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Meeting MS&T21: Materials Science & Technology
Symposium Additive Manufacturing: Alloy Design to Develop New Feedstock Materials III
Presentation Title Development of Al-Ce Alloys for Additive Manufacturing Using the CALPHAD Method
Author(s) Emily E. Moore, Zachary C Sims, Hunter B Henderson, Orlando Rios, Scott K McCall, David Weiss, Aurélien Perron
On-Site Speaker (Planned) Emily E. Moore
Abstract Scope The addition of rare-earth elements (REE), specifically cerium and lanthanum is of interest to improve the mining economics of Nd, Pr, Sm, etc., which are widely used in clean energy technology. Thermochemical modeling using the CALPHAD method (CALculation of PHAse Diagrams) aids in designing alloys for additive manufacturing by predicting the phase-behavior of multi-component systems. A thermodynamic database to investigate Al-Ce alloys has been developed and include the following elements, respectively : Al-Ce-Cu-Fe-La-Mg-Mn-Ni-Si-Zn-Zr. The model is applied to design new alloys with within specified composition ranges and include relevant phases that are empirically known to provide strengthening properties. Prepared by LLNL under Contract DE-AC52-07NA27344. Research supported by CMI, an Energy Innovation Hub funded by the U.S. DOE, Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office. LLNL-ABS-820845


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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