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冲击位置对斜搭接接头冲击后拉伸性能的影响

聂恒昌 徐吉峰 关志东 黎增山 冀赵杰 谭日明

聂恒昌, 徐吉峰, 关志东, 等 . 冲击位置对斜搭接接头冲击后拉伸性能的影响[J]. 北京航空航天大学学报, 2016, 42(11): 2306-2320. doi: 10.13700/j.bh.1001-5965.2015.0694
引用本文: 聂恒昌, 徐吉峰, 关志东, 等 . 冲击位置对斜搭接接头冲击后拉伸性能的影响[J]. 北京航空航天大学学报, 2016, 42(11): 2306-2320. doi: 10.13700/j.bh.1001-5965.2015.0694
NIE Hengchang, XU Jifeng, GUAN Zhidong, et al. Tensile behavior of scarf joints after impact in different locations[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(11): 2306-2320. doi: 10.13700/j.bh.1001-5965.2015.0694(in Chinese)
Citation: NIE Hengchang, XU Jifeng, GUAN Zhidong, et al. Tensile behavior of scarf joints after impact in different locations[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(11): 2306-2320. doi: 10.13700/j.bh.1001-5965.2015.0694(in Chinese)

冲击位置对斜搭接接头冲击后拉伸性能的影响

doi: 10.13700/j.bh.1001-5965.2015.0694
详细信息
    作者简介:

    聂恒昌,男,博士研究生。主要研究方向:飞机复合材料结构修理。Tel.:010-82338873,E-mail:nhc1991@126.com;关志东,男,博士,教授,博士生导师。主要研究方向:飞机复合材料结构设计。Tel.:010-82338873,E-mail:zdguan@buaa.edu.cn

    通讯作者:

    关志东,Tel.:010-82338873,E-mail:zdguan@buaa.edu.cn

  • 中图分类号: V214.8;TB330.1

Tensile behavior of scarf joints after impact in different locations

  • 摘要: 低速冲击损伤对复合材料胶接结构的力学性能存在威胁。对在搭接区域3个不同位置承受低速冲击的斜搭接接头进行冲击后拉伸试验,并分别建立胶接接头冲击及冲击后拉伸有限元模型。试验结果表明:冲击位置在搭接区尖端背侧,造成的凹坑深度最大,冲击后拉伸强度最低;冲击位置在搭接区中部,凹坑深度最小,冲击后拉伸强度最大;冲击位置在搭接区尖端侧,凹坑深度及冲击后拉伸强度居中。有限元分析结果表明胶层损伤和复合材料纤维损伤的大范围扩展是导致结构失效的主要原因。

     

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出版历程
  • 收稿日期:  2015-10-26
  • 修回日期:  2016-01-15
  • 刊出日期:  2016-11-20

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