建立了用于测算镍基单晶高温合金枝晶典型区域相成分的最优化数学模型.根据电子探针对枝晶典型区域成分的测定结果,运用BFGS拟Newton法及CONSTR约束优化算法,可以计算枝晶各典型区域中γ和γ'相成分.以镍基单晶合金CMSX 2和CMSX 4为对象,对优化测算结果进行了分析,证实了该方法的可行性.
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