Effect of adhesive thickness and overlap on the behavior of composite single-lap joints. Issue 11 (3rd June 2021)

• Record Type: Journal Article
• Authors: Fernández-Cañadas, Lorena M.; Ivañez, Ines; Sanchez-Saez, Sonia; Barbero, Ever J.
• Is Part Of: Mechanics of advanced materials and structures. Volume 28:Issue 11(2021)
• Page Start: 1111
• Page End: 1120
• Publication Date: 2021-06-03
• Subjects: Adhesive thickness -- overlap length -- cohesive zone model -- finite element model -- experimental test; Composite materials -- Mechanical properties -- Periodicals; Composite construction -- Periodicals; 620.118
• DOI: 10.1080/15376494.2019.1639086
• Languages: English
• ISSNs: 1537-6494

Abstract

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.