NDLI: The effect of viscoelasticity on creep behavior of double-lap adhesively bonded joints

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The effect of viscoelasticity on creep behavior of double-lap adhesively bonded joints

Content Provider	Scilit
Author	Reza, Arash Shishesaz, Mohammad Naderan-Tahan, Khosro
Copyright Year	2014
Description	The effect of viscoelasticity of epoxy adhesive on creep behavior in the adhesive layer of a double-lap joint is studied in this paper. The joint is comprised of three elastic single isotropic adherend layers joined by an epoxy adhesive that is under shear loading. Prony series is used to modeling the relaxation modulus of epoxy adhesive. The differential equation is derived in Laplace domain, and numerical inversion from the Laplace domain to the time domain is achieved by the Fixed Talbot method. Results show that for an impulse load of 100N, maximum shear stress in the adhesive layer is reduced to 38% of its initial value after almost 12 days and 79% of its initial value over a very long time. The rate of increase in tensile load P has a direct effect on peak shear stress developed in the adhesive layer and holding P0 as a constant, increasing t p will lower the induced peak shear stress in the joint. Also, an increase in the thickness of the adhesive layer reduced the induced peak shear stress and strain in the joint.
Related Links	http://www.scielo.br/scielo.php?script=sci_pdf&pid=S1679-78252014000100003&lng=en&nrm=iso&tlng=en
Ending Page	50
Page Count	16
Starting Page	35
ISSN	16797817
e-ISSN	16797825
DOI	10.1590/s1679-78252014000100003
Journal	Latin American Journal of Solids and Structures
Issue Number	1
Volume Number	11
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2014-01-01
Access Restriction	Open
Subject Keyword	Latin American Journal of Solids and Structures Inverse Laplace Transform
Content Type	Text
Resource Type	Article
Subject	Civil and Structural Engineering Ocean Engineering Mechanics of Materials Automotive Engineering Materials Science Mechanical Engineering Aerospace Engineering

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