R&D of advanced stainless steels for BWR fuel claddings, 3-5; Welding and inspection

Kimura, Akihiko*; Yabuuchi, Kiyohiro*; Sakamoto, Kan*; Yamashita, Shinichiro ; Kusagaya, Kazuyuki*

The joining technique of FeCrAl-ODS stainless steel is considered to be the indispensable technology in the development of the accident tolerant fuel cladding for LWRs. In this study, the strength of end cap joining part welded by the conventional EB weld was measured and X-ray CT checks were performed to the end cap joining part to obtain the relationship between the strength and the microstructure. The end cap welding condition was considered from the obtained results.

Language	:	Japanese
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Meeting title	:	日本原子力学会2018年秋の大会
Held date	:	2018/09
Location (city)	:	岡山
Location (country)	:	日本
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Keywords	:	事故耐性; 燃料被覆管; 酸化物分散強化フェライト鋼; EB溶接; X線CT検査
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Article of JAEA R&D Review	:
Cooperating Institute	:	経済産業省資源エネルギー庁

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Registration No. : BB20180765
JAEA Abstracts No. :
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