Thermodynamic Properties of Liquid Fe-Sc Alloys

被引：4
|
作者：
Sudavtsova, V. S. [1 ]
Shevchenko, M. O. [1 ]
Berezutskii, V. V. [1 ]
Ivanov, M. I. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, Kiev, Ukraine
来源：
POWDER METALLURGY AND METAL CERAMICS | 2013年 / 52卷 / 7-8期
关键词：
calorimetry; Fe-Sc alloys; thermodynamic properties; ENTHALPIES; CO;
D O I：
10.1007/s11106-013-9547-1
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The partial and integral mixing enthalpies of Fe-Sc melts are determined by calorimetry at 1873 K over the entire composition range. It is established that the minimum enthalpy of mixing is -12.4 +/- 0.6 at x (Sc) = 0.46 and the first partial enthalpies of mixing are and (kJ/mol). Thermodynamic properties of the Fe-Sc melts are calculated with the model of ideal associated solutions. It is found that the activities of components have negative deviations from parameters of ideal solutions.
引用
收藏
页码：456 / 464
页数：9
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