 'Yang, J.M.'] | 2021-10-27T21:04:42Z | 2021-10-27T21:04:42Z | 2016 | Mechanical Engineering | null | https://hdl.handle.net/2152/89613 | eng | 2016 International Solid Freeform Fabrication Symposium | Open | ['mechanical alloying', 'selective laser melting', 'porosity', 'hardness', 'wear'] | In-Situ TiC Particle Reinforced 316L Stainless Steel Matrix Nanocomposites: Powder Preparation by Mechanical Alloying and Selective Laser Melting Behavior | Conference paper | https://repositories.lib.utexas.edu//bitstreams/63bab039-4ce4-4d99-998b-99c25275b573/download | University of Texas at Austin | null | null | null | null | null | null | null |
Ahlers, Daniel | 2021-12-01T22:24:42Z | 2021-12-01T22:24:42Z | 2021 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90638', 'http://dx.doi.org/10.26153/tsw/17557'] | eng | 2021 International Solid Freeform Fabrication Symposium | Open | ['printed electronics', 'visual inspection', 'neural network', 'fused filament fabrication'] | In-Situ Verification of 3D-Printed Electronics Using Deep Convolutional Neural Networks | Conference paper | https://repositories.lib.utexas.edu//bitstreams/494dd034-3aae-4ee7-a1bc-c27e4f94a495/download | University of Texas at Austin | Printed electronics processes are becoming more stable and evolve into first industrial applications. These industrial applications require proper quality assurance to get a mostly autonomous
production process. In this work, we present a new approach to inspect printed electronics and
ensure their quality. Our hardwar... | null | null | null | null | null | null |
['Karnati, Sreekar', 'Hoerchler, Jack', 'Flood, Aaron', 'Liou, Frank'] | 2021-11-11T15:02:44Z | 2021-11-11T15:02:44Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90211', 'http://dx.doi.org/10.26153/tsw/17132'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['automated ball indentation', 'plastic behavior', 'Power Law', '304L', 'stainless steel', 'powder bed fabrication'] | Incorporation of Automated Ball Indentation Methodology for Studying Powder Bed Fabricated 304L Stainless Steel | Conference paper | https://repositories.lib.utexas.edu//bitstreams/0f2399ee-df11-476a-baee-ae70bcf10248/download | University of Texas at Austin | Automated Ball Indentation (ABI) is a viable method for estimating the ductility, yield
stress, and ultimate stress, among other metrics, in different metallic materials. Currently, ABI
data analysis utilizes Holloman’s Power Law to model the plastic region of the true stress-true
strain curve. While this formulation i... | null | null | null | null | null | null |
['Leu, Ming C.', 'Isanaka, Sriram P.', 'Richards, Von L.'] | 2021-09-28T19:28:54Z | 2021-09-28T19:28:54Z | 9/22/09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88161', 'http://dx.doi.org/10.26153/tsw/15102'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['Rapid Freeze Prototyping', 'heat transfer', 'build time reduction'] | Increase of Heat Transfer to Reduce Build Time in Rapid Freeze Prototyping | Conference paper | https://repositories.lib.utexas.edu//bitstreams/b7007eb7-8af3-4d38-aa03-b6a345ee5dce/download | University of Texas at Austin | Reduction of part build time in the Rapid Freeze Prototyping (RFP) process,
which fabricates a 3D ice part layer-by-layer by depositing and freezing water droplets,
has been achieved by increase of heat transfer. Three mechanisms have been
experimentally investigated: 1) cooling the substrate, 2) use of forced convecti... | null | null | null | null | null | null |
