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Vol.40, No.1, 111 ~ 116, 2002

Title

Pyrometallurgy : Thermodynamics of Zinc in Fe - C Melt at High Temperatures

문석민Seok Min Moon,이명진Myoung Jin Lee,민동준Dong Joon Min

Abstract

The distribution ratio of zinc between Ag-Zn and Fe-C-Zn alloys was measured to clarify the thermodynamic behavior of zinc in Fe-C melt at high temperatures. The activity coefficient of zinc in Ag-Zn alloy was preliminarily measured as a fundamental thermodynamic data for the activity of zinc in Fe-C melt. From the dependence of activity coefficient of zinc in Fe-C melt on temperature and carbon content, the following equation could be obtained at 1573-1623K: 1nγ_zn^Fe-C= {35.1-(42200/T)}+20.9(X_c-X_c^satd) (1573 K≤T≤1623 K) X_c^satd= {3610+14.2T(K)/123000+11.1T(K)}

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