Prediction of Permanent Indentation Depth of Laminate Subjected to Low-Velocity Impact

刘德博; 田甜; 关志东

doi:10.16080/j.issn1671-833x.2011.19.018

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Prediction of Permanent Indentation Depth of Laminate Subjected to Low-Velocity Impact

更新时间：2026-04-23

- Prediction of Permanent Indentation Depth of Laminate Subjected to Low-Velocity Impact
- Aeronautical Manufacturing Technology Vol. 54, Issue 19, Pages: 87-90(2011)
- 作者机构：
  
  北京航空航天大学航空科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2011.19.018
  CLC：
- Published：2011
- 稿件说明：
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刘德博，田甜，关志东. 复合材料低速冲击永久凹坑深度预测方法[J]. 航空制造技术, 2011, 54(19): 87-90.

刘德博, 田甜, 关志东. Prediction of Permanent Indentation Depth of Laminate Subjected to Low-Velocity Impact[J]. Aeronautical Manufacturing Technology, 2011, 54(19): 87-90.
刘德博，田甜，关志东. 复合材料低速冲击永久凹坑深度预测方法[J]. 航空制造技术, 2011, 54(19): 87-90. DOI： 10.16080/j.issn1671-833x.2011.19.018.

刘德博, 田甜, 关志东. Prediction of Permanent Indentation Depth of Laminate Subjected to Low-Velocity Impact[J]. Aeronautical Manufacturing Technology, 2011, 54(19): 87-90. DOI： 10.16080/j.issn1671-833x.2011.19.018.

摘要

基于赫兹接触定律，建立了复合材料层板低速冲击模型，在此基础上提出了复合材料层板冲击后永久凹坑的理论计算方法。通过对 T700/5428 和T300/5428 两种材料层板低速冲击永久凹坑计算结果与试验结果的对比，证实了这种方法在较小冲击损伤情况下的可行性与有效性。通过这种方法，可以为复合材料冲击性能的预测提供一种参考。

Abstract

A method is presented to calculate the depth of the permanent indentation of laminates after low-velocity impact. It is based on the Hertzian contact law

and uses the finite element simulation results of the low-velocity impact. Two typical materials

T700/5428 and T300/5428

are analyzed and a comparison of the contact force history and permanent indentation between the calculations and impact test results is given which shows the feasibility and effectiveness of this method in the case of small damage. The method can provide a reference to predict the performance of the composite.

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