Abstract
Stress distributions in adhesive-rivets combination joints subjected static bending moments are calculated using three-dimensional finite-element calculations. The stress propagation and stress distribution subjected to impact bending moments are also calculated using three-dimensional FEM calculations. In the FEM calculations, the effects of number, position and diameter of rivets, and Young’s modulus of the rivet on the stress distributions at the adhesive interface are examined from fail-safe design standpoints. From the FEM results, the maximum value of peel stress decreases as the position of rivets in the axial direction is decreased and the position of rivets in the width direction increases in the joints with two and four rivets. It is also found that the results on the stress distributions in the joints under the static bending moments show the same tendency of the joints under the impact in-plane bending moments. Concerning the effect of Young’s modulus of the rivet, it is not seen on the peel stress under the static in-plane bending moments. For the verification of the FEM calculations, the experiments were carried out to measure the strain response under both static and impact load conditions. Fairly good agreements are observed between the FEM calculations and the measured results.
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