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Comparative Evaluation of Single-lap Joints Bonded with Different Adhesives by Cohesive Zone Modelling

2015Journal article Open access
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dc.contributor.authorCampilho, R.D.S.G.
dc.contributor.authorFernandes, T.A.B.
dc.date.accessioned2020-04-29T10:05:57Z
dc.date.available2020-04-29T10:05:57Z
dc.date.issued2015
dc.description.abstractStructures built from several components require some means of joining. In this context, bonding with adhesives has several advantagescompared to traditional joining methods, e.g. reduction of stress concentrations, reduced weight penalty and easy manufacturing. Adhesives can be strong and brittle (e.g., Araldite® AV138) or less strong and ductile (e.g., Araldite® 2015). A new family of polyurethane adhesives combines high strength and ductility (e.g., Sikaforce® 7888). In this work, the performance of the three above mentioned adhesives was tested in single-lap joints with varying values of overlap length (LO). The experimental work carried out is accompanied by a detailed numerical analysis by Finite Elements, based on Cohesive Zone Models (CZM). This procedure enabled detailing the performance of this predictive technique applied to bonded joints. Moreover, it was possible to evaluate which family of adhesives is more suited for each joint geometry. CZM revealed to be highly accurate, except for largely ductile adhesives, although this could be circumvented with a different cohesive law.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.proeng.2015.08.047pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/15914
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S1877705815016860pt_PT
dc.subjectEpoxy/epoxidespt_PT
dc.subjectPolyurethanept_PT
dc.subjectFinite Element Analysispt_PT
dc.subjectFracture mechanicspt_PT
dc.subjectAluminium and alloyspt_PT
dc.titleComparative Evaluation of Single-lap Joints Bonded with Different Adhesives by Cohesive Zone Modellingpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage109pt_PT
oaire.citation.startPage102pt_PT
oaire.citation.titleProcedia Engineeringpt_PT
oaire.citation.volume114pt_PT
person.familyNameCampilho
person.givenNameRaul Duarte Salgueiral Gomes
person.identifier.ciencia-id0314-43B9-03D4
person.identifier.orcid0000-0003-4167-4434
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication4decb370-eb85-4ee1-987f-ec328565ea07
relation.isAuthorOfPublication.latestForDiscovery4decb370-eb85-4ee1-987f-ec328565ea07

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