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Effect of the foam core density on the bending response on sandwich composites

2013-04Artigo científico Acesso restrito
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datacite.subject.fosEngenharia e Tecnologia::Engenharia dos Materiais
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg07:Energias Renováveis e Acessíveis
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorCapela, C.
dc.contributor.authorFerreira, J. A. M.
dc.contributor.authorCosta, J. D.
dc.date.accessioned2026-03-16T11:49:46Z
dc.date.available2026-03-16T11:49:46Z
dc.date.issued2013-04
dc.description.abstractThis paper presents the results of a current study of sandwich panels manufactured by using homogeneous and multilayer core foams with the purpose of improving specific flexural stiffness modulus. In the present study, the core foams were produced by using Verre ScotchitTM-K20 hollow microspheres manufactured by 3M and the selected binder resin was epoxy 520 with hardener 523. The skin was a 2 mm thick carbon/epoxy laminate. The ARAMIS technique was used as an alternative technique to obtain accurate displacement fields. It was concluded that the multilayered panels with different loads of microspheres, putting higher percentage of microsphere in the center and lower in the outer layers, have also higher resistance and stiffness than the panels with homogeneous microsphere percentage cores. It was observed that both properties have a tendency to increase when the displacement rate increases from 0.5 mm/min to 10 mm/min for all architectures. Experimental stiffness agrees well with analytical model predictions. © 2013 The Korean Fiber Society and Springer Science+Business Media Dordrecht.eng
dc.description.sponsorshipThe authors thank the Portuguese Foundation to Science and Technology for funding this work, Project nº PTDC/EME-PME/66549/2006.
dc.identifier.citationCapela, C., Ferreira, J.A.M. & Costa, J.D. Effect of the foam core density on the bending response on sandwich composites. Fibers Polym 14, 597–602 (2013). https://doi.org/10.1007/s12221-013-0597-2
dc.identifier.doi10.1007/s12221-013-0597-2
dc.identifier.issn1229-9197
dc.identifier.issn1875-0052
dc.identifier.urihttp://hdl.handle.net/10400.8/15875
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer
dc.relationLinking the macro and micro phenomenological scales of the mechanical behaviour of syntactic foams
dc.relation.hasversionhttps://link.springer.com/article/10.1007/s12221-013-0597-2
dc.relation.ispartofFibers and Polymers
dc.rights.uriN/A
dc.subjectComposites
dc.subjectFlexure properties
dc.subjectGraded foam core
dc.subjectSandwich structures
dc.titleEffect of the foam core density on the bending response on sandwich compositeseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberPTDC/EME-PME/66549/2006
oaire.awardTitleLinking the macro and micro phenomenological scales of the mechanical behaviour of syntactic foams
oaire.awardURIhttp://hdl.handle.net/10400.8/13193
oaire.citation.endPage602
oaire.citation.issue4
oaire.citation.startPage597
oaire.citation.titleFibers and Polymers
oaire.citation.volume14
oaire.fundingStream3599-PPCDT
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCapela
person.givenNameCarlos
person.identifier.ciencia-id9B1E-6857-3D6B
person.identifier.orcid0000-0003-3334-4945
person.identifier.ridG-6395-2016
person.identifier.scopus-author-id7801358401
relation.isAuthorOfPublication9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isAuthorOfPublication.latestForDiscovery9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isProjectOfPublication792bdc85-9fe6-41d0-838e-f6622f37940e
relation.isProjectOfPublication.latestForDiscovery792bdc85-9fe6-41d0-838e-f6622f37940e

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