['Roschli, Alex', 'Duty, Chad', 'Lindahl, John', 'Post, Brian K.', 'Chesser, Phillip C.', 'Love, Lonnie J.', 'Gaul, Katherine T.'] | 2021-11-09T19:14:35Z | 2021-11-09T19:14:35Z | 2018 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90135', 'http://dx.doi.org/10.26153/tsw/17056'] | eng | 2018 International Solid Freeform Fabrication Symposium | Open | ['z-pinning', 'interlaminar strength', 'large scale additive manufacturing', 'big area additive manufacturing', 'BAAM'] | Increasing Interlaminar Strength in Large Scale Additive Manufacturing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/8a660f19-abef-4da5-ad49-fa4f7e2c8390/download | University of Texas at Austin | Interlaminar strength of extrusion-based additively manufactured parts is known to be
weaker than the strength seen in the printed directions (X and Y). With Big Area Additive
Manufacturing (BAAM), large parts lead to long layer times that are prone to splitting,
sometimes referred to as delamination, between the layer... | null | null | null | null | null | null |
['Ahlers, D.', 'Koppa, P.', 'Hengsbach, F.', 'Gloetter, P.', 'Altmann, A.', 'Schaper, M.', 'Tröster, T.'] | 2021-11-04T13:52:37Z | 2021-11-04T13:52:37Z | 2017 | Mechanical Engineering | null | https://hdl.handle.net/2152/89960 | eng | 2017 International Solid Freeform Fabrication Symposium | Open | ['process melting', 'porosity', 'Ti6Al4V', 'hot isostatic pressing', 'selective laser melting'] | Increasing Process Speed in the Laser Melting Process of Ti6Al4V and the Reduction of Pores During Hot Isostatic Pressing | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d2a0a259-f930-4a05-b6b5-58190214ce4c/download | University of Texas at Austin | Additive manufacturing of titanium alloys has gained intensive attraction from industry and
academia. Moreover, for additively fabricated parts consisting of Ti6Al4V, hot isostatic pressing
(HIP), is widely used as a post treatment in order to increase the relative density of the built parts.
However, one aspect which ... | null | null | null | null | null | null |
['Duty, Chad', 'Smith, Tyler', 'Lambert, Alexander', 'Condon, Justin', 'Lindahl, John', 'Kim, Seokpum', 'Kunc, Vlastimil'] | 2021-11-18T19:15:18Z | 2021-11-18T19:15:18Z | 2019 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/90475', 'http://dx.doi.org/10.26153/tsw/17396'] | eng | 2019 International Solid Freeform Fabrication Symposium | Open | ['z-pinning', 'solid cross-section', 'interlayer bond', 'fused filament fabrication'] | Increasing the Interlayer Bond of Fused Filament Fabrication Samples with Solid Cross-Sections using Z-Pinning | Conference paper | https://repositories.lib.utexas.edu//bitstreams/56532fac-e5bf-444b-b9c9-8b5b35fac9ac/download | University of Texas at Austin | The mechanical properties of parts made by fused filament fabrication is highly anisotropic,
with the strength across layers (z-axis) typically measuring ~50% lower than the strength along
the direction of the extruded material (x-axis). A z-pinning method has been developed in which
material is extruded in the z-direc... | null | null | null | null | null | null |
['Mun, Jiwon', 'Ju, Jaehyung', 'Thurman, James'] | 2021-10-13T20:40:28Z | 2021-10-13T20:40:28Z | 2014 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88781', 'http://dx.doi.org/10.26153/tsw/15715'] | eng | 2014 International Solid Freeform Fabrication Symposium | Open | ['indirect additive manufacturing based casting', 'I AM Casting', 'indirect 3D printing based casting', 'metallic cellular structures', 'PolyJet', 'volume of fluid', 'additive manufacturing'] | Indirect Additive Manufacturing of a Cubic Lattice Structure with a Copper Alloy | Conference paper | https://repositories.lib.utexas.edu//bitstreams/97f124e2-765e-4a7d-9ff1-005054fd5771/download | University of Texas at Austin | Direct-metal additive manufacturing (AM) processes such as Selective Laser Melting
(SLM) and Electron Beam Melting (EBM) methods are being used to fabricate complex metallic
cellular structures with a laser or electron beam over a metal powder bed. Even though their
excellent capabilities to fabricate parts with cellul... | null | null | null | null | null | null |
