^○Yuji Sato¹, Shuhei Shinzato¹, Takahito Ohmura², Shigenobu Ogata^1,3 (1.Department of Mechanical Science and Bioengineering, Osaka University, Japan, 2.Research Center for Structural Materials, National Institute for Materials Science, Japan, 3.Center for Elements Strategy Initiative for Structural Materials (ESISM), Kyoto University, Japan)

^○Ako Kihara¹, Xiao-Wen Lei¹, Akihiro Nakatani² (1.Dept. of Mechanical Engineering, Univ.of Fukui, Japan, 2.Dept. of Adaptive Machine Systems, Osaka Univ., Japan)

^○Takahito Ohmura (National Institute for Materials Science, Japan)