[1O01-04] SFR 1

[1O04] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(35) Solidification process of SUS316L containing 14, 17mass%B₄C by combination of in-situ observation and rapid cooling with electromagnetic levitation method

*Hiroyuki Fukuyama¹, Hideo Higashi¹, Makoto Ohtsuka¹, Masayoshi Adachi¹, Hidemasa Yamano² (1. Tohoku University, 2. JAEA)

Keywords:Sodium-cooled fast reactor, Boron carbide, Stainless steel, Solidification process, In-situ observation

This study is basic research to construct a model to simulate the eutectic melting behavior of control rod materials in a core disruptive accident of a sodium-cooled fast reactor. The solidification process of SUS316L containing 14, 17 mass%B₄C was investigated by combining in-situ observation by the electromagnetic levitation method and microstructural observation by the rapid cooling method.