Effects of Mn Content and Grain Size on Hydrogen Embrittlement Susceptibility of Face-Centered Cubic High-Entropy Alloys

Motomichi Koyama, Haoyu Wang, Virendra Kumar Verma, Kaneaki Tsuzaki, Eiji Akiyama

研究成果: Article査読

抄録

The effects of Mn content and grain size on the hydrogen embrittlement resistance of face-centered cubic (FCC) CrCoFeMnNi high-entropy alloys were examined using tensile testing at an initial strain rate of 10−4 s−1. The most important finding of this study was that the combined effect of Mn removal and grain refinement provided nearly complete resistance to hydrogen embrittlement with over 800 MPa tensile strength in FCC high-entropy alloys, even after 100 MPa hydrogen gas charging.

本文言語English
ページ(範囲)5612-5616
ページ数5
ジャーナルMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
51
11
DOI
出版ステータスPublished - 2020 11 1

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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