Analysis and optimization of hybrid double lap aluminum-GFRP joints

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41 Citazioni (Scopus)


In this paper a systematic investigation of the mechanical performance of hybrid double-lap Al-GFRP bonded-bolted joints, has been carried out by using experimental analyses and numerical simulations. In order to detect the optimal geometric configuration, as well as to highlight the contribution of adhesive and bolts, the results relative to hybrid joints have been compared with those of simply adhesively bonded and simply bolted joints. The experimental and numerical results have shown that by using the minimum overlap length provided from theory, the bolt leads to a significant decreasing of both the maximum shear and the maximum peel stresses in the adhesive layer and, consequently, the hybrid joint exhibits a static tensile strength that is in practice equal to the sum of the relative values corresponding to the simply bonded joint and the simply bolted joint. Moreover, the so configured hybrid joint, exhibits an energy absorption and a fatigue strength higher than twice those of the simply adhesively bonded joint that are, in turn, higher than those of the simply bolted joint. © 2014 Elsevier Ltd.
Lingua originaleEnglish
pagine (da-a)682-693
Numero di pagine12
RivistaComposite Structures
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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