THERMODYNAMIC PROPERTIES OF CE-NI BINARY ALLOYS

被引：5
|
作者：
Ivanov, M. I. [1 ]
Berezutskii, V. V. [1 ]
Shevchenko, M. O. [1 ]
Subotenko, P. M. [1 ]
Kudin, V. G. [1 ]
Sudavtsova, V. S. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, Kiev, Ukraine
来源：
POWDER METALLURGY AND METAL CERAMICS | 2016年 / 54卷 / 9-10期
关键词：
cerium; nickel; thermodynamics; enthalpies; melts; STANDARD ENTHALPIES; SYSTEM; CERIUM; CENI5; CALORIMETRY; PR; ND;
D O I：
10.1007/s11106-016-9752-9
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 mixing enthalpies of liquid Ce-Ni binary alloys (0 < x(Ni) < 0.45 at 1430 K and 0.78 < x(Ni) < 1 at 1820 K) are determined by isoperibol calorimetry. The thermodynamic properties of the liquid Ce-Ni binary alloys are calculated for the entire composition range using the model of ideal associated solutions. The thermodynamic activities of components show negative deviations from the ideal behavior. The mixing enthalpies are characterized by significant exothermic effects. The minimum mixing enthalpy of the melts is -34.8 +/- 0.9 kJ/mol at x(Ni) = 0.66 and 1820 K.
引用
收藏
页码：590 / 598
页数：9
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