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Viscosities of stainless steel and boron carbide alloy melts

ステンレス鋼-炭化ホウ素合金の粘度

西 剛史*; 太田 弘道*; 小久保 宏紀*; 山野 秀将   

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

ステンレス鋼(SS)とB$$_{4}$$Cの合金融体に対して、SS+5mass%B$$_{4}$$CとSS+10mass%B$$_{4}$$Cの融体の粘度測定をそれぞれ1713Kから1823Kまで、1773K$$sim$$1813Kの温度範囲で実施した。その結果、両者の粘度には違いがなかった。さらに、これらの粘度に対してアレニウス型の相関式を得た。SS融体よりSS+B$$_{4}$$C合金融体の粘度は高いことがわかった。SS+B$$_{4}$$C合金融体の粘度はB$$_{4}$$C成分が増加するにつれて増加することが想定される。

The viscosity measurements of the SS+5mass%B$$_{4}$$C and SS+10mass%B$$_{4}$$C alloy melts were performed in the temperature range from 1713 to 1823 K and from 1773 to 1813 K, respectively. In these results, there was no difference as expected for the viscosities of the SS+5mass%B$$_{4}$$C alloy melts and the SS+10mass%B$$_{4}$$C alloy melts. Moreover, the viscosities of the SS+5 mass%B$$_{4}$$C alloy melts can be fitted by Arrhenius's equation. It was also found that the viscosities of both SS+B$$_{4}$$C alloy melts were higher than that of the SS melts. It can be presumed that the viscosity of the SS+B$$_{4}$$C alloy melts increased with B$$_{4}$$C components.

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