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Effect of adhesive thickness and overlap on the behaviour of composite single-lap joints

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URI: https://hdl.handle.net/10016/32571
ISSN: 1537-6494
DOI: https://doi.org/10.1080/15376494.2019.1639086
UXXI: AR/0000026113
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Thickness_MAMS_2021_ps.pdf (1.62 MB)
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2021-01
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Taylor & Francis
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Abstract
The effect of adhesive thickness and adherent overlap on behavior of composite single-lap joints (SLJ) under tensile load is studied by using a 3D finite-element model. A bilinear Cohesive Zone Model (CZM) law is used to represent the adhesive behavior and its parameters are determined as a function of adhesive thickness by carrying out Double Cantilever Beam and End-Notched Flexure tests. The performance of SLJ is defined by peak load, maximum shear, and peel stresses. For the range of adhesive thicknesses considered, both maximum shear and peel stresses decrease with increasing adhesive thickness, while they increase with increasing overlap length.
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Adhesive thickness, Overlap length, Cohesive zone model, Finite element model, Experimental test
Bibliographic citation
Fernández-Cañadas, L. M., Ivañez, I., Sanchez-Saez, S. & Barbero, E. J. (2021). Effect of adhesive thickness and overlap on the behavior of composite single-lap joints. Mechanics of Advanced Materials and Structures, 28(11), 1111–1120.
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