[S4] Materials Science and Technology in High-Entropy Alloys V

3:00 PM - 3:20 PM JST(6:00 AM - 6:20 AM UTC)

[S4.23] Microstructure and mechanical property study on a refractory high-entropy alloy CrHfNbTaTi

*Cheng YANG¹, Huakang BIAN¹, Kenta AOYAGI¹, Kenta YAMANAKA¹ (1. IMR Tohoku Univ.)

Keywords:

CrHfNbTaTi,refractory high entropy alloy,mechanical property,nanoscale phase,Laves phase

Equimolar CrHfNbTaTi RHEA with equiaxed grains was fabricated. Substituting Zr for Cr introduced Laves phase and high-level solid solution strengthening, which resulted in high strength.