Non-linear analysis of composite parts jointed with embedded adhesive under tensile load

Abstract

In this study, the composite parts subjected to tensile load were combined with a double-acting adhesive connection and analyzed using the 3D finite element method (FEM). The joint design is important to ensure that the joint is durable, does not take up too much space and has a long service life. In the analysis, carbon / epoxy (AS4 / 3501-6) composite parts with different orientation angles were used and DP410 was used as adhesive. Models for numerical analysis were created using ANSYS 14.5 package program. Finite element analyzes were performed to determine the damage loads. In general, because the damages occur in the adhesive region, the stresses in all directions on the adhesive, shear stresses, von-Mises stress and peel stresses were obtained at the specified failure loads. As a result, the effects of orientation angles, overlap dimensions of the bonded area and adhesive layer were investigated. The most effective parameters were determined for the composite parts joined with embedded double-acting adhesive. Furthermore, it is stated that embedded adhesive connection is important for industrial applications.