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Meeting Materials Science & Technology 2020
Symposium Additive Manufacturing: Alloy Design to Develop New Feedstock Materials
Presentation Title An Interdisciplinary Approach for Alloy Design for Additive Manufacturing
Author(s) Raymundo Arroyave
On-Site Speaker (Planned) Raymundo Arroyave
Abstract Scope To date, the vast majority of work on metal AM has been framed in terms of the need to tune processing conditions in order for a specific conventional alloy, such as stainless steel, Ni-based super alloys, aluminum alloys, etc. This approach often overlooks the fact that historically, every engineering alloy has always been designed having a specific synthesis/processing route in mind. In this talk, I will present some recent work trying to address some of the challenges associated with the design of feedstock for AM. In order to design anything, one must have first a design metric and I thus revisit the concept of an alloy "printability". I then proceed to discuss what types of intrinsic (and extrinsic) materials attributes are amenable to optimization for printability. I finalize the talk by providing a couple of examples of 'co-design', in which alloy performance and printability have been taken into account.


3D Characterization of Cracks Formed in “Weldable” AA6061 and Implications for Alloy Design
Accidental Alloy Development: In-situ Evolution of AM Powder and Opportunities for New Material Synthesis Pathways
An Interdisciplinary Approach for Alloy Design for Additive Manufacturing
Application of Taguchi, Response Surface, and Artificial Neural Networks for Rapid Optimization of Direct Metal Laser Sintering Process
CALPHAD Informed Design of Rare-earth Containing Alloys for Additive Manufacturing
Characterization of Spatter with Organized Features in Laser Powder Bed Fusion
Development of Oxidation Resistant Multi-Principle Element Alloys Applied with Additive Manufacturing
High-Throughput Accelerated Alloy Development
Laser Additive Manufacturing of Nanocomposite Powders
Mechanical Alloying of Feedstock Powder for Additive Manufacturing by Selective Laser Melting: Aluminum Alloy Matrix Composites
Micro-crack Mitigation by Alloy Modification in the Additively Manufactured Ni-base Superalloy CM247LC
Microstructure and Property Variability in DED Inconel 718 as a Function of Build Rate
Opportunities to Improve the Mechanical Properties of Titanium Alloys Produced by Laser Powder Bed Fusion
Optimization of Nitrogen-Atomized 17-4 Stainless Steel Feedstock for AM Processing
Processing of Y2O3-modified Nickel Superalloy by Selective Laser Melting.
Residual Stress Mitigation of Additive Manufactured Stainless Steel 316L Components through the Directed Energy Deposition Inclusion of TiC Nanoparticles
Sensitivity Analysis and Composition Design for Metal Additive Manufacturing Using CALPHAD-based ICME Framework

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