材料的变幅循环应变疲劳寿命估算

The Estimate of the Range Strain Cycle Fatigue Life of the Materials

分析了金属材料的循环性能、疲劳性能,给出了变幅循环下材料应变疲劳寿命算例,验证了残余压应力对疲劳寿命有益的结论。

This paper analyzes the performance of the cycle of metal materials and fatigue performance, presents the range of materials under cyclic strain fatigue life example, and verifies the conclusion that the residual compressive stress is useful to the fatigue life.