^〇Tsuyoshi Usami¹, Kazuyoshi Uruga¹, Takeshi Tsukada¹, Yoshiyuki Miura², Eiji Ochi² (1.Central Research Institute of Electric Power Industry, 2.Japan Nuclear Fuel Ltd)

^〇Yoshihiro Okamoto¹, Hideaki Shiwaku¹, Masami Nakada¹, Mitsuo Akabori¹, Hidenori Kawashima², Satoshi Komamine², Eiji Ochi² (1.Japan Atomic Energy Agency, 2.Japan Nuclear Fuel Limited)

^〇Takayuki Nagai¹, Ken-ichi Sasage¹, Koichi Ohyama¹, Nobuaki Sato², Takehiko Inose³, Seiichi Sato³, Kiyoshi Hatakeyama⁴ (1.Japan Atomic Energy Agency, 2.Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 3.Inspection Development Company Ltd., 4.E&E Techno Service Co., Ltd.,)

^〇Takehiko Inose¹, Daiji Nishizawa², Koichi Ohyama², Takayuki Nagai² (1.Inspection Development Company, 2.Japan Atomic Energy Agency)