Numerical analysis of the effect of the presence, number and shape of bonding defect on the shear stresses distribution in an adhesive layer for the single-lap bonded joint; Part 1
2017
Abstract The objective of this study was to analyze by three-dimensional finite element method, the effect of the position, number and shape of the bonding defect on the shear stress distribution in the adhesive layer used to joint two aluminum 2024-T3 plates. Numerical analysis allowed us to deduce that the bonding defect presence has a negative effect on the value of the shear stresses in the adhesive layer and therefore the durability of the assembly. Whatever the size of the defect, the maximum stresses are always localized at the adhesive edge. If the overlap length is important, the effect of defect on joint strength is lower.
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