Effects of unbalance on the adhesively bonded composites-aluminium joints

Gülteki̇n, Kürşat; Akpinar, Salih; Özel, Adnan; Öner, Gülşah Alar

doi:10.1080/00218464.2015.1136998

Cited by 16 publications

(2 citation statements)

References 23 publications

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“…However, work on SLJs composed of dissimilar materials is quite limited. Gu¨ltekin et al 16 studied the experimental and numerical results of adhesively bonded hybrid single lap joint with different gemotries of lower and upper adherends subject to a four-point bending test. Three different types of SLJs were tested, using a constant thickness AA2024-T3 aluminium alloy plate as lower adherend, and composite material that had different numbers of layers and four different stacking sequences as upper adherend.…”

Section: Introductionmentioning

confidence: 99%

Damage investigation on the adhesively bonded single-lap joints of three-dimensional braided composite and laminates

Liu

Wei

et al. 2017

Journal of Reinforced Plastics and Composites

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Adhesive bonding is usually used to fabricate composite structures that are hard to manufacture in one piece, however, their lightweight advantage is usually impaired by low failure strength. For high performance composite structures, bonding properties of joints dominate the failure performance and commonly are the primary target of structural optimization. Both experimental and numerical studies of failure behavior of single-lap joints with three-dimensional braided composite laminate adherends are presented in this paper. First, tensile failure tests were performed on braid-laminates single-lap joints bonded with epoxy resin. Compared with the laminates–laminates single-lap joints, the failure load of the braid–laminates single-lap joints increased by 18.4%. Then, the Finite Element Method (FEM) coupled with cohesive zone models (CZM), considering different value of overlap length (L), was used to perform the detail stress distribution of the overlap sections of SLJs. Further, damage initialization and crack growth of single-lap joints are analyzed in detail to fully characterize the failure process, and both experimental and numerical results lead to the same conclusion. Lastly, the effect of three-dimensional braided adherends’ braiding angle on braid-laminates single-lap joints’ performance was investigated, which provides suggestions for the design and optimization for adhesive bonded composite structures.

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Section: Introductionmentioning

confidence: 99%

Damage investigation on the adhesively bonded single-lap joints of three-dimensional braided composite and laminates

Liu

Wei

et al. 2017

Journal of Reinforced Plastics and Composites

View full text Add to dashboard Cite

show abstract

“…Continuum mechanics techniques are typically coupled with finite element method (FEM) analyses to extract stresses in the adhesive layer and predict the joint strength [ 8 ]. A few examples of this technique are proposed in recent works [ 9 , 10 ]. The main limitations of this approach appear in the form of stress singularities at the sharp corners, whose stresses do not converge with the reduction in the elements’ size.…”

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confidence: 99%