为实现WC-Co硬质合金的性能预报和微观结构的优化,提出了一种基于“随机法”构建材料二维微观结构模型的方法,该模型包含WC-Co硬质合金微观结构中WC晶粒的平均粒径、形心位置、取向角、长径和短径尺寸以及Co相体积分数等基本参数.采用C++,Matlab和Python语言汇合编程,得到可以直接导人有限元分析软件的模型.结果表明:构建的模型反映了真实的微观结构特征,实现了微观结构的参数化建模.模型的设计参数与实际参数比较吻合,证明了建模方法的可行性和模型的可靠性.%In order to realize the property prediction and microstructure optimization of WC-Co cemented carbides, a model based on "random method", which referred to the construction of two-dimensional microstructure model, was established. Some basic parameters of the microstructure of WC-Co, including average grain diameter, major axis and minor axis, centroid, orientation angle and the Co volume fraction, were considered in the model. C+ + , Matlab, Python are mixed for programming. The model can be obtained in the mixed program, which can be directly applied in the finite element software. The results show that the actual microstructure characteristics of material can be reconstructed, and the parametric model of microstructure is realized. The design parameters agree well with the actual ones, the feasibility of the method and the reliability of the model are proved.
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