Abstract
AbstractAdhesive overlapped joints are widely used in up-to-date aviation and aerospace engineering. Models for joint stress state are based on definite hypothesis about stress distribution and translations in adhesive film and load-carrying layers. Known papers generally use hypothesis about uniform shear and normal stress distribution in adhesive film. Mathematica models based on mentioned hypothesis describe joint stress state in regular zone far from adhesive film edges. But near edge of joint adhesive film withstandss complicated stress state which depends on many different factors. Analysis of stress near zone of joint is conducted and influence of such technological factors as fillets and adhesive spew-fillet on adhesive stress is shown. Comparison of analytical calculations with finite-element methods modelling is done. It is shown that presence of fillet and spew-fillet reduces maximum adhesive stress and as a result increases structural strength.KeywordsAdhesive jointsAnalytical modelFinite elements method
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