[S4] ハイエントロピー合金の材料科学V

[S4.25] Characteristic deformation behavior of HfNbTiZr refractory medium entropy alloy

*QIAN HE¹, Shuhei Yoshida¹, Nobuhiro Tsuji^1,2 (1. Dept. of Materials Science and Engineering, Kyoto University、2. Elements Strategy Initiative for Structural Materials (ESISM), Kyoto University)

キーワード：Refractory Medium Entropy alloy、Deformation behavior、Work hardening、Dislocation microstructure

Localized necking appeared just after yielding in HfNbTiZr RMEA. Slip lines in the HfNbTiZr RMEA showed planar morphology in contrast to wavy ones in the pure Nb.