1. Synchrotron Light Application Center, Saga University 1 , Saga 840-8502, Japan
2. Department of Mechanical Engineering, Kyushu University 2 , Fukuoka 819-0395, Japan
3. Department of Materials Science and Engineering, Kyushu University 3 , Fukuoka 819-0395, Japan
4. Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency 4 , Tsukuba, Ibaraki 305-8505, Japan