['Chakravarthy, Kumaran M.', 'Bourell, David L.'] | 2021-10-05T14:42:58Z | 2021-10-05T14:42:58Z | 8/17/11 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88383', 'http://dx.doi.org/10.26153/tsw/15322'] | eng | 2011 International Solid Freeform Fabrication Symposium | Open | ['direct methanol fuel cells', 'corrugated flow field plates', 'power density', 'laser sintering'] | Indirect Laser Sintering of Corrugated Flow Field Plates for Direct Methanol Fuel Cell Applications | Conference paper | https://repositories.lib.utexas.edu//bitstreams/d5db2bd0-d0e1-4d5e-8f4e-f669cc0a48ac/download | University of Texas at Austin | Direct methanol fuel cells (DMFC) hold distinct advantages over traditional hydrogen-based fuel
cells. Their commercialization, however, has been bound by many factors – especially their suboptimal efficiency. This work aims at enhancing the performance of DMFC through the use of
corrugated flow field plates. Our objec... | null | null | null | null | null | null |
['Tobin, James R.', 'Badrinarayan, B.', 'Barlow, J.W.', 'Beaman, J.J.'] | 2018-05-03T19:52:50Z | 2018-05-03T19:52:50Z | 1993 | Mechanical Engineering | doi:10.15781/T2H708H81 | http://hdl.handle.net/2152/65072 | null | 1993 International Solid Freeform Fabrication Symposium | Open | ['Center for Materials Science and Engineering', 'Department of Chemical Engineering', 'Department of Mechanical Engineering', 'Selective Laser Sintering', 'SLS'] | Indirect Metal Composite Part Manufacture Using the SLS Process | Conference paper | https://repositories.lib.utexas.edu//bitstreams/ad9fd096-f9c3-4e83-9ad8-2b01b0eab9d3/download | null | As a near term alternative process to direct sintering, an intermediate
polymer binder is combined with powder to produce green preforms with the
Selective Laser Sintering (SLS) process. To produce parts with desirable strength
dimensional control, the binder is gradually removed from the green preform
(obtained from t... | null | null | null | null | null | null |
['Gervasi, Vito R.', 'Shaikh, F. Zafar'] | 2019-09-23T17:13:27Z | 2019-09-23T17:13:27Z | 2000 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/75978', 'http://dx.doi.org/10.26153/tsw/3077'] | eng | 2000 International Solid Freeform Fabrication Symposium | Open | Prototype | Indirect Rapid Molds for Prototype Lost-Foam Pattern Production 506 | Conference paper | https://repositories.lib.utexas.edu//bitstreams/87f984b1-e22e-4902-9796-4a1f30c75633/download | null | Lost-foam (also known as Expendable Pattern Casting, EPC) is an ever-growing metalmcasting technique, capable of producing complex metal components without parting lines. Mold preparation for lost-foam casting is typically accurate, but expensive and slow. The goal of this research was to develop a new approach for pro... | null | null | null | null | null | null |
['Vallabhajosyula, Phani', 'Bourell, David L.'] | 2021-09-29T14:19:20Z | 2021-09-29T14:19:20Z | 2009-09 | Mechanical Engineering | null | ['https://hdl.handle.net/2152/88179', 'http://dx.doi.org/10.26153/tsw/15120'] | eng | 2009 International Solid Freeform Fabrication Symposium | Open | ['Selective Laser Sintering', 'ferrous components', 'infiltrant composition'] | Indirect Selective Laser Sintered Fully Ferrous Components – Infiltration Modeling, Manufacturing and Evaluation of Mechanical Properties | Conference paper | https://repositories.lib.utexas.edu//bitstreams/207a6988-fb5b-4d29-bc14-0015aac38757/download | University of Texas at Austin | Commercially available Selective Laser Sintered (SLS) ferrous components contain
copper-based infiltrant in a ferrous preform. The choice of infiltrant has led to inferior
mechanical properties of these components limiting their use in many non-injection-molding
structural applications, particularly at elevated tempera... | null | null | null | null | null | null |
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