Microstructure of Cs chemisorbed stainless steel type 304

Suzuki, Eriko ; Nakajima, Kunihisa ; Miwa, Shuhei ; Osaka, Masahiko ; Hashimoto, Naoyuki*; Isobe, Shigehito*

In order to clarify the revaporization behaviour of cesium (Cs) chemisorbed onto stainless steel under severe accident conditions, the chemical form and distribution of fine Cs chemisorbed compounds were investigated using microscopic analytical methods. It was found that the chemical form and crystal structure differed according to the temperature of Cs chemisorption and depth from the surface. The difference can affect the revaporization rate and revaporized species.

Language	:	Japanese
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Meeting title	:	日本原子力学会2020年春の年会
Held date	:	2020/03
Location (city)	:	福島
Location (country)	:	日本
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Keywords	:	セシウム化学吸着; ステンレス鋼; 微細組織; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
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Cooperating Institute	:	北海道大学

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Registration No. : BB20192004
JAEA Abstracts No. :
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