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基于加速系数不变原则的失效机理一致性判别

奚文骏 王浩伟 王瑞奇

奚文骏, 王浩伟, 王瑞奇等 . 基于加速系数不变原则的失效机理一致性判别[J]. 北京航空航天大学学报, 2015, 41(12): 2198-2204. doi: 10.13700/j.bh.1001-5965.2014.0815
引用本文: 奚文骏, 王浩伟, 王瑞奇等 . 基于加速系数不变原则的失效机理一致性判别[J]. 北京航空航天大学学报, 2015, 41(12): 2198-2204. doi: 10.13700/j.bh.1001-5965.2014.0815
XI Wenjun, WANG Haowei, WANG Ruiqiet al. Failure mechanism consistency identification based on acceleration coefficient constant principle[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(12): 2198-2204. doi: 10.13700/j.bh.1001-5965.2014.0815(in Chinese)
Citation: XI Wenjun, WANG Haowei, WANG Ruiqiet al. Failure mechanism consistency identification based on acceleration coefficient constant principle[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(12): 2198-2204. doi: 10.13700/j.bh.1001-5965.2014.0815(in Chinese)

基于加速系数不变原则的失效机理一致性判别

doi: 10.13700/j.bh.1001-5965.2014.0815
基金项目: 国家自然科学基金(61273058)
详细信息
    作者简介:

    奚文骏(1978-),男,江苏常州人,博士研究生,副教授,usb20@126.com

    通讯作者:

    王浩伟(1981-),男,山东莱州人,博士,讲师,wyg2010123@126.com,主要研究方向为加速试验、贮存延寿.

  • 中图分类号: V216.5;TB114.3

Failure mechanism consistency identification based on acceleration coefficient constant principle

  • 摘要: 为了解决加速退化试验中产品失效机理一致性判别难题,以Gamma退化模型为研究对象,提出了基于加速系数不变原则的失效机理一致性判别方法.在阐明失效机理一致性判别理论依据的基础上,引入加速系数不变原则推导出Gamma过程的参数在不同应力下应满足的变化规律,利用t统计量对参数一致性进行检验以判别失效机理是否一致.通过仿真试验和实例应用验证了所提的方法,研究结论显示所提方法具有良好的工程应用性.

     

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出版历程
  • 收稿日期:  2014-12-24
  • 修回日期:  2015-03-06
  • 网络出版日期:  2015-12-20

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