^○Kenji Nakase¹, Yoshie Nakai¹, Goro Okuyama¹, Yasuo Kishimoto¹, Isshu Tetsuyama² (1.JFE, 2.Sumitomo Heavy Industries)

^○Renya Shimizu¹, Hiroyuki Matsuura¹, Kenji Nakase² (1.The Univ. of Tokyo, 2.JFE)

^○Takayuki Iwama¹, Ryo Inoue¹, Shigeru Ueda¹, Kenji Nakase² (1.Tohoku Univ., 2.JFE)

^○Miyoshino Osamu, Takayuki Iwama, Ryo Inoue, Shigeru Ueda (Tohoku Univ.)

^○Akio Uehara, Tetsuaki Ando (Kyouzai Saiseki Co. Ltd.)