^〇KENJI NOSHITA¹, TATSUHIRO MITSUKE² (1.Hitachi, Ltd., Hitachi Research Laboratory, 2.JAPAN NUCLEAR FUEL LIMITED)

^〇Satoko Shimoda¹, Toshiyuki Nakazawa¹, Hiroyasu Kato¹, Mamoru Kumagai² (1.Mitsubishi Materials Corporation, 2.JAPAN NUCLEAR FUEL LIMITED)

^〇Yusuke Hasegawa¹, Kazuko Haga² (1.JAPAN NUCLEAR FUEL LIMITED, 2.Taiheiyo Consaltant Co., Ltd)

^〇Naoki Yoshii¹, Yu Yamashita² (1.JAPAN NUCLEAR LIMITED, 2.Toshiba Corporation)