主管单位:中华人民共和国工业和信息化部
主办单位:西北工业大学  中国航空学会
地       址:西北工业大学友谊校区航空楼
含低速冲击损伤层合板的压缩破坏研究
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西北工业大学 航空学院,西北工业大学 航空学院,西北工业大学 航空学院

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Study on Compression Failure of Laminate with Low-velocity Impact Damage
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School of Aeronautics, Northewestern Polytechnical Universtity,,School of Aeronautics, Northewestern Polytechnical Universtity,,School of Aeronautics, Northewestern Polytechnical Universtity,

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    层合板低速冲击后的压缩破坏研究对复合材料结构设计具有重要的指导意义。按照ASTM D 7136、7137试验标准对CCF300/5228层合板进行了低速冲击和压缩试验。基于累积损伤理论,以低速冲击数值仿真得到的损伤作为初始损伤,把应变失效准则和材料性能退化方法相结合,建立了含低速冲击损伤层合板的压缩破坏分析模型。使用该模型研究了CCF300/5228层合板的损伤演化过程和剩余压缩强度。结果表明,该模型能够较好地解释试验过程中的损伤现象,并预测含冲击损伤层合板的剩余压缩强度,损伤扩展和破坏模式与试验结果一致性好。

    Abstract:

    The research of composite laminates after low-velocity impact compressive failure has important significance in composite structure design. According to the ASTM D 7136 and 7137 test standard, the low-velocity impact test and compressive test of CCF300/5228 laminate were conducted. Basing on the cumulative damage theory, a model which setted the damages obtained from the low-velocity impact numerical simulation as the initial damages was established to explore compression failure of composite laminates with low-velocity impact damage. In this model , the strain failure criterion was applied and the degradation of the material properties was considered. Finally, the damage evolution and residual compressive strength of CCF300/5228 laminates were studied by this model. The results showed that, this model can explain the failure phenomenon well during the experiment and predict the residual compressive strength of laminates accurately. And it’s proved that, the damage propagation and failure mode from the model agreed with the experimental results well.

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林淡,张博平,江兴亨.含低速冲击损伤层合板的压缩破坏研究[J].航空工程进展,2013,4(4):503-508

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  • 收稿日期:2012-11-30
  • 最后修改日期:2012-12-29
  • 录用日期:2013-01-07
  • 在线发布日期: 2014-03-03
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