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脱粘尺寸对复合材料单加筋板压缩性能的影响

冀赵杰 关志东 黎增山 薛斌

冀赵杰, 关志东, 黎增山, 等 . 脱粘尺寸对复合材料单加筋板压缩性能的影响[J]. 北京航空航天大学学报, 2016, 42(10): 2169-2179. doi: 10.13700/j.bh.1001-5965.2015.0603
引用本文: 冀赵杰, 关志东, 黎增山, 等 . 脱粘尺寸对复合材料单加筋板压缩性能的影响[J]. 北京航空航天大学学报, 2016, 42(10): 2169-2179. doi: 10.13700/j.bh.1001-5965.2015.0603
JI Zhaojie, GUAN Zhidong, LI Zengshan, et al. Effects of debond size on compressional behavior of single-stiffened composite panels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(10): 2169-2179. doi: 10.13700/j.bh.1001-5965.2015.0603(in Chinese)
Citation: JI Zhaojie, GUAN Zhidong, LI Zengshan, et al. Effects of debond size on compressional behavior of single-stiffened composite panels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(10): 2169-2179. doi: 10.13700/j.bh.1001-5965.2015.0603(in Chinese)

脱粘尺寸对复合材料单加筋板压缩性能的影响

doi: 10.13700/j.bh.1001-5965.2015.0603
详细信息
    作者简介:

    冀赵杰,男,博士研究生。主要研究方向:复合材料损伤容限设计。E-mail:jizhaojie@buaa.edu.cn;关志东,男,博士,教授。主要研究方向:复合材料结构设计、复合材料力学。Tel.:010-82338873,E-mail:D5062010@163.com

    通讯作者:

    关志东,Tel.:010-82338873,E-mail:D5062010@163.com

  • 中图分类号: V257;TB330.1

Effects of debond size on compressional behavior of single-stiffened composite panels

  • 摘要: 为确定脱粘缺陷尺寸对轴压载荷下复合材料单加筋板屈曲和后屈曲特性的影响,对4组含不同尺寸脱粘缺陷的工型加筋板进行了试验和数值模拟研究。试验中通过应变测量和超声C扫描等技术手段对试验件的屈曲及后屈曲过程中的变形和缺陷扩展情况进行了监测。基于ABAQUS软件建立了有限元分析(FEA)模型,采用LaRC03准则对复合材料层内损伤进行判定,采用胶层单元对界面脱粘损伤进行模拟,以几何扰动的形式引入失稳波形,利用FEA模型对试验件的屈曲和后屈曲过程进行了模拟。模拟结果与试验结果吻合较好,根据研究结果对试验件的失效过程和脱粘缺陷扩展机理进行了分析与探讨。研究表明,预制脱粘缺陷尺寸大小对试验件屈曲和后屈曲特性影响较大,对最终破坏模式影响不大。脱粘尺寸的增大会导致试验件承载能力的大幅降低,在复合材料加筋结构损伤容限设计中需要着重考虑。

     

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出版历程
  • 收稿日期:  2015-09-15
  • 网络出版日期:  2016-10-20

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