Investigation of in-reactor cesium chemical behavior in TEPCO's Fukushima Daiichi Nuclear Power Station accident, 10; Phenomenological generation mechanisms of spherical cesium bearing particle

Ito, Kenichi*; Suzuki, Akihiro*; Oishi, Yuji*; Nakamori, Fumihiro*; Hikida, Shiro*; Nozaki, Kenichiro*; Honda, Takeshi*; Mizokami, Shinya

no journal, , 

The spherical cesium bearing particles (insoluble Cs particles), which were found in Fukushima and Tokyo area, are considered to be formed in RPV of Fukushima Daiichi NPS unit2 because of its composition and microstructural characteristic that needs quench from high temperature.