...rue stress amplitude) f N 2 : 破坏圈数( reversal to failure) ′ σ f : 疲劳强度系数(fatigue strength coefficient) b : 疲劳强度指数( fatigue strength exponent) 由先前提到说, 总应变振幅的值是由弹性应变振幅与塑性应变振幅之 值的总和,...
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其中疲劳强度削减系数 fatigue strength reduction factor
疲劳强度减弱系数法 Fatigue strength weakened coefficient method
因此,在对局部结构进行疲劳强度分析时,应考虑错位对于应力集中系数的影响。
Thus, the stress concentration factor due to the misalignment should be considered in the analysis of fatigue life of the local structures.
本文指出,根据有限寿命疲劳强度安全系数法设计出的零件仍然有可能屈服失效。作者建议用寿命计算法和图解估值法代替现有的安全系数法。
This paper indicates that the components, which are designed according to the safety factor method of fatigue strength for the finite life, can also be yielded.
应力指数法和疲劳强度减弱系数法是进行疲劳容器设计的重要方法。
Stress index method and fatigue strength weakened coefficient method are important methods for designing fatigue vessel.
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