E3S Web Conf.
Volume 328, 2021International Conference on Science and Technology (ICST 2021)
|Number of page(s)||5|
|Section||Mechanical, Computational & Simulation, Heat Treatment, Bio Composite|
|Published online||06 December 2021|
Effect of Lap Joint Width to the Shear and Peel Stress Distribution of Bi-Adhesive
Departemnt of Mechanical Enginerring , Universitas Khairun, Ternate, Indonesia
* Corresponding author: firstname.lastname@example.org
A single lap joint is one of the most popular types of adhesive joints. This joint is very easy to apply and gives satisfactory results. However, there is an extensive shear stress distribution at both ends in a single lap joint and shallow in the middle. In this research, the performance test of the bi-adhesive with different joint widths was carried out. We modelled with 2D FEM consisting of adherent aluminum, two adhesives DP490 and ESP110 and then performed a static test to obtain shear and peel stress distribution. The results presented that using a bi-adhesive improved the shear stress distribution compared to a single adhesive individually. By adjusting the length ratio of each adhesive, the optimum conditions will be obtained. The peak stress will decrease, and the stress distribution will be better. In addition, the wider the lap joint, the stress distribution will be more evenly distributed. The peak stresses at the ends and in the middle of the joint are getting smaller in both the single adhesive individually and the bi-adhesive. This result is a recommendation for the user to increase the strength of the adhesive joint.
Key words: Adhesive / adhesive joint / FEM simulation / shear stress / distribution
© The Authors, published by EDP Sciences, 2021
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