AN ANALYSIS OF THE CR-FE-MO-C SYSTEM AND MODIFICATION OF THERMODYNAMIC PARAMETERS

被引:26
作者
QIU, C
机构
[1] Division of Physical Metallurgy, Royal Institute of Technology
关键词
PHASE DIAGRAM; THERMODYNAMICS; CARBIDES; TERNARY CR-MO-C SYSTEM; QUATERNARY CR-FE-MO-C SYSTEM;
D O I
10.2355/isijinternational.32.1117
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
The thermodynamic properties of the Cr-Mo-C and Cr-Fe-Mo-C systems are analysed, and the parameters in the thermodynamic models of the two systems are revised in order to introduce a recent modification of the description of the Cr-C system. More experimental information on the Cr-Fe-Mo-C system is taken into account in the present assessment, which was ignored in previous ones. Particular attention is paid to the thermodynamic properties at temperatures below 1 273 K. A new set of parameter values describing the Gibbs energy of various phases is obtained. A number of calculated sections of the Cr-Mo-C and the Cr-Fe-Mo-C phase diagrams are presented and compared with experimental information. The present calculation shows better agreement with experimental results than the previous assessments.
引用
收藏
页码:1117 / 1127
页数:11
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