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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Estimation of the excess entropy of mixing and the excess heat capacity liquid alloys
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Estimation of the excess entropy of mixing and the excess heat capacity liquid alloys

机译：混合过量熵和液态合金过量热的估算

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摘要

A relationship to estimate the composition and temperature dependencies of the excess entropy of mixing, #DELTS#~(XS)(x,T), and the excess heat capacity, #DELTA#C_P~(XS)(x,T), for liquid binary alloys on the basis of experimental enthalpy and mixing data obtained at constant temperature has been introduced. The ability to describe the different shapes of composition dependencies of partial and integral excess entropy of mixing has been demonstrated. For particular examples it has been shown that additional information about heat capacity or excess entropy of mixing (even one experimental value) allows the used parameters to the individual system to be adjusted and a reasonable interpolation and extrapolation of #DELTA#C_P~(XS)(x,T) for a wide composition and temperature range to be obtained.
机译：用于估计混合过量熵＃DELTS＃〜（XS）（x，T）和过量热容＃DELTA＃C_P〜（XS）（x，T）的成分和温度相关性的关系介绍了基于实验焓和在恒定温度下获得的混合数据的液态二元合金。已经证明了描述混合的部分和整体过量熵的成分依存关系的不同形状的能力。对于特定示例，已显示出有关热容量或混合熵（甚至一个实验值）的附加信息，可以调整各个系统的使用参数，并可以合理地对＃DELTA＃C_P〜（XS）进行内插和外推（x，T）以获得宽的组成和温度范围。

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