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Additive Manufacturing and Innovative Powder Processing of Functional and Magnetic Materials: Poster Session
Sponsored by: TMS Functional Materials Division, TMS Materials Processing and Manufacturing Division, TMS: Additive Manufacturing Committee, TMS: Magnetic Materials Committee, TMS: Powder Materials Committee
Program Organizers: Emily Rinko, Honeywell Fm&T; Iver Anderson, Iowa State University Ames Laboratory; Markus Chmielus, University of Pittsburgh; Emma White, DECHEMA Forschungsinstitut; Deliang Zhang, Northeastern University; Andrew Kustas, Sandia National Laboratories; Kyle Johnson, Sandia National Laboratories

Tuesday 5:30 PM
March 1, 2022
Room: Exhibit Hall C
Location: Anaheim Convention Center

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J-1: Development of NiTiMo Alloys Using Powder Blown Laser Direct Energy Deposition Additive Manufacturing: Nathaniel Lies¹; ¹Georgia Institute of Technology
    The utility of binary NiTi, TiMo, and NiMo alloys paves the way for the search for useful NiTiMo ternary alloys. Still, to date, limited experimental work has documented few compositions and calculations of ternary phase diagrams show considerable regions to explore for desirable alloys. This work explores the possibility for useful NiTiMo alloys using directed energy deposition (DED) additive manufacturing to achieve combinatorial synthesis of samples by varying the feed rates of prealloyed NiTi and elemental Mo powders into a laser heat source. Microstructures and chemistries of the DED samples are compared with those created through traditional vacuum arc melting (VAM) of ingots to understand differences between non-equilibrium DED process and near-equilibrium VAM. These results, together with thermal characterization of phase transformations, are presented in this poster.

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