[3E10-12] FP Behavior 2

[3E12] Chemical interaction between Sr compounds and Zircaloy

*Afiqa Mohamad^1,2, Kunihisa Nakajima¹, Shunichiro Nishioka¹, Shuhei Miwa¹, Masahiko Osaka¹ (1. JAEA, 2. Osaka University )

Keywords:Chemisorption, Strontium , Zircaloy

In the accident of Fukushima Daiichi nuclear power station, the release of Sr from fuel would be enhanced both by the formation of volatile SrCl₂ and steam starvation condition, which can lead to Sr chemical reaction with Zircaloy (Zry) cladding. This study aimed at investigating basic aspects of the Sr-Zry chemical reaction by experiment and chemical equilibrium calculation. The first result indicated that formation of SrZrO₃ could be limited in the case of SrCl₂ formation.