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Analysis of manufacturing parameters on the shear strength of aluminium adhesive single-lap joints

2010-03-01Artigo científico Acesso restrito
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datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.fosCiências Naturais::Ciências da Computação e da Informação
datacite.subject.fosEngenharia e Tecnologia::Outras Engenharias e Tecnologias
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg12:Produção e Consumo Sustentáveis
dc.contributor.authorPereira, A. M.
dc.contributor.authorFerreira, J. M.
dc.contributor.authorAntunes, F. V.
dc.contributor.authorBártolo, P. J.
dc.date.accessioned2025-12-15T15:03:01Z
dc.date.available2025-12-15T15:03:01Z
dc.date.issued2010-03-01
dc.description.abstractAn experimental and numerical investigation into the shear strength behaviour of aluminium alloy adhesive lap joints was carried out in order to understand the effect of geometrical and manufacturing parameters on the strength of adhesive bonding joints, with the aim of optimizing shear strength. The adherend material used for the experimental tests was an aluminium alloy in the form of thin sheets, and the adhesive used was a high strength epoxy. Five surface treatments were studied. The surface treatments process using sodium dichromate-sulphuric acid etch (CSA) and abrasive polishing (AP) resulted in improved joint shear strength when compared to acetone cleaning (SW), caustic etch (CE), and Tucker's reagent etch (TR). The decrease in surface roughness was found to increase the shear strength of single-lap joints. An increase in adherend thickness and overlap length was found to increase shear strength which means that an increase in joint rigidity increases its strength. A numerical analysis was developed to explain the effect of the geometrical parameters on rotation angle, stress and strain fields, and failure load. An increase in adherend thickness and overlap length decreases the joint rotation angle, reducing the plastic strain peak and therefore increasing the failure load.eng
dc.description.sponsorshipThe authors thank the support from the Portuguese Foundation for Science and Technology (grant SFRH/BD/37384/2007).
dc.identifier.citationA.M. Pereira, J.M. Ferreira, F.V. Antunes, P.J. Bártolo, Analysis of manufacturing parameters on the shear strength of aluminium adhesive single-lap joints, Journal of Materials Processing Technology, Volume 210, Issue 4, 2010, Pages 610-617, ISSN 0924-0136, https://doi.org/10.1016/j.jmatprotec.2009.11.006.
dc.identifier.doi10.1016/j.jmatprotec.2009.11.006
dc.identifier.eissn1873-4774
dc.identifier.issn0924-0136
dc.identifier.urihttp://hdl.handle.net/10400.8/15050
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationMELHORIA DA RESISTÊNCIA À FADIGA USANDO JUNTAS SOLDOCOLADAS
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/abs/pii/S0924013609004051?via%3Dihub
dc.relation.ispartofJournal of Materials Processing Technology
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAdhesive bonding joints
dc.subjectAluminium alloy
dc.subjectShear strength
dc.subjectSurface treatment
dc.subjectFinite element analysis
dc.titleAnalysis of manufacturing parameters on the shear strength of aluminium adhesive single-lap jointseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMELHORIA DA RESISTÊNCIA À FADIGA USANDO JUNTAS SOLDOCOLADAS
oaire.awardURIhttp://hdl.handle.net/10400.8/15048
oaire.citation.endPage617
oaire.citation.issue4
oaire.citation.startPage610
oaire.citation.titleJournal of Materials Processing Technology
oaire.citation.volume210
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNamePereira
person.familyNameBartolo
person.givenNameAntónio
person.givenNamePaulo
person.identifier203086
person.identifier.ciencia-id3E1F-25F1-8519
person.identifier.ciencia-id5810-9BF9-4522
person.identifier.orcid0000-0003-1219-0596
person.identifier.orcid0000-0003-3683-726X
person.identifier.ridN-4246-2013
person.identifier.ridF-2421-2013
person.identifier.scopus-author-id55989034000
person.identifier.scopus-author-id6603353041
relation.isAuthorOfPublication323d37cc-43ff-467a-b882-ac7363e5859c
relation.isAuthorOfPublicationab44d1ae-46d0-45c2-b19f-200024b5a990
relation.isAuthorOfPublication.latestForDiscovery323d37cc-43ff-467a-b882-ac7363e5859c
relation.isProjectOfPublicatione6b278ed-3b63-43a5-b79a-6327408b6d6c
relation.isProjectOfPublication.latestForDiscoverye6b278ed-3b63-43a5-b79a-6327408b6d6c

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An experimental and numerical investigation into the shear strength behaviour of aluminium alloy adhesive lap joints was carried out in order to understand the effect of geometrical and manufacturing parameters on the strength of adhesive bonding joints, with the aim of optimizing shear strength. The adherend material used for the experimental tests was an aluminium alloy in the form of thin sheets, and the adhesive used was a high strength epoxy. Five surface treatments were studied. The surface treatments process using sodium dichromate-sulphuric acid etch (CSA) and abrasive polishing (AP) resulted in improved joint shear strength when compared to acetone cleaning (SW), caustic etch (CE), and Tucker's reagent etch (TR). The decrease in surface roughness was found to increase the shear strength of single-lap joints. An increase in adherend thickness and overlap length was found to increase shear strength which means that an increase in joint rigidity increases its strength. A numerical analysis was developed to explain the effect of the geometrical parameters on rotation angle, stress and strain fields, and failure load. An increase in adherend thickness and overlap length decreases the joint rotation angle, reducing the plastic strain peak and therefore increasing the failure load.
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