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ナトリウム冷却高速炉の炉心損傷事故時の制御棒材の共晶溶融挙動に関する研究,30; 黒体放射型超高温熱分析法による9-11mass% B$$_{4}$$C含有SUS316Lの溶融挙動

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 30; Melting behavior analysis of SUS316L containing 9-11mass% B$$_{4}$$C using ultrahigh-temperature thermal analysis based on blackbody radiation

東 英生*; 福山 博之*; 大塚 誠*; 安達 正芳*; 山野 秀将   

Higashi, Hideo*; Fukuyama, Hiroyuki*; Otsuka, Makoto*; Adachi, Masayoshi*; Yamano, Hidemasa

ナトリウム冷却高速炉の炉心損傷事故における制御棒材(炭化ホウ素: B$$_{4}$$C)と原子炉構造材(ステンレス鋼: SS)の共晶反応メカニズム検討のため、黒体放射型超高温熱分析法を用いて9-11mass%B$$_{4}$$C含有SUS316Lの溶融挙動の解析を行った結果について報告する。

The purpose of this study is to investigate the eutectic reaction mechanism of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SUS316L (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes a melting behavior analysis of SUS316L containing 9-11mass% B$$_{4}$$C using ultrahigh-temperature thermal analysis based on blackbody radiation.

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