Calorimetric Measurements of Liquid Al-Zn Alloys

被引：0
作者：
Adam Dębski
Władysław Gąsior
Katarzyna Szmit
机构：
[1] Polish Academy of Sciences,Institute of Metallurgy and Materials Science
[2] AGH University of Science and Technology,undefined
来源：
Metallurgical and Materials Transactions A | 2016年 / 47卷
关键词：
Excess Gibbs Energy; Integral Enthalpy; Molar Excess Gibbs Energy; Kister Equation; Miedema Model;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The integral molar enthalpies of mixing were determined by the drop calorimetric method for binary AL-Zn liquid solutions and compared with the Miedema model as well as the earlier experimental data. The measurements were conducted at two temperatures: 957 K and 1001 K (684 °C and 728 °C), in the entire concentration range. Based on the experimental calorimetric data of this study as well as those available in the literature and the results of the activity studies, the interaction parameters of the Redlich-Kister equation for the liquid Al-Zn phase were worked out with the use of the least square method. The partial and integral Gibbs energies, entropies and enthalpies were calculated and presented in tables and figures. Additionally, the concentration-concentration partial structure factors for the ideal and real Al-Zn solutions were calculated and graphically presented.
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页码：4933 / 4940
页数：7
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