The thermodynamics of the Fe-Co-S ternary system

被引：3
|
作者：
Soltanieh, M [1 ]
Toguri, JM [1 ]
Sridhar, R [1 ]
机构：
[1] Univ Toronto, Dept Met & Mat Sci, Toronto, ON M5S 3E4, Canada
来源：
CANADIAN METALLURGICAL QUARTERLY | 1999年 / 38卷 / 04期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1016/S0008-4433(99)00011-7
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The thermodynamic properties of the Fe-Co-S ternary system were determined by equilibrating the system with a known sulphur pressure established by using a gas mixture of H2S/H-2 at 1473, 1548 and 1623 K. The iso-activity contours for Fe and Co were established by application of the Gibbs Duhem equation using Schuhmann's method for ternary systems. For this purpose a computer program was used to calculate the activities of iron and cobalt. The cobalt activity coefficients in dilute solutions of cobalt in the iron-cobalt-sulphur system, which are of industrial interest, were determined. From the experimental data, the partial heats of solution for iron, cobalt, and sulphur and the integral heats of solution for the Fe-Co-S ternary systems were derived. (C) 2000 Canadian Institute of Mining and Metallurgy. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：227 / 236
页数：10
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