1. Department of Physical Science and Engineering, Nagoya Institute of Technology, Nagoya, Aichi, Japan
2. Division of Materials and Manufacturing Science, Graduate School of Engineering, Suita, Osaka, Japan
3. Magnesium Research Center & Department of Materials Science, Kumamoto University, Kumamoto, Japan
4. Department of Adaptive Machine Systems, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan