从原子分数及晶胞原子数的角度导出FCC,BCC及HCP结构两相合金中元素分配比和分配系数.通过对上述3种典型合金相结构的9种组合计算发现,任意两相之间存在一致的元素分配比和元素分配系数;两相各自的晶胞数及其比值与合金及其组成相成分之间存在特征关系;采用合金元素分配系数法算得的合金相成分与其观测值或采用统计回归法算得的相应值吻合程度较好.
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