[P] P120~P130

[P127] Grain size dependence of deformation behavior and strengthening mechanisms in HfTiZr medium entropy alloy with HCP single phase

*LI XIANG¹、吉田 周平¹、CHONG YAN¹、辻 伸泰¹ (1. 京都大学)

キーワード：Multi-principal element alloys、MPEAs with HCP structures、Hall-Petch relationship、High Entropy Alloys、Medium Entropy Alloys

The grain size dependence of deformation behavior of HfTiZr equiatomic MEA has been invetigated and its strengthening mechanisms based on the Hall-Petch relationship of the MEA will be discussed.