[S1] S1.Materials Science and Technology in High-Entropy Alloys (VIII)(2)

[S1.23] Effect of Yttrium Addition on High Temperature Mechanical Properties in Ni-rich High Entropy Superalloys

*Chen-yuan WANG^1,2, Sae Matsunaga¹, Tetsuya Matsunaga¹, Yoko Yamabe-Mitarai¹, Hideyuki Murakami^3,4, An　Chou Yeh² (1. University of Tokyo, 2. National Tsing Hua University, 3. National Institute for Materials Science, 4. Waseda University)

Keywords:High entropy superalloys、Rare earth element、High temperature mechanical property

In this study, yttrium is added to a Ni-rich HESA in order to understand the effect of rare earth element on the microstructure and high temperature mechanical properties .