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本文对金属材料应变疲劳性能参数估算方法进行了简单回顾。收集了126种金属材料的静力性能参数和应变疲劳性能参数,以Manson-Coffin公式为基础,统计分析了金属材料的静力性能参数和Manson-Coffin公式参数之间的关系,给出一种基于强度极限的疲劳参数估算新方法,并与现有几种方法进行对比分析,结果表明:本文给出的参数估计结果是可以接受的。
This article briefly reviews the method for estimating the strain fatigue performance of metallic materials. Based on the Manson-Coffin formula, the static parameters and strain fatigue properties of 126 metallic materials were collected. The relationship between the static performance parameters of metal materials and the parameters of Manson-Coffin formula was statistically analyzed. Based on the strength limit, a new method of fatigue parameter estimation is proposed and compared with several existing methods. The results show that the parameter estimation results presented in this paper are acceptable.