Abstract
The mechanics of double-lap joints with unidirectional ([016]) and quasi-isotropic ([0/90/-45/45]2S) composite adherends under tensile loading are investigated experimentally using moiré interferometry, numerically with a finite element method and analytically through a one-dimensional closed-form solution. Full-field moiré interferometry was employed to determine in-plane deformations of the edge surface of the joint overlaps. A linear-elastic two-dimensional finite element model was developed for comparison with the experimental results and to provide deformation and stress distributions for the joints. Shear-lag solutions, with and without the inclusion of shear deformations of the adherend, were applied to the prediction of the adhesive shear stress distributions. These stress distributions and mechanics of the joints are discussed in detail using the results obtained from experimental, numerical and theoretical analyses.
Original language | English |
---|---|
Pages (from-to) | 3317-3325 |
Number of pages | 9 |
Journal | International Journal of Solids and Structures |
Volume | 47 |
Issue number | 24 |
DOIs | |
State | Published - 01 12 2010 |
Keywords
- Adherend
- Adhesive
- Double-lap joint
- Laminated composites
- Moiré interferometry
- Stress analysis