Relation of the corrosion rate of carbon steel in irradiating dilute artificial seawater and the dose rate of dilute artificial seawater

Motooka, Takafumi

Relation of the corrosion rate of carbon steel in irradiating dilute artificial seawater and the dose rate was investigated by corrosion tests using Co-60 source in the atmospheric condition, quantitative analysis of test solutions and identification of rusts. The corrosion rate of carbon steel was increased with the increase of dose rate of dilute artificial seawater. Hydrogen peroxide formed by water radiolysis controlled the corrosion rate of carbon steel. The oxidation of Fe $^{2+}$ by oxidizing species formed by water radiolysis affected the rust formation process of the carbon steel.

Language	:	Japanese
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Meeting title	:	材料と環境2016
Held date	:	2016/05
Location (city)	:	つくば
Location (country)	:	日本
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Keywords	:	炭素鋼; 腐食; 線量率; 人工海水; 放射線分解; 過酸化水素; さび; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
Research Facility	:	コバルト60照射施設
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Registration No. : BB20160222
JAEA Abstracts No. :
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