4.7 Article

Noble metal high entropy alloys

Journal

SCRIPTA MATERIALIA
Volume 126, Issue -, Pages 29-32

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2016.08.017

Keywords

High entropy alloys; FCC structure; Solid solution; Compressive property; Phase stability

Funding

  1. National Science Foundation under DMREF [DMR-1436268]
  2. NSF [DMR-1119826]

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A series of noble metal high entropy alloys with up to six constituent elements has been produced by casting. PtPdRhIrCuNi forms single-phase face-centered cubic solid solution, and its stability is confirmed by annealing experiments. This alloy deforms homogeneously to similar to 30% to a high ultimate compression strength of 1839 MPa. We discuss rules for the formation of single-phase solid solution. (C) 2016 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.

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