Model for the DSC thermograms of the melting of ideal binary solutions

被引：19

作者：

Dumas, Jean Pierre ^{[1
]}

Gibout, Stephane ^{[1
]}

Cezac, Pierre ^{[1
]}

Franquet, Erwin ^{[1
]}

Haillot, Didier ^{[1
]}

机构：

[1] Univ Pau & Pays Adour, Lab Therm Energet & Proc, ENSGTI, F-64075 Pau, France

来源：

THERMOCHIMICA ACTA | 2013年 / 571卷

关键词：

Binary solutions; Solid solutions; DSC; Melting; PCM; Heat transfers; Models; DIFFERENTIAL SCANNING CALORIMETRY; PHASE-CHANGE MATERIALS; TRANSITION TEMPERATURE; HEAT-TRANSFER; SHAPE-FACTORS; EMULSIONS; DROPLETS; STORAGE; CURVES;

D O I：

10.1016/j.tca.2013.08.005

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper, a model is developed in order to determine the melting thermogram of a binary mixture, presenting a solid solution. Considering the case of an ideal solution, whose enthalpy function is analytically derived, we highlight the large differences existing between the thermogram and the derivative of the enthalpy function. The influence of the heating rates and the mass of the sample are analyzed for different concentrations. Finally, in the case of a thermodynamical equilibrium, we describe how to construct the phase diagram of the solution (liquidus and solidus temperatures, total latent heat). (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：64 / 76

页数：13

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