Rust and corrosion mechanism of carbon steel in dilute chloride solution at low dose rates

Motooka, Takafumi

Previous corrosion test of carbon steel in dilute artificial seawater under Co-60 -ray irradiation has indicated that corrosion rate was enhanced at absorbed dose rates: 100 Gy/h and rust color was changed from black to dark brown. In the present study, the corrosion mechanism of carbon steel under Co-60 -ray irradiation was investigated by identification of rust. rays enhanced oxidation of iron ions from di-valent to tri-valent. Rust formed under irradiation had higher oxidation state.

Language	:	English
Journal	:	QST-M-8; QST Takasaki Annual Report 2016
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Pages	:	P. 73
Publication Year/Month	:	2018/03
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Paper URL	:	https://repo.qst.go.jp/records/73811
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	Rust; Corrosion; Carbon steel; Dose; Chloride solution; Irradiation; Fukushima Daiichi Nuclear Power Station Accident; 福島第一原子力発電所事故
Research Facility	:	コバルト60照射施設
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Registration No. : AA20170175
JAEA Abstracts No. :
Paper Submission No. : 27063

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