Investigation on Cs chemisorption behavior onto stainless steel by microscopic analyses

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

In order to study the cesium (Cs) chemisorption behavior onto stainless steel (SUS) under severe accident conditions, the chemical form and distribution of Cs compounds formed inside of the SUS oxide layer were investigated based on the microscopic observation such as TEM/EDS. As a result, it was revealed that chemical forms of Cs compounds varies along chemisorption temperature and depth from the SUS oxide layer surface.