Solubility Product for CuS and Cu2S in Iron

被引：4
|
作者：
Qi Hai-quan [1 ,2 ]
Yong Qi-long [2 ]
机构：
[1] Kunming Univ Sci & Technol, Kunming 650093, Yunnan, Peoples R China
[2] Cent Iron & Steel Res Inst, Beijing 100081, Peoples R China
来源：
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2010年 / 17卷 / 08期
关键词：
CuS; Cu2S; solubility product; ferrite; austenite; LOW-CARBON STEEL; COPPER SULFIDE;
D O I：
10.1016/S1006-706X(10)60125-2
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The solubility product formulae of CuS and Cu2S in ferrite and in austenite have been obtained via thermodynamic method, according to the formation energy of CuS and Cu2S and the solubility formulae of elements Cu and S in ferrite and in austenite. By comparing the solubility products for CuS and Cu2S in iron, it is found that Cu2S instead of CuS should be precipitated in iron due to competitative precipitation, in the view of thermodynamics. The formulae of CuS and Cu2S deduced from thermodynamic method would play an important role in related theoretical research and practical production.
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页码：36 / 38
页数：3
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