Measurements of Thermodynamic Quantities for Sn&ndash;Zn, In&ndash;Sb Alloys and CdCl<SUB>2</SUB>&ndash;PbCl<SUB>2</SUB>, PbCl<SUB>2</SUB>&ndash;ZnCl<SUB>2</SUB>, Mixtures by Quantitative Thermal Analysis of the Heating Process

DOI Web Site 被引用文献2件 参考文献24件
  • Itagaki Kimio
    Research Institute of Mineral Dressing and Metallurgy, Tohoku University
  • Yazawa Akira
    Research Institute of Mineral Dressing and Metallurgy, Tohoku University

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  • Measurements of Thermodynamic Quantities for Sn–Zn, In–Sb Alloys and CdCl<SUB>2</SUB>–PbCl<SUB>2</SUB>, PbCl<SUB>2</SUB>–ZnCl<SUB>2</SUB>, Mixtures by Quantitative Thermal Analysis of the Heating Process

抄録

The measurements of thermodynamic quantities for tin-zinc and indium-antimony binary alloys and for the cadmium chloride-lead chloride and lead chloride-zinc chloride binary mixtures were carried out by quantitative thermal analysis of the heating process. A double adiabatic wall calorimeter was used as the experimental apparatus.<BR>The conventional cooling process method with a water calorimeter was discussed critically, and it was clarified that the cooling process method could not be employed anymore for nonmetallic materials, owing to the pronounced lack of the temperature uniformity within the specimens. It has been considered that the heating process using an adiabatic calorimeter is of great advantage for attaining the thermal equilibrium in the specimens, and a proper experimental condition was established in the present study.<BR>The obtained results for the thermodynamic quantities agree well with the reliable published data. The free energies of mixing of the lead chloride-zinc chloride binary melts present an anomalous behavior corresponding to the observed anomalies in the other physical Droperties of the melts.

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