[S4] Materials Science and Technology in High-Entropy Alloys (XIII)

2:20 PM - 2:35 PM JST(5:20 AM - 5:35 AM UTC)

[S4.17] Mechanical Property Evaluation of CoCuFeNiPd High Entropy Alloy

○Tatsuya Oga¹, Ken Cho¹, Takeshi Nagase², Hiroyuki Yasuda¹ (1. UOsaka, 2. Univ. of Hyogo)

Keywords:

High Entropy Alloy,CoCuFeNiPd,Mechanical property

We experimentally fabricated the CoCuFeNiPd alloy, validated only by simulation until now, and ran compression tests. It formed a single fcc phase with room-temperature strength above 350 MPa, explained by Curtin's solid-solution model. At 400 and 600 °C, other mechanisms raised the yield stress.