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基于声发射非线性模型的损伤状态转变的评估

王宏伟 骆红云 韩志远 钟群鹏

王宏伟, 骆红云, 韩志远, 等 . 基于声发射非线性模型的损伤状态转变的评估[J]. 北京航空航天大学学报, 2010, 36(10): 1225-1228.
引用本文: 王宏伟, 骆红云, 韩志远, 等 . 基于声发射非线性模型的损伤状态转变的评估[J]. 北京航空航天大学学报, 2010, 36(10): 1225-1228.
Wang Hongwei, Luo Hongyun, Han Zhiyuan, et al. Change estimation of damage with acoustic emission nonlinear behavior model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(10): 1225-1228. (in Chinese)
Citation: Wang Hongwei, Luo Hongyun, Han Zhiyuan, et al. Change estimation of damage with acoustic emission nonlinear behavior model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(10): 1225-1228. (in Chinese)

基于声发射非线性模型的损伤状态转变的评估

详细信息
    作者简介:

    王宏伟(1978-),女,山西长子人,博士生,wanghongwei-1978@163.com.

  • 中图分类号: O 341

Change estimation of damage with acoustic emission nonlinear behavior model

  • 摘要: 建立了声发射非线性模型来监测和评估16Mn钢试样在拉伸过程中的损伤状态的转变.首先,建立声发射突变模型,判断试样在拉伸过程中从弹性损伤状态转变为屈服损伤状态可能的时间点.然后,根据声发射参数的特点和突变量的变化,建立声发射突变复检模型,从而得到试样在拉伸过程中从弹性损伤状态转变为屈服损伤状态确切的时间点.试验结果表明:应用声发射非线性模型可以快速、预先预测出材料损伤状态的转变.

     

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出版历程
  • 收稿日期:  2009-09-17
  • 网络出版日期:  2010-10-31

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