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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,9; 10mass%B$$_{4}$$C-SS共晶溶融物の粘度測定

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 9; Viscosity measurement of 10mass%B$$_{4}$$C-SS eutectic molten material

西 剛史*; 太田 弘道*; 山野 秀将   

Nishi, Tsuyoshi*; Ota, Hiromichi*; Yamano, Hidemasa

炭化ホウ素(B$$_{4}$$C)とステンレス鋼(SS)の溶融混合物の粘度データはシビアアクシデント解析に必要不可欠である。本研究では、平成29年度に報告した5mass%B$$_{4}$$C-SS共晶溶融物の粘度測定に続き、10mass%B$$_{4}$$C-SS共晶溶融物の粘度測定を実施し、データの検証を実施したので報告する。

It is necessary to obtain viscosity data of eutectic molten material of boron carbide (B$$_{4}$$C) and stainless steel (SS) for severe accident analyses. In this study, continuing from viscosity measurement of 5mass%B$$_{4}$$C-SS eutectic melt which was reported in JFY 2017, viscosity measurement of 10mass%B$$_{4}$$C-SS eutectic melt and its data verification have been conducted. This paper reports their results.

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