1. Bar & Wire Rod Reseach Lab., Steel Research Laboratories, Nippon Steel & Sumitomo Metal Corporation
2. Graduate School of Natural Science and Technology, Kanazawa University
3. Kimitsu R&D Labs., Nippon Steel & Sumitomo Metal Corporation
4. Technical Research & Development Bureau, Nippon Steel & Sumitomo Metal Corporation
5. Graduate Student, Sophia University
6. Department of Engineering and Applied Science, Faculty of Science and Technology, Sophia University
7. Department of Molecular and Materials Sciences, Interdisciplinary Graduate School of Engineering Sciences Kyushu University
8. Department of Electrical and Materials Science, Faculty of Engineering Sciences Kyushu University