根据已知镍基合金成分和'相成分，运用分层宽容多目标优化法，分别计算了相成分及'相含量。优化测算过程的实现是通过建立使杠杆定律等式两端数值差最小和两相共格错配度最小的目标函数，并通过设置'相含量和基体相成分取值范围的约束条件而实现的。验证了该方法的可行性和准确性。
An optimization method was established to predict phase compositions and amounts in two--phase nickel base superalloys. Based on the compositions of alloys and their r phase, r phase compositions and r phase amounts were calculated with the use of the layered multi objective optimization algorithmic approach with tolerance. The optimization process was realized by establishing two relating objective functions and the corresponding constrained conditions. The results verified the feasibility and the accuracy of the present method.
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