Characterization of Refractory Alloys Produced by Laser Additive Manufacturing

Kustas, Andrew B.; Pegues, Jonathan; Melia, Michael A.; Whetten, Shaun R.; Jones, Morgan; Argibay, Nicolas; Salvati, ed., Enrico

doi:10.1155/2022/1928643

Characterization of Refractory Alloys Produced by Laser Additive Manufacturing

Journal Article · Wed Nov 23 23:00:00 EST 2022 · Material Design & Processing Communications

DOI:https://doi.org/10.1155/2022/1928643· OSTI ID:1899723

^[1]; ^[1]; ^[1]; Whetten, Shaun R. ^[1]; ^[2]; ^[3]; Salvati, ed., Enrico

Material, Physical, and Chemical Sciences Center, Sandia National Laboratories, Albuquerque, NM, USA
Material, Physical, and Chemical Sciences Center, Sandia National Laboratories, Albuquerque, NM, USA, Materials Department, University of California, Santa Barbara, CA, USA
Ames National Laboratory, Iowa State University, Ames, IA, USA

Refractory alloys often possess superior thermomechanical properties compared to conventional materials, such as steels, Ni-based superalloys, and Ti alloys, especially in high-temperature environments. While these materials promise to revolutionize numerous industries, significant hurdles remain for insertion into applications due to an incomplete understanding of structure-property relationships and conventional processing challenges. We explore laser-based additive manufacturing (AM) to construct refractory alloys consisting of combinations of Mo, Nb, Ta, and Ti with systematically increasing compositional complexity. Microstructure, composition, and hardness of the AM-processed alloys were characterized. Results are discussed in the context of pairing additive manufacturing with refractory metals to enable next-generation alloys.

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Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0003525

OSTI ID:: 1899723

Journal Information:: Material Design & Processing Communications, Journal Name: Material Design & Processing Communications Vol. 2022; ISSN 2577-6576

Publisher:: Hindawi Publishing CorporationCopyright Statement

Country of Publication:: United States

Language:: English

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