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采用有限单元法分析了具有微裂纹的表面脆性薄膜对高速工具钢基体的屈服和后继塑性行为的影响，特别研究了基体材料的塑性硬化指数以及裂纹深度对最大塑性应变和塑性区尺寸的影响，同时考察了屈服载荷以及塑性区尺寸随裂纹深度的影响。
The finite element method was used to analyze the effect of microcrack brittle film on the yield and subsequent plastic behavior of high speed tool steel. In particular, the influence of plastic hardening index and crack depth on the maximum plastic strain and plastic zone size were investigated. At the same time, the effects of yield load and the size of plastic zone on the crack depth were investigated.