Viscoelastic Analysis of Adhesively Bonded Joints

[+] Author and Article Information
F. Delale, F. Erdogan

Department of Mechanical Engineering and Mechanics, Lehigh University, Bethlehem, Pa. 18015

J. Appl. Mech 48(2), 331-338 (Jun 01, 1981) (8 pages) doi:10.1115/1.3157618 History: Received July 01, 1980; Revised October 01, 1980; Online July 21, 2009


In this paper an adhesively bonded lap joint is analyzed by assuming that the adherends are elastic and the adhesive is linearly viscoelastic. After formulating the general problem a specific example for two identical adherends bonded through a three parameter viscoelastic solid adhesive is considered. The standard Laplace transform technique is used to solve the problem. The stress distribution in the adhesive layer is calculated for three different external loads namely, membrane loading, bending, and transverse shear loading. The results indicate that the peak value of the normal stress in the adhesive is not only consistently higher than the corresponding shear stress but also decays slower.

Copyright © 1981 by ASME
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