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复合材料板件热分层分析及试验验证

冉治国 燕瑛 李剑峰 从强 陈海峰 匡乃航

冉治国, 燕瑛, 李剑峰, 等 . 复合材料板件热分层分析及试验验证[J]. 北京航空航天大学学报, 2014, 40(6): 819-823. doi: 10.13700/j.bh.1001-5965.2013.0485
引用本文: 冉治国, 燕瑛, 李剑峰, 等 . 复合材料板件热分层分析及试验验证[J]. 北京航空航天大学学报, 2014, 40(6): 819-823. doi: 10.13700/j.bh.1001-5965.2013.0485
Ran Zhiguo, Yan Ying, Li Jianfeng, et al. Thermal stress induced composite laminate delamination analysis and experiment verification[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(6): 819-823. doi: 10.13700/j.bh.1001-5965.2013.0485(in Chinese)
Citation: Ran Zhiguo, Yan Ying, Li Jianfeng, et al. Thermal stress induced composite laminate delamination analysis and experiment verification[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(6): 819-823. doi: 10.13700/j.bh.1001-5965.2013.0485(in Chinese)

复合材料板件热分层分析及试验验证

doi: 10.13700/j.bh.1001-5965.2013.0485
详细信息
    作者简介:

    冉治国(1985- ),男,重庆人,博士生,mfdickl1@163.com.

  • 中图分类号: TB332

Thermal stress induced composite laminate delamination analysis and experiment verification

  • 摘要: 针对飞行器用复合材料层合板件的热应力分层问题,进行了试验与数值模拟方面的研究.采用双线性内聚力单元用于模拟层合复合材料的分层现象;通过二次交互应力准则判断复合材料刚度降阶的起始点;并同时使用幂指数准则作为材料在混合破坏模式下的失效准则.数值模型中单层复合材料的力学性能和热膨胀性能分别由在高温(70℃)、室温(23℃)、低温(-50℃)环境下的相应测试进行确定.各复合材料层合试验件在仪器DIL-402C中经历了相同的温度变化过程,最大温差相差120℃.试验后发现,对于给定铺层的试验件,其两端中间层发生了层间分层.将数值模拟的结果与试验结果进行对比,对比结果表明数值分析与试验结果吻合良好,由此也可证明此分析方法的可行性与正确性.

     

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出版历程
  • 收稿日期:  2013-09-17
  • 网络出版日期:  2014-06-20

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