Integrity evaluation for welding of irradiated and un-irradiated type 316 stainless steels

Shibata, Akira ; Nakamura, Natsuki ; Futakawa, Masatoshi ; Maekawa, Katsuhiro*

Welding between irradiated and un-irradiated type 316 stainless steel is demanded for in-pile IASCC tests in Japan Materials Testing Reactor. Specimens were made from type 316 stainless steel which was irradiated up to 610 $^{25}$ n/m $^{2}$ ( 1 MeV) in Reactor and welding tests of irradiated and un-irradiated type 316 stainless steels were performed to confirm integrity of the welding. Relationship between heat input and amount of Helium bubbles in welding bead was evaluated and hardness test was performed. It appeared that there is threshold value of heat input for welding without problem.

Language	:	Japanese
Journal	:	Zairyo Shiken Gijutsu
Volume	:	62
Number	:	1
Pages	:	p.35 - 40
Publication Year/Month	:	2017/01
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Registration No. : AA20160171
JAEA Abstracts No. : 47000500
Paper Submission No. : 21172

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