Mechanical characteristics of composite honeycomb sandwich structures under oblique impact

被引：0
|
作者：
Yuechen Duan [1 ]
Zhen Cui [1 ]
Xin Xie [1 ]
Ying Tie [1 ]
Ting Zou [2 ]
Tingting Wang [1 ]
机构：
[1] School of Mechanical and Power Engineering, Zhengzhou University
[2] Department of Mechanical Engineering, Memorial University of Newfoundland
来源：
Theoretical & Applied Mechanics Letters | 2022年 / 12卷 / 05期
关键词：
D O I：
暂无
中图分类号：
O342 [结构力学];
学科分类号：
080102 ;
摘要：
Carbon fiber reinforced polymer(CFRP) and CFRP-based composite honeycomb sandwich structures are particularly sensitive to impact. The mechanical characteristics of composite honeycomb sandwich structures under oblique impact are studied by numerical simulation and experiment. The oblique impact model is established, and the reliability of the model is verified by the oblique impact test. To further analyze the influence of structural parameters on energy absorption under oblique impact, the influence of impact angle, face sheet thickness and wall thickness of the honeycomb is numerically studied. The results show that the impact angle has an important effect on energy distribution. The structural parameters also have an effect on the peak contact force, contact time, and energy absorption, and the effect is different from normal impact due to the presence of frictional dissipation energy. Compared with normal impact, the debonding of oblique impact will be reduced, but the buckling range of the honeycomb core will be expanded.
引用
收藏
页码：359 / 370
页数：12
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