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Influence of Superposition Length on Transverse Impact Response of Single-Strap Adhesive Joints

2013-10-18Artigo científico Acesso restrito
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datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.fosCiências Naturais::Ciências Químicas
datacite.subject.fosCiências Naturais::Ciências Físicas
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg12:Produção e Consumo Sustentáveis
dc.contributor.authorReis, P. N. B.
dc.contributor.authorFerreira, J. A. M.
dc.contributor.authorPereira, A. M.
dc.contributor.authorAntunes, F. J. V.
dc.date.accessioned2026-06-17T11:09:39Z
dc.date.available2026-06-17T11:09:39Z
dc.date.issued2013-10-18
dc.description.abstractAdhesive joints are usually designed to carry in-plane loads, but in many cases they are also prone to transverse loading. On the other hand, the impact response of adhesive joints has received limited attention compared to quasi-static loading. Therefore, the present paper aims to study the influence of superposition length on transverse impact response of single-strap adhesive joints. For this purpose, low-velocity impact tests were performed using a drop weight-testing machine with a hemispherical impactor falling at the center of a bi-clamped specimen. The specimens were manufactured using Docol 1000 high-elastic limit steel, with 1.5 mm of thickness, and an Araldite® 420 A/B adhesive (Huntsman Advanced Materials, Everberg, Belgium). The collapse thresholds obtained were 61.6 J, 75.1 J, and 77.5 J, respectively, for adhesive joints with gap length of ℓo = 0, 10, and 20 mm. An adhesive fracture occurred for the three geometries and the cracks initiated at the corner of the joint where the deflection is higher. Joints with higher ℓo have higher impact energies, despite the lower bonding area, as consequence of the lower local deformation. A numerical study was developed and the zero gap (ℓo = 0) gives maximum peel stress.eng
dc.identifier.citationReis, P. N. B., Ferreira, J. A. M., Pereira, A. M., & Antunes, F. J. V. (2014). Influence of Superposition Length on Transverse Impact Response of Single-Strap Adhesive Joints. The Journal of Adhesion, 90(1), 65–79. https://doi.org/10.1080/00218464.2013.797341.
dc.identifier.doi10.1080/00218464.2013.797341
dc.identifier.eissn1545-5823
dc.identifier.issn0021-8464
dc.identifier.urihttp://hdl.handle.net/10400.8/16427
dc.language.isoeng
dc.peerreviewedyes
dc.publisherTaylor and Francis
dc.relation.hasversionhttps://www.tandfonline.com/doi/full/10.1080/00218464.2013.797341
dc.relation.ispartofThe Journal of Adhesion
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAdhesive joints
dc.subjectImpact tests
dc.subjectNumerical analysis
dc.titleInfluence of Superposition Length on Transverse Impact Response of Single-Strap Adhesive Jointseng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage79
oaire.citation.issue1
oaire.citation.startPage65
oaire.citation.titleThe Journal of Adhesion
oaire.citation.volume90
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.affiliation.nameEng. Mecânica
person.familyNamePereira
person.givenNameAntónio
person.identifier.ciencia-id3E1F-25F1-8519
person.identifier.orcid0000-0003-1219-0596
person.identifier.ridN-4246-2013
person.identifier.scopus-author-id55989034000
relation.isAuthorOfPublication323d37cc-43ff-467a-b882-ac7363e5859c
relation.isAuthorOfPublication.latestForDiscovery323d37cc-43ff-467a-b882-ac7363e5859c

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Adhesive joints are usually designed to carry in-plane loads, but in many cases they are also prone to transverse loading. On the other hand, the impact response of adhesive joints has received limited attention compared to quasi-static loading. Therefore, the present paper aims to study the influence of superposition length on transverse impact response of single-strap adhesive joints. For this purpose, low-velocity impact tests were performed using a drop weight-testing machine with a hemispherical impactor falling at the center of a bi-clamped specimen. The specimens were manufactured using Docol 1000 high-elastic limit steel, with 1.5 mm of thickness, and an Araldite® 420 A/B adhesive (Huntsman Advanced Materials, Everberg, Belgium). The collapse thresholds obtained were 61.6 J, 75.1 J, and 77.5 J, respectively, for adhesive joints with gap length of ℓo = 0, 10, and 20 mm. An adhesive fracture occurred for the three geometries and the cracks initiated at the corner of the joint where the deflection is higher. Joints with higher ℓo have higher impact energies, despite the lower bonding area, as consequence of the lower local deformation. A numerical study was developed and the zero gap (ℓo = 0) gives maximum peel stress.
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