Browsing 2018 International Solid Freeform Fabrication Symposium by Title
Now showing items 48-67 of 200
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Economies of Complexity of 3D Printed Sand Molds for Casting
(University of Texas at Austin, 2018)Additive Manufacturing (more commonly referred to as 3D printing) is resulting in a metamorphosis of the sand casting industry as 3D printed sand molds enable castings of unmatched geometric complexity. The manifold ... -
Education of Additive Manufacturing- An Attempt to Inspire Research
(University of Texas at Austin, 2018)Although additive manufacturing technologies have undergone significant development in recent years, significant challenges remain in the understanding of the physics of the processes as well as many other aspects. ... -
Effect of Energy Density on the Consolidation Mechanism and Microstructural Evolution of Laser Cladded Functionally-Graded Composite Ti-Al System
(University of Texas at Austin, 2018)The engagement of additive manufacturing (AM) technology in developing intermetallic coatings involves additional heat treatment with a view to obtaining desirable microstructure and mechanical properties. This eventually ... -
Effect of Environmental Variables on Ti-64 AM Simulation Results
(University of Texas at Austin, 2018)In metal AM the environment is critical and therefore care should be taken to ensure that the simulation matches reality. This paper will investigate the effect that various environmental factors have on the results of ... -
Effect of In-Situ Compaction and UV-Curing on the Performance of Glass Fiber-Reinforced Polymer Composite Cured Layer by Layer
(University of Texas at Austin, 2018)In this paper, the effect of in-situ compaction and UV-induced curing on the performance of fiber-reinforced diglycidyl ether bisphenol A (DGEBA) based epoxy is studied for a layer-by-layer curing process. The optimum ... -
Effect of Inter-Layer Cooling Time on Distortion and Mechanical Properties in Metal Additive Manufacturing
(University of Texas at Austin, 2018)Laser Metal Deposition with wire (LMD-w) is one of the novel Direct Energy Deposition (DED) processes that is gaining the attention of various industries, especially aerospace, due to the potential cost and lead time ... -
Effect of Laser Additive Manufacturing of Microstructure Evolution of Inoculated Zr47.5Cu45.5Al5Co2 Bulk Metallic Glass Matrix Composites
(University of Texas at Austin, 2018)Bulk metallic glass matrix composites are advocated to be material of future owing to their superior strength, hardness and elastic strain limit. However, they possess poor toughness which makes them unusable in any ... -
Effect of Porosity on Electrical Insulation and Heat Dissipation of Fused Deposition Modeling Parts Containing Embedded Wires
(University of Texas at Austin, 2018)While the effects of porosity on the mechanical strength of fused deposition modeling (FDM) parts have been thoroughly investigated, there exists a need for evaluating electrical and thermal properties. This work describes ... -
Effect of Powder Degradation on the Fatigue Behavior of Additively Manufactured As-Built Ti-6Al-4V
(University of Texas at Austin, 2018)Additive manufacturing (AM) technology has enabled many industries to generate functional parts with an increased level of complexity via a layer-by-layer melting. In laser-powder bed fusion (L-PBF), the most commonly ... -
The Effect of Processing Parameter on Zirconium Modified Al-Cu-Mg Alloys Fabricated by Selective Laser Melting
(University of Texas at Austin, 2018)The newly designed alloy compositions for selective laser melting (SLM) have aroused great interest. In this study, zirconium modified Al-Cu-Mg alloys were fabricated by SLM. Results show that crack-free samples with ... -
The Effect of Shear-Induced Fiber Alignment on Viscosity for 3D Printing of Reinforced Polymers
(University of Texas at Austin, 2018)Material printed with large scale additive manufacturing systems such as the Big Area Additive Manufacturing (BAAM) system experience a wide range of shear rates during the extrusion process. The shear rate can vary over ... -
Effect of Shield Gas on Surface Finish of Laser Powder Bed Produced Parts
(University of Texas at Austin, 2018)Additive manufacturing (AM) of metals is a novel manufacturing technique that allows for net-shape or near net-shape parts to be produced quickly. Within additive manufacturing a large concern is the produced surface ... -
Effect of Spray-Based Printing Parameters on Cementitious Material Distribution
(University of Texas at Austin, 2018)In the past decade, 3D printing is getting into more and more industry areas including building and construction. However, most 3D cementitious material printing processes are limited in horizontal printing surface. Due ... -
Effect of Wall Thickness and Build Quality on the Compressive Properties of 304L Thin-Walled Structures Fabricated by SLM
(University of Texas at Austin, 2018)The specific strength of lightweight lattice structures built with SLM is of interest to the aerospace industry. Honeycombs were manufactured with increasing wall thicknesses (which increases density) and tested under ... -
Effects of Build Parameters on the Mechanical and Di-Electrical Properties of AM Parts
(University of Texas at Austin, 2018)Additive manufacturing (AM) revolutionized many industries, i.e., Automotive, Biomedical, Aerospace and Defense. As opposed to traditional manufacturing methods, a part is manufactured layer by layer from 3D CAD models ... -
Effects of Design Parameters on Thermal History and Mechanical Behavior of Additively Manufactured 17-4 PH Stainless Steel
(University of Texas at Austin, 2018)In this study, the effects of part size on thermal history and mechanical properties of additively manufactured 17-4 PH stainless steel were investigated under monotonic tensile and strain-controlled fatigue loadings. ... -
Effects of Electric Field on Selective Laser Sintering of Yttria-Stabilized Zirconia Ceramic Powder
(University of Texas at Austin, 2018)Selective laser sintering (SLS) of ceramic material is particularly challenging. High sintering temperatures and slow sintering kinetics of ceramic material combined with poor thermal shock resistance have resulted in ... -
Effects of Identical Parts on a Common Build Plate on the Modal Analysis of SLM Created Metal
(University of Texas at Austin, 2018)The frequency response of parts created with Additive Manufacturing (AM) is a function of not only process parameters, powder quality, but also the geometry of the part. Modal analysis has the potential to evaluate parts ... -
Effects of Layer Orientation on the Multiaxial Fatigue Behavior of Additively Manufactured Ti-6Al-4V
(University of Texas at Austin, 2018)Additive manufacturing (AM) allows for fabrication of components with complex geometries that cannot be fabricated using conventional manufacturing techniques. These components are often subjected to multiaxial stress ... -
The Effects of Powder Recycling on the Mechanical Properties of Additively Manufactured 17-4 PH Stainless Steel
(University of Texas at Austin, 2018)The booming interest in Additive Manufacturing (AM), is seeing a rising number of industries and research entities adopting this technology into their manufacturing practices. Of particular interest is Laser Powder Bed ...
