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Numerical Evaluation of the Direct Method for Cohesive Law Extraction in Shear by the End-Notched Flexure Test

2015Journal article Open access
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dc.contributor.authorFernandes, R.L.
dc.contributor.authorCampilho, R.D.S.G.
dc.contributor.authorLeitão, A.C.C.
dc.contributor.authorAzevedo, J.C.S.
dc.date.accessioned2020-04-29T09:39:42Z
dc.date.available2020-04-29T09:39:42Z
dc.date.issued2015
dc.description.abstractWith adhesive bonding, design can be oriented towards lighter structures, not only regarding the direct weight saving advantages of the joint over fastened or welded joints, but also because of flexibility to joint different materials. Cohesive Zone Models (CZM) are a powerful design tool, although the CZM laws of the adhesive bond in tension and shear are required as input in the models. This work evaluated the shear fracture toughness and CZM laws of bonded joints. The End-Notched Flexure (ENF) test geometry was used with this purpose. The experimental work consisted on the shear fracture characterization of the bond by conventional and the J-integral techniques. Additionally, by the J-integral technique, the precise shape of the cohesive law was defined. Numerical Finite Element (FE) simulations were carried out in Abaqus® to assess the accuracy of the obtained CZM laws in predicting the experimental behaviour of the ENF tests, with positive results. As output of this work, fracture data is provided in shear for the selected adhesive, allowing the subsequent strength prediction of bonded joints.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.proeng.2015.08.046pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/15912
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S1877705815016859pt_PT
dc.subjectCohesive zone modelspt_PT
dc.subjectFinite element analysispt_PT
dc.subjectFracture mechanicspt_PT
dc.subjectStructural adhesivept_PT
dc.titleNumerical Evaluation of the Direct Method for Cohesive Law Extraction in Shear by the End-Notched Flexure Testpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage101pt_PT
oaire.citation.startPage94pt_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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