[1O01-04] SFR 1

[1O02] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(33) Corrosion behavior of B₄C pellet immersed in molten stainless steel

*Toshihide Takai¹, Yuki Emura, Hidemasa Yamano (1. JAEA)

Keywords:Sodium-cooled fast reactor, Core disruptive accident, Boron carbide, Stainless steel, Eutectic

Corrosion behavior of B₄C pellet immersed in molten stainless steel was investigated in order to clarify eutectic reaction mechanism as basic data for a physical model development to simulate the eutectic melting reaction and relocation behavior of boron carbide as a control rod material and stainless steel during a core disruptive accident in an advanced sodium-cooled fast reactor. This paper describes the analysis results of the immersion tests.