Relationship of Surface Tension, Oxygen Partial Pressure, and Temperature for Molten Iron
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概要
- 論文の詳細を見る
Surface tension of molten iron was measured under reducing gas atmosphere of Ar--He--5 vol % H2 by an oscillating droplet method using electromagnetic levitation. The temperature dependence of surface tension did not exhibit a linear relationship but revealed a peculiar kink at around 1810 K, due to competition between the temperature dependence of oxygen partial pressure and that of the oxygen adsorption equilibrium constant. We successfully derived the surface tension of molten iron as functions of both oxygen partial pressure and temperature. Furthermore, the standard enthalpy and entropy for oxygen adsorption reaction on molten iron were also estimated.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2011-11-25
著者
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Suzuki Shoji
Department Of Cardiology Tsukuba Memorial Hospital
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Ozawa Shumpei
Department Of Aerospace Engineering
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Sugawara Hiroharu
Department Of Applied Chemistry University Of Tokyo
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Fukuyama Hiroyuki
Institute Of Multidisciplimary Research For Advanced Materials Tohoku University
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Takahashi Suguru
Department of Aerospace Engineering, Tokyo Metropolitan University, Hino, Tokyo 191-0065, Japan
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Ozawa Shumpei
Department of Aerospace Engineering, Tokyo Metropolitan University, Hino, Tokyo 191-0065, Japan
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Sugawara Hiroharu
Department of Human Mechatronics Systems, Tokyo Metropolitan University, Hino, Tokyo 191-0065, Japan
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Fukuyama Hiroyuki
Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, Sendai 980-8577, Japan
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Fukuyama Hiroyuki
Institute for Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, Sendai 980-8577, Japan
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Suzuki Shoji
Department of Human Mechatronics Systems, Tokyo Metropolitan University, Hino, Tokyo 191-0065, Japan
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