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

页数：9

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