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Meeting MS&T21: Materials Science & Technology
Symposium Additive Manufacturing: Alloy Design to Develop New Feedstock Materials III
Sponsorship TMS Alloy Phases Committee
Organizer(s) Aurelien Perron, Lawrence Livermore National Laboratory
Joseph McKeown, Lawrence Livermore National Laboratory
Manyalibo Matthews, Lawrence Livermore National Laboratory
Peter Hosemann, University of California, Berkeley
Christian Leinenbach, Empa, Swiss Federal Laboratories for Materials Science and Technology
Scope Growth in materials diversity for metals-based additive manufacturing (AM) is becoming increasingly important due to the challenges associated with achieving controllable microstructures and properties in technically relevant alloys, such as conventional steels (i.e., 316L stainless steel), high-performance aluminum alloys (e.g., 6061, 7075, etc.), Ni-Cr–based superalloys (Inconel 718/625), and titanium alloys (largely Ti-6Al-4V). There is an increasing need to develop new materials feedstocks that are better suited to take advantage of AM processes and their parameters. New alloys for structural and biomedical applications, high-strength and high-radiation-resistant alloys, and hierarchically graded materials, among others, have begun to generate interest.

This symposium will highlight recent advances in the design, optimization, and deployment of new alloy feedstock materials for AM. Presentations are sought that illustrate paths toward broadening the design space to include new, innovative materials, including but not limited to:

• New alloys for AM, such as high-entropy alloys
• Modification of conventional commercial alloys for AM showing promises for deployment
• Experiments that explore a broader alloy design space, including powder development and microstructural assessments
• Combinatorial experimental approaches for materials design and optimization
• Computational methods for design of alloys with improved properties
• Experiments and simulations that aid in understanding the role of physical properties on alloy design
• Advanced characterization techniques that provide insight for materials design

Abstracts Due 04/15/2021

A High-throughput Method to Define New Feedstock Process Parameters in Additive Manufacturing
Additive Manufacturing Feasibility Investigation Using Single Track Study for the Fabrication of Borated Austenitic Stainless Steels via Laser Powder Bed Fusion
Development of Al-Ce Alloys for Additive Manufacturing Using the CALPHAD Method
Grain Boundary Engineering of 316L Stainless Steel via Laser Powder Bed Fusion
Insights into Additive Manufacturability and Microstructure Evolution from Simple Analytical Models
Solidification Cracking in Binary Al-Cu Alloys (1.5, 3.0, 4.5, 6.0, and 10 wt.% Cu) Additively Manufactured by Laser Powder Bed Fusion
Spherical Micro/Macro Indentation Stress-strain Curves for Additive Manufacturing Materials Design

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