Influence of geometrical parameters on the strength of Hybrid CFRP-aluminium tubular adhesive joints

被引：11

作者：

Lavalette, Nicolas P. ^{[1
]}

Bergsma, Otto K. ^{[1
]}

Zarouchas, Dimitrios ^{[1
]}

Benedictus, Rinze ^{[1
]}

机构：

[1] Delft Univ Technol, Fac Aerosp Engn, Dept Aerosp Struct & Mat, Kluyverweg 1, NL-2629 HS Delft, Netherlands

来源：

COMPOSITE STRUCTURES | 2020年 / 240卷

关键词：

Adhesive joints; Tubular joints; Hybrid joints; Ductile adhesives; Cohesive zone modelling; Mechanical testing; BONDED JOINTS; LAP JOINTS; NUMERICAL SIMULATIONS; SINGLE; OPTIMIZATION; THICKNESS; STRESSES; BEHAVIOR;

D O I：

10.1016/j.compstruct.2020.112077

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Tubular adhesive joints, used in truss structures to join pultruded carbon fibre-reinforced polymer members to aluminium nodes, are modelled with varying dimensions. The numerical model uses a Cohesive Zone Modelling formulation with a trapezoidal traction-separation law for the adhesive layer, and experimental tests are carried to validate it. The results showed that the joint strength increases significantly with the bonding area, with a limit on the overlap length above which it stops increasing. This upper limit is affected by the thickness and tapering angle of the adherends, due to their influence on the shear stress distribution along the overlap. On the other hand, the adhesive thickness has only a marginal influence on the joint strength.

引用

页数：11

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