基于自由体积理论导出的超额构型熵和超额振动熵,结合Miedema二元合金生成热模型,得出计算二元合金熔体活度的改进计算式,并对强相互作用体系,提出用校正因子来修正活度值的新方法.该公式计算结果与实验值吻合良好.
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