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疲劳破坏是当前机械产品的主要失效形式。疲劳设计及寿命估算是工程技术人员十分关心的问题。本文从疲劳断裂的过程出发,概括介绍了现行疲劳强度设计及寿命估算的三种方法。
Fatigue damage is the main form of failure of current mechanical products. Fatigue design and life expectancy are engineering and technical personnel are very concerned about the problem. Based on the process of fatigue fracture, this paper summarizes the current fatigue strength design and life estimation of three methods.