固液平衡温度におけるδ-鉄中の珪素と酸素の平衡

FUJISAWA Toshiharu, NOMURA Makoto, SAKAO Hiroshi

doi:10.2355/tetsutohagane1955.64.6_720

固液平衡温度におけるδ-鉄中の珪素と酸素の平衡

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FUJISAWA Toshiharu

Faculty of Engineering, Nagoya University
NOMURA Makoto

Faculty of Engineering, Nagoya University Mizushima Works, Kawasaki Steel Corporation
SAKAO Hiroshi

Faculty of Engineering, Nagoya University

書誌事項

タイトル別名

Silicon-Oxygen Equilibrium in δ-iron at the Solid-Liquid Equilibrium Temperature
コエキヘイコウオンドニオケルデルタテツチュウノケイソトサ
Silicon-Oxygen Equilibrium in δ-Iron at the Solid-Liquid Equilibrium Temperature

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説明

Experiments were carried out using the zone melting technique on the silicon-oxygen equilibrium in δ-iron at the solid-liquid equilibrium temperature.<br>The deoxidation constant with silicon in liquid iron was log K_Si(l)=-5.18([%Si(l)]<0.64) at this temperature, which is in good agreement with the values given in the literature.<br>The silicon-oxygen equilibrium relationship in o-iron at the solid-liquid equilibrium temperature is represented by the following equations: log{a_Si(s)•a_O(s)²/aSiO₂}=-7.19([%Si(s)]≤0.5) logf^Si_Si(s)=0.086[%Si(s)] logf^O_Si(s)=-15.9[%O(s)] logf^Si_O(s)=-9.05[%Si(s)]+30[%Si(s)]² ([%Si(s)]≤0.1) logf^o_o(s)≅0.