Cause analysis of stress corrosion cracking incident due to polyvinyl chloride cable on glove box

Yamada, Yoshikazu ; Shibanuma, Kimikazu

During a periodic inspection, multiple spot-like nuclear material contamination (maximum 21.7 Bq) was detected at the outer surface of a glove-box (GB) body used to install equipment for fabricating mixed oxide (MOX) fuel at the Japan Atomic Energy Agency. The inspection confirmed a total of 13 cracks passing through the thickness direction of the GB and a bleeding phenomenon was observed on the polyvinyl chloride (PVC) cables in the GB. These cracks were judged as stress corrosion cracking induced by the generation of chlorine gas by irradiation of PVC cables lying against the inner surface of the GB.

Language	:	English
Journal	:	Proceedings of International Nuclear Fuel Cycle Conference / Light Water Reactor Fuel Performance Conference (Global/Top Fuel 2019) (USB Flash Drive)
Volume	:
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Pages	:	p.648 - 654
Publication Year/Month	:	2019/09
Meeting title	:	International Nuclear Fuel Cycle Conference / Light Water Reactor Fuel Performance Conference (Global/Top Fuel 2019)
Held date	:	2019/09
Location (city)	:	Seattle
Location (country)	:	U.S.A.
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DOI for research data	:
Keywords	:	no keyword
Research Facility	:	プルトニウム燃料製造施設
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Registration No. : BB20190167
JAEA Abstracts No. : 48000296
Paper Submission No. : 22636

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