Mechanical behaviour and failure modes of metal to composite adhesive joints for nautical applications

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35 Citazioni (Scopus)


In this paper, the influence of several parameterson the mechanical behaviour and failure modes of hybridbonded joints aluminium/composite was investigated. Particularly,the effects of metallic surface condition, adhesiveproperties and thickness on single-lap joint resistance wereanalysed. To these aims, two adhesives were used and, foreach adhesive, two different adhesive thicknesses (0.5 and1.5 mm) have been investigated. Furthermore, two sets ofjoints for each adhesive kind and thickness were investigated:the former was obtained using aluminium blankswhich were previously mechanically treated with sandpaper(P60) and the latter using aluminium treated with sandpaperand with presence of fillets in the ends of the overlap area.In order to improve the adhesion strength betweenpolymeric adhesive and aluminium, two metal surfacetreatments have also been performed using a silanecoupling agent, γ-glycidoxypropyltrimethoxysilane (γ-GPS). The mechanical performances and failure modeswere found to be significantly increased using the chemicalpre-treatments with γ-GPS silane coupling agent unlikeother parameters investigated. As regard the thickness ofthe adhesive layer, the better value is found to be equal to0.5 mm, for both adhesives investigated.
Lingua originaleEnglish
pagine (da-a)593­-600
Numero di pagine8
Stato di pubblicazionePublished - 2011

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.1700.1712???
  • ???subjectarea.asjc.2200.2210???
  • ???subjectarea.asjc.1700.1706???
  • ???subjectarea.asjc.2200.2209???


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