Low velocity impact behaviour of a hybrid carbon-epoxy/cork laminate

被引：8
|
作者：
Silva, F. G. A. [1 ,2 ]
de Moura, M. F. S. F. [2 ]
Magalhaes, A. G. [3 ]
机构：
[1] INEGI Inst Engn Mecan & Gestao Ind, Rua Dr Roberto Frias 400, P-4200465 Oporto, Portugal
[2] Univ Porto, FEUP, DEMec, Rua Dr Roberto Frias, P-4200465 Oporto, Portugal
[3] ISEP, Rua Dr Antonio Bernardino de Almeida 431, P-4200072 Oporto, Portugal
来源：
STRAIN | 2017年 / 53卷 / 06期
关键词：
carbon-epoxy laminates; cohesive zone modelling; cork; hybrid; impact behaviour; COMPOSITES; CORK;
D O I：
10.1111/str.12241
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This work addresses low velocity impact behaviour of monolithic cross-ply carbon-epoxy and hybrid carbon-epoxy/cork laminates. The [0(4), 90(4)](s) layup was selected due to its high mismatch bending between different oriented layers, which is a critical aspect concerning large delamination development at these critical interfaces. The effect of a cork layer inserted at the most critical interface on low velocity impact behaviour of the carbon-epoxy laminate is discussed. Impact response and resulting damage profiles of monolithic and hybrid laminates are compared, and advantages of the hybrid solution are underlined. A numerical analysis including cohesive zone modelling was also performed to assess the damage profiles obtained for the two laminates analysed. The model revealed to be effective for a better comprehension of damage mechanism for both studied cases.
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收藏
页数：9
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