Improvement in Strength of Adhesively Bonded Single-Lap Joints Using Reinforcements

Wang, Yuqi; He, Xiaocong; Xing, Baoying; Deng, Chengjiang

doi:10.1080/00218464.2014.916620

Cited by 9 publications

(4 citation statements)

References 19 publications

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“…e substrates and reinforcements are de ned as aluminium alloy. e adhesive is de ned as structural acrylate adhesive [16]. Boundary conditions and con guration are illustrated in Figure 2.…”

Section: Finite Element Analysis and Resultsmentioning

confidence: 99%

“…ere are many articles focusing the influence of various geometric parameters on singular behavior at the interface point of single-lap joints. In the authors' previous study [16], the effects of stiffness at the end of the overlap on the strength of single-lap joints were studied and reinforcement of the single-lap joint was proposed. e effects of reinforcements with different lengths on the singularity at the interface point of single-lap joints were investigated through Bogy determinant and FEA in this paper.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Reinforcement Length on Singularity of Single‐Lap Joints

Wang

Zhou

2018

Advances in Materials Science and Engineering

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In order to enhance the strength of single-lap joints, the single-lap joints with reinforcements were proposed. e influence of reinforcement length on the singular behavior near to the interface point of single-lap joints was investigated theoretically and numerically. e theoretical strength of singularity point was calculated by Bogy determinant. Stresses along the interface close to the singularity points were calculated with finite element analyses (FEAs). Results showed that the singular stress intensity factor of single-lap joints can be decreased by the reinforcement. However, the singular stress intensity factor of single-lap joints with reinforcements was decreased slightly with increasing reinforcement length.

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“…e substrates and reinforcements are de ned as aluminium alloy. e adhesive is de ned as structural acrylate adhesive [16]. Boundary conditions and con guration are illustrated in Figure 2.…”

Section: Finite Element Analysis and Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of Reinforcement Length on Singularity of Single‐Lap Joints

Wang

Zhou

2018

Advances in Materials Science and Engineering

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“…Wang et al. 6 investigated the adhesively bonded single-lap joints with different substrates and reinforcements experimentally and numerically. Gacoin et al.…”

Section: Introductionmentioning

confidence: 99%

“…5 They found that the failure loads of reinforced adhesive joints were 1.3-22.8% higher than that of unreinforced adhesive. Wang et al 6 investigated the adhesively bonded single-lap joints with different substrates and reinforcements experimentally and numerically. Gacoin et al 7 characterized the damage evolution of adhesively bonded scarf joints depended on substrate materials, adhesive thicknesses and scarf angles.…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation of single-lap adhesive joint of composite laminates

Zhang

Luo

Xiao

et al. 2018

Journal of Reinforced Plastics and Composites

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A universal method is established to research the various possible damage modes of adhesive bond of laminated composites with or without z-pin reinforcements under tensile loads through numerical simulation. A Continuum Damage Mechanic model based on Hashin damage criterion as a user-defined subroutine is developed to simulate the damage of laminates and Z-pins. The Cohesive Zone Model is used to simulate the damage of adhesive damage, interlayer delamination, and Z-pin slipping-out phenomenon. The numerical simulation method is validated for simulating the various damage modes of the usual composite joints through comparing the simulated results and experiments. The research shows that different ply sequences induce different damage modes and ultimate failure loads of composite joints. The ultimate failure load of joint under tension is not affected obviously whether the joints are reinforced with or without z-pins. The reason is that the damage initiation usually locates at the two sides of adhesive zone and z-pins do not react on the reinforcement under tensile load of joint.

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Effect of the structural reinforcement of composite adherends on the mechanical strength of adhesive joints

Hunter

Vizán

Pérez

et al. 2017

Materialwissenschaft Werkst

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This study proposes a novel method to strengthen fiber reinforced plastic (FRP) adherends in a single lap joint (SLJ) by using Kevlar threads. The adherend reinforcement procedure consists of applying a zigzag thread in the fiber glass layers that comprise the adherend in order to subsequently manufacture the adherends using the vacuum infusion method. For this study, three single lap joint configurations were used: Adherends without Kevlar reinforcement (SLJ 1 ), adherends with Kevlar reinforcement with a medium step zigzag (SLJ 2 ) and adherends with Kevlar reinforcement with a small step zigzag (SLJ 3 ). Mechanical tensile tests were carried out to determine the ultimate strength and displacement of the single lap joint configurations studied. Adherends reinforced by Kevlar threads increase the strength and displacement of the single lap joint. However, the influence of the step size of zigzag threads on the adherend does not significantly influence the strength, but significantly affects the maximum displacement of the single lap joint. Keywords: Single lap joint / Kevlar reinforcement / shear strength / fiber reinforced plastic / adherend Schlü sselwö rter: Einfach ü berlappende Bindung / Kevlar-Verstä rkung / Scherfestigkeit / faserverstä rkter Kunststoff / Fü geteil Effect of the structural reinforcement of composite adherends Mat. -wiss. u. Werkstofftech. 2017, 48, 546-555 Effect of the structural reinforcement of composite adherends Mat.-wiss. u. Werkstofftech. 2017, 48, 546-555

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Improvement in Strength of Adhesively Bonded Single-Lap Joints Using Reinforcements

Cited by 9 publications

References 19 publications

Influence of Reinforcement Length on Singularity of Single‐Lap Joints

Influence of Reinforcement Length on Singularity of Single‐Lap Joints

Numerical simulation of single-lap adhesive joint of composite laminates

Effect of the structural reinforcement of composite adherends on the mechanical strength of adhesive joints

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