13:30 〜 13:50
*Hideshi Miura1, Kentaro Kudo2, Toshiko Osada3, kazunari Shinagawa2, Yoshinori Itoh4 (1. Research Center for Steel of Kyushu University(Japan), 2. Graduate school of Kyushu University(Japan), 3. Tokyo Metropolitan University(Japan), 4. Industrial Research Institute of Shizuoka Prefecture(Japan))