Integral enthalpy of mixing of the liquid ternary Au-Cu-Sn system

被引：9

作者：

Knott, S. ^{[1
]}

Li, Z. ^{[1
]}

Mikula, A. ^{[1
]}

机构：

[1] Univ Vienna, Inst Inorgan Chem Mat Chem, A-1090 Vienna, Austria

来源：

THERMOCHIMICA ACTA | 2008年 / 470卷 / 1-2期

基金：

奥地利科学基金会;

关键词：

thermodynamic; calorimetry; enthalpy of mixing;

D O I：

10.1016/j.tca.2008.01.014

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The integral enthalpy of mixing of the ternary Au-Cu-Sn has been determined with a Calvet type calorimeter at 6 different cross sections at 1273 K. The substitutional solution model of Redlich-Kister-Muggianu was used for a least square fit of the experimental data in order to get an analytical expression for the integral enthalpy of mixing. The ternary extrapolation models of Kohler, Muggianu and Toop were used to calculate the integral enthalpy of mixing and to compare measured and extrapolated values. Additional calculations of the integral enthalpy of mixing using the Chou model have been performed. With the calculated data, the iso-enthalpy lines have been determined using the Redlich-Kister-Muggianu model. A comparison of the data has been made. (C) 2008 Elsevier B.V All rights reserved.

引用

页码：12 / 17

页数：6

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