1. Department
of Mechanical Engineering, Gifu National College of Technology, 2236-2 Kamimakuwa, Motosu, Gifu 501-0495, Japan
2. Department
of Metallurgy and Ceramics Science, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8550, Japan
3. Department
of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka 940-2188, Japan
4. World
Premier International Research Center, International Center for Materials
Nanoarchitectonics, National Institute for Materials Science, 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan
5. Department
of Mechanical Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
6. Graduate
School of Natural Science and Technology, Okayama University 3-1-1
Tsushima-naka, Kita-ku, Okayama 700-8530, Japan