Strength of CFRP joints reinforced with adhesive layers

被引：17
|
作者：
Morgado, M. A. [1 ]
Carbas, R. J. C. [1 ,2 ]
dos Santos, D. G. [1 ]
da Silva, L. F. M. [1 ]
机构：
[1] Univ Porto, Fac Engn, Dept Mech Engn, Porto, Portugal
[2] Univ Porto, Fac Engn, Inst Sci & Innovat Mech & Ind Engn INEGI, Porto, Portugal
来源：
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES | 2020年 / 97卷 / 97期
关键词：
CFRP; Adhesive bonding; Reinforcements; Composite materials; Delamination; Mechanical; Impact; Numerical; BONDED JOINTS; LAP JOINTS; SINGLE;
D O I：
10.1016/j.ijadhadh.2019.102475
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Usage of composite materials like Fibre Reinforced Plastics for structural applications has been increasing in recent years. Delamination of adhesively bonded composite joints is a concern as it causes premature failure of the bond. A technique to reduce delamination in CFRP single lap joints (SLJs) by inserting additional adhesive layers in the adherends is analyzed for quasi-static and impact conditions, with satisfactory results. For quasi-static conditions failure by delamination is avoided, while for a low velocity impact scenario its onset is delayed. In both cases the failure load is increased. A numerical model using finite element analysis is developed in ABAQUS to study the performance of the best configuration. Experimental and numerical results are compared.
引用
收藏
页数：9
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