基于Miedema模型和Tanaka关系，提出了计算MIVM模型参数的新方法，开辟了计算多元合金熔体活度系数的新途径。分别计算了Ti-6Al-4V和Ti-5Al-2.5Sn在不同温度下组元活度系数的变化，计算了Zn-Sn-Pb-Cd-Bi合金活度系数与组元配比的关系，并与Wilson模型比较，计算值与实验值吻合较好。
Based on the Miedema model and Tanaka equation, a new method for calculating the parameter of the Molecular Interaction Volume Model(MIVM) has been developed to get the activity coefficient of multi-component liquid alloys. The predicted activity coefficients of components in Ti-6Al-4V, Ti-5Al-2.5Sn and Zn-Sn-Pb-Cd-Bi alloys present a good agreement with the experimental data.
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