Theoretical analysis on carbon fiber reinforced aluminum laminate under off-center impact

被引：4
|
作者：
Lu, Bingquan [1 ]
Zhang, Junyuan [1 ]
Zheng, Danfeng [1 ]
Xie, Jian [1 ]
Zhang, Le [2 ]
机构：
[1] Jilin Univ, State Key Lab Automobile Simulat & Control, Changchun 130000, Peoples R China
[2] Changchun Automot Test Ctr Co Ltd, Changchun 130011, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2023年 / 248卷
基金：
中国国家自然科学基金;
关键词：
CARALL; Theoretical model; Off-center impact; Dynamic response; LOW-VELOCITY IMPACT; DYNAMIC-RESPONSE; ENERGY-ABSORPTION; METAL; PLATES; DAMAGE; CRASHWORTHINESS; RESISTANCE; BEHAVIORS; COMPOSITE;
D O I：
10.1016/j.ijmecsci.2023.108247
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Carbon fiber reinforced aluminum laminate (CARALL) composed of multi-layer CFRP and aluminum has better toughness and impact resistance than composite laminates due to the existence of metal. This work investigates the energy absorption mechanism and creatively proposes a theoretical analysis model to predict the dynamic response of CARALL under off-center impact. Firstly, based on a simplified ideal rigid-plastic material model, a unified yield criterion and its simplified method for hybrid plastic hinges are proposed. Then, the analytical solution for maximum transverse displacement and impact force of CARALL under off-center impact is estab-lished. Finally, it is verified by the simulation and discussed in detail. The results show that the established theoretical method can predict the structural response under low-velocity impact.
引用
收藏
页数：13
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