*Shota NISHIO¹, Takumi HARUNA² (1. 関大理工（院生）、2. 関西大化生工)

*KAZUYA OKADA¹, TAKUMI HARUNA² (1. kansai)

*Rikuhei Tanaka¹, Kyohei Kanki², Hiroaki Tsuchiya¹, Shinji Fujimoto¹ (1. Osaka Univ., 2. Nippon Steel Corporation)

*Seong-Cheol Kim¹, Takao Hanawa^1,2,3, Tomoyo Manaka², Hiroaki Tsuchiya¹, Shinji Fujimoto¹ (1. Osaka Univ., 2. Tokyo Medical and Dental Univ., 3. Kobe Univ.)

*Yuji ISHIDA¹, RYO MATSUNAGA², TAKURO MATSUZAKI³ (1. Nishinippon Inst. of Technology, 2. Nishinippon Inst. of Technology, 3. Graduate School (Nishinippon Inst. of Technology))

*Yumika OKADA¹, Sayaka MIYABE², Shinji FUJIMOTO², Yusuke KATO³, Takayuki KAMIMURA⁴ (1. Osaka Univ., 2. Osaka Univ., 3. Nippon Steel Corp., 4. Nippon Steel Research Institute Corp.)