Browsing 2017 International Solid Freeform Fabrication Symposium by Department "Mechanical Engineering"
Now showing items 1-20 of 221
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3-Dimensional Cellular Automata Simulation of Grain Structure in Metal Additive Manufacturing Process
(University of Texas at Austin, 2017)Distinct grain structures have been observed in Metal Additive Manufacturing (MAM) processes. These grain structures feature columnar grains which occasionally mix with equiaxed grains. The occurrence of these grain ... -
316L Powder Reuse for Metal Additive Manufacturing
(University of Texas at Austin, 2017)Metal additive manufacturing via laser powder bed fusion is challenged by low powder utilization. The ability to reuse metal powder will improve the process efficiency. 316L powder was reused twelve times during this ... -
3D Bioprinting of Scaffold Structure Using Micro-Extrusion Technology
(University of Texas at Austin, 2017)Scaffold-based techniques are a vital assistance tool to support main structure and enhance the resolution of target structure. In this study, a custom-made micro-extrusion bioprinting system was built and utilized to ... -
5-Axis Slicing Methods for Additive Manufacturing Process
(University of Texas at Austin, 2017)In metallic Additive Manufacturing (AM) processes such as Hybrid Layered Manufacturing (HLM), it is difficult to remove the support material used for realizing the overhanging/undercut features. Multi-axis kinematics can ... -
Active - Z Printing: A New Approach to Increasing 3D Printed Part Strength
(University of Texas at Austin, 2017)Research suggests that topology and build parameters in Fused Filament Fabrication (FFF) play a vital role in determining mechanical properties of parts produced by this technique. In particular, the use of 2D layers ... -
Additive Fabrication of Polymer-Ceramic Composite for Bone Tissue Engineering
(University of Texas at Austin, 2017)The objective of this study is to manufacture chitosan-based biocomposite 3-D scaffolds through additive fabrication for promoting the regeneration of bone defects. Additive manufacturing has enabled the production of ... -
Additive Manufacturing of High-Entropy Alloys - A Review
(University of Texas at Austin, 2017)High-entropy alloys have attracted increasingly interest due to their unique compositions, microstructures and mechanical properties. Additive manufacturing has been recognized as a promising technology to fabricate the ... -
Additive Manufacturing Utilizing Stock Ultraviolet Curable Silicone
(University of Texas at Austin, 2017)Extrude and Cure Additive Manufacturing (ECAM) is a method that enables 3D printing (3DP) of common thermoset materials. Ultraviolet (UV)-curable silicone is an example of a thermoset material with a large number of ... -
Additively Manufactured Conformal Negative Stiffness Honeycombs
(University of Texas at Austin, 2017)This study investigates the static and dynamic mechanical performance of conformal negative stiffness honeycomb structures. Negative stiffness honeycombs are capable of elastically absorbing a static or dynamic mechanical ... -
Aluminum Matrix Syntactic Foam Fabricated with Additive Manufacturing
(University of Texas at Austin, 2017)Syntactic foams are lightweight structural composites with hollow reinforcing particles embedded in a soft matrix. These materials have applications in transportation, packaging, and armor due to properties such as ... -
Analysis of Hybrid Manufacturing Systems Based on Additive Manufacturing Technology
(University of Texas at Austin, 2017)Along the last year, additive manufacturing technologies has been proving to be a real game changer in several market segments. Nevertheless, the main foundation of production and flexible manufacturing systems generally ... -
Analytical and Experimental Characterization of Anisotropic Mechanical Behaviour of Infill Building Strategies for Fused Deposition Modelling Objects
(University of Texas at Austin, 2017)As consequence of the 3d printing extraordinary rising along the last years, product development fields are facing new challenges. In addition, it is notary that low cost additive manufacturing, as such fused filament ... -
The Application of Composite Through-Thickness Assessment to Additively Manufactured Structures
(University of Texas at Austin, 2017)This study looks into the applicability of through-thickness assessment to additive manufacturing (AM) carbon-fibre reinforced polymers (CFRPs). The study utilised a material extrusion printer that uses fused filament ... -
Applied Solvent-Based Slurry Stereolithography Process to Fabricate High-Performance Ceramic Earrings with Exquisite Details
(University of Texas at Austin, 2017)This paper discusses the application of Slurry based Stereolithography additive manufacturing process in the fabrication of complex earring models without any support structures requirement, using High-Performance Ceramic ... -
Approaching Rectangular Extrudate in 3D Printing for Building and Construction by Experimental Iteration of Nozzle Design
(University of Texas at Austin, 2017)In Extrusion based 3D Printing technology, the voids could be reduced and the surface finish of printed parts could be improved with extrudate shape optimization. For large-scale 3D Printing technology like 3D Printing ... -
Areal Surface Characterization of Laser Sintered Parts for Various Process Parameters
(University of Texas at Austin, 2017)Laser sintered polymer parts consist of rough surfaces due to the layered manufacturing and adherence of incomplete molten particles. The absolute roughness depend on various process parameters like build angle, spatial ... -
Big Area Additive Manufacturing Application in Wind Turbine Molds
(University of Texas at Austin, 2017)Tooling is a primary target for current additive manufacturing (AM), or 3D printing, technology because of its rapid prototyping capabilities. Molds of many sizes and shapes have been produced for a variety of industries. ... -
Binder Jet Additive Manufacturing of Stainless Steel - Tricalcium Phosphate Biocomposite for Bone Scaffold and Implant Applications
(University of Texas at Austin, 2017)Scaffolds are 3D biocompatible structures that mimic the extracellular matrix properties (mechanical support, cellular activity and protein production) of bones and provide place for cell attachment and bone tissue ... -
Binderless Jetting: Additive Manufacturing of Metal Parts via Jetting Nanoparticles
(University of Texas at Austin, 2017)Binder Jetting AM has been used to fabricate metal parts by first jetting a binder into powder bed; the resulting green part is then thermally post-processed wherein the binder is removed and the metal particles are ...
