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首页> 外文期刊>Russian Journal of Physical Chemistry >Thermodynamic Properties of Melts of the Binary Ag(Au)-Sm Systems
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Thermodynamic Properties of Melts of the Binary Ag(Au)-Sm Systems

机译:二元Ag(Au)-Sm体系熔体的热力学性质

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摘要

The enthalpies of mixing for liquid alloys of the Ag-Sm system are determined by isoperibolic cal-orimetry at 1450-1506 K in the 0.46 < xSm < 1 range of concentrations. The partial and integral enthalpies of mixing for melts of the Ag-Sm system are obtained over the whole range of concentrations. The activities of components and the entropy of mixing in melts of the Ag-Sm system at 1506 K are calculated using a model of ideal associated solutions (IAS). The partial and integral enthalpies of mixing for melts of the Ag-Sm sys-tem, the activities of the components, and the molar fractions of associates in them are calculated using the IAS model. It is concluded that the thermodynamic activities of components in melts of the Ag (Au)-Sm sys-tem at 1506 K exhibit great negative deviation from the ideal behavior, and the enthalpies of mixing indicate there are considerable exothermal effects.
机译:Ag-Sm系统的液态合金的混合焓是通过等密度比热法在1450-1506 K下在0.46

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