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基于Weibull分布的疲劳加速腐蚀因子分析

贺小帆 刘文珽 杨洪源

贺小帆, 刘文珽, 杨洪源等 . 基于Weibull分布的疲劳加速腐蚀因子分析[J]. 北京航空航天大学学报, 2007, 33(02): 154-158.
引用本文: 贺小帆, 刘文珽, 杨洪源等 . 基于Weibull分布的疲劳加速腐蚀因子分析[J]. 北京航空航天大学学报, 2007, 33(02): 154-158.
He Xiaofan, Liu Wenting, Yang Hongyuanet al. Acceleration corrosion factor analysis for fatigue critical components based on the Weibull distribution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(02): 154-158. (in Chinese)
Citation: He Xiaofan, Liu Wenting, Yang Hongyuanet al. Acceleration corrosion factor analysis for fatigue critical components based on the Weibull distribution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(02): 154-158. (in Chinese)

基于Weibull分布的疲劳加速腐蚀因子分析

基金项目: ‘凡舟’青年科研基金资助项目(20060501)
详细信息
    作者简介:

    贺小帆 (1976-),男,湖北天门人,讲师, buaa_he@hotmail.com.

  • 中图分类号: V 215.5; TG 171

Acceleration corrosion factor analysis for fatigue critical components based on the Weibull distribution

  • 摘要: 考虑预腐蚀对飞机结构疲劳寿命的影响,建立了疲劳寿命服从Weibull分布的 加速腐蚀因子确定方法.假设预腐蚀疲劳寿命服从Weibull分布,特征寿命随时间呈指数规 律变化,推导得到了以疲劳寿命为腐蚀量的加速腐蚀因子表达式,以及在工程常用的时间范 围内加速腐蚀因子与腐蚀时间无关的结论;进行了相关参数估计,建立了加速腐蚀 因子的估计方法,得到了加速腐蚀因子估计量的近似分布,对其进行了统计分析.

     

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  • 收稿日期:  2006-03-02
  • 网络出版日期:  2007-02-28

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