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

页数：13

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