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垂直度误差影响复合材料层合板层间应力分析

刘学术 杨宇星 鲍永杰 高航 李汝鹏

刘学术, 杨宇星, 鲍永杰, 高航, 李汝鹏. 垂直度误差影响复合材料层合板层间应力分析[J]. 机械科学与技术, 2018, 37(1): 138-147. doi: 10.13433/j.cnki.1003-8728.2018.0121
引用本文: 刘学术, 杨宇星, 鲍永杰, 高航, 李汝鹏. 垂直度误差影响复合材料层合板层间应力分析[J]. 机械科学与技术, 2018, 37(1): 138-147. doi: 10.13433/j.cnki.1003-8728.2018.0121
Liu Xueshu, Yang Yuxing, Bao Yongjie, Gao Hang, Li Rupeng. Effect of Hole Perpendicularity Error on Inter-laminar Stress of CFRP[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(1): 138-147. doi: 10.13433/j.cnki.1003-8728.2018.0121
Citation: Liu Xueshu, Yang Yuxing, Bao Yongjie, Gao Hang, Li Rupeng. Effect of Hole Perpendicularity Error on Inter-laminar Stress of CFRP[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(1): 138-147. doi: 10.13433/j.cnki.1003-8728.2018.0121

垂直度误差影响复合材料层合板层间应力分析

doi: 10.13433/j.cnki.1003-8728.2018.0121
基金项目: 

国家重点基础研究发展计划项目(2014CB046504)与国家自然科学基金项目(51375068,51475073)资助

详细信息
    作者简介:

    刘学术(1977-),副教授,博士,研究方向为复合材料装配连接、复杂曲面建模,liuxs@dlut.edu.cn

Effect of Hole Perpendicularity Error on Inter-laminar Stress of CFRP

  • 摘要: 采用有限元仿真的方法分析了连接孔垂直度误差对连接区层间应力的影响规律,基于层间失效准则对垂直度误差影响接力学性能进行了预测并试验验证。结果表明:垂直度误差影响螺栓与连接件之间的接触关系,造成连接区应力分布不均匀;螺栓在带有垂直度误差的连接孔中预紧时会发生位姿调整,其中以螺栓杆挤压孔壁为主;层间剪应力随垂直度误差的增加而增大,是造成分层失效的主要原因;适当提高螺栓预紧力有利于缓解垂直度误差带来的不良影响。
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出版历程
  • 收稿日期:  2016-07-11
  • 刊出日期:  2018-01-15

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