Effect of moisture diffusion on stress distributions in adhesive joints
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A two-dimensional finite-element computational procedure is developed for the determination of the strains and stresses in adhesively bonded joints. Penetrant sorption is accounted for by a nonlinear Fickean diffusion model in which the diffusion coefficient is dependent on the penetrant concentration and the dilatational strain. The effect of moisture diffusion and the coupling between moisture concentration and dilational strains on stress distributions in bonded joints is investigated.
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