重庆交通大学学报（自然科学版） ›› 2006, Vol. 25 ›› Issue (1): 145-148.
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郑朝云
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ZHENG Zhao-yun
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摘要： 机械构件的疲劳寿命是其可靠性的一个重要指标．对构件进行疲劳寿命可靠性评定并在此基础上进行优化 设计(以疲劳寿命可靠性为目标函数)是一件值得探讨的工作．本文应用以概率论为基础的可靠性评定方法(以一 典型的汽车构件为例)来分析机械构件的疲劳寿命可靠性，为在机械设计中引入概率论与随机过程等数学方法作 了初步尝试．
关键词: 机械构件, 疲劳寿命, 可靠性评定
Abstract: The fatigue-life of a mechanical part is a very important index for its reliability．Leading an assesment of fatigue-life and reliability，which can be used further as an objective function in an optimal design of the part，is a meaningful thing．In this paper，an assessment of fafigue—life and reliability of a typical automobile part was conducted based on the theory of probability as a new application of pmbabilisfic and stochastic methods in mectmnical design．
Key words: mechanical part, fatigue-life, reliability assesment
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TH114
郑朝云. 机械构件的疲劳寿命可靠性评定[J]. 重庆交通大学学报（自然科学版）, 2006, 25(1): 145-148.
ZHENG Zhao-yun. Assessment of fatigue-life reliability of mechanical parts[J]. Journal of Chongqing Jiaotong University(Natural Science), 2006, 25(1): 145-148.
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