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文章根据模糊论和概率断裂力学理论提出估算疲劳寿命的计算公式。并对WK-10挖掘机所用的两种材料斗杆作疲劳失效概率计算,得出与实际相符的结论。
Based on the theory of fuzzy theory and probability fracture mechanics, this paper presents a formula to estimate fatigue life. And the calculation of the fatigue failure probability of the two kinds of material sticks used in WK-10 excavator, the conclusion is obtained.