*Hirotaka NAKANO¹, Tomotaka Tomotaka², Hiroshi SHUTO³, Toshiyuki FUJII² (1. Tokyo Institute of Technology, graduate student, 2. Tokyo Institute of Technology, 3. Nippon Steel)

*Yuto OKUMA¹, Kenji Kenji² (1. Ibaraki Univ, 2. Ibaraki Univ)

*Takuto Ando¹, Naoki Naoki², Susumu Onaka² (1. Tokyo Tech, 2. Tokyo Tech)

*Nozomi MIZUMOTO¹, Sosuke Sosuke², Yoshitaka MATSUKAWA³, Kou YO², Ryuta KASADA² (1. 東北大学工学研究科（院生）、2. 東北大学工学研究科、3. 熊本大学)

*Ryo SHINOHARA¹, Takeshi Takeshi², Katsushi TANAKA² (1. Kobe Univ., 2. Kobe Univ.)

*Daichi MORIKAWA^1,2, Koji Koji^1,2, Kohei SOGA¹ (1. Tokyo University of Science, 2. National Institute for Material Science)

*Fumina TOKITO¹, Yelm Yelm², Tatsuya MORIKAWA³, Shigeto YAMASAKI³, Masaki TANAKA^3,4, Shinji YAMAMOTO⁵, Nobusato MORISHIGE⁵ (1. 九州大工(院生)、2. 木更津高専、3. 九州大工、4. 京大・ESISM、5. 日本製鉄)