Bismuth-indium system: thermodynamic properties of liquid alloys

被引：9
作者：
Kulikova, T. [1 ]
Mayorova, A. [1 ]
Shubin, A. [1 ]
Bykov, V. [1 ]
Shunyaev, K. [1 ]
机构：
[1] UB RAS, Inst Met, Ekaterinburg 620016, Russia
来源：
KOVOVE MATERIALY-METALLIC MATERIALS | 2015年 / 53卷 / 03期
关键词：
Bi-In system; melt; enthalpy of mixing; activity; Gibbs energy; associates; ASSOCIATION MODEL; MELTS;
D O I：
10.4149/km_2015_3_133
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The thermodynamic activities, the excess integral and partial Gibbs energies, and the enthalpy of mixing for Bi-In melts were studied. For investigation, the methodology of thermodynamic modeling (TM) including the models of an ideal solution (IS) and an ideal solution of interaction products (ISIP) was applied. The modeling was performed for the pressure of 0.1 MPa in an argon atmosphere. The temperature and concentration ranges of study comply with liquid phase region on the Bi-In phase diagram. It has been established the thermodynamic properties of Bi-In melts show negative deviations from Raoult's law. The mixing enthalpy minimum was observed at x(In) = 0.55 and Delta H-E = -1.33 kJ mol(-1). In the present study, the lowest values of the excess integral Gibbs free energy were determined as -1.80 and -1.99 kJ mol (-1) at the temperatures 600 and 873 K, respectively.
引用
收藏
页码：133 / 137
页数：5
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