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Fatigue behaviour in hybrid hollow microspheres/fibre reinforced composites

2010-03-30Journal article Restricted access
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg12:Produção e Consumo Sustentáveis
dc.contributor.authorFerreira, J. A. M.
dc.contributor.authorSalviano, K.
dc.contributor.authorCosta, J. D.
dc.contributor.authorCapela, C.
dc.date.accessioned2025-12-12T11:01:52Z
dc.date.available2025-12-12T11:01:52Z
dc.date.issued2010-03-30
dc.description.abstractThis article presents the results of a current study concerning the influence of the addition of short fibres on the fatigue behaviour of syntactic foams. The material was obtained by vacuum-assisted resin transfer moulding adding hollow glass microspheres to an epoxy resin acting as binding matrix. Specimens with microsphere contents up to 50% and fibre reinforcement up to 1.2% in volume were tested at three-point bending at room temperature. Foams show significantly lower static and fatigue strength than an epoxy matrix. A significant decrease in the absolute strength with filler increase was observed, and even specific strength decreases for low filler contents and is nearly constant for the higher filler contents. Fatigue strength also decreases with the increase in filler content. The addition of glass fibre reinforcement produces only a slight improvement in flexure strength, while the addition of carbon fibres promotes an important improvement; a hybrid composite containing 0.9% carbon fibre is about 30% stronger than unreinforced foams. An improvement in fatigue strength more than 30% was obtained by the addition of small percentages of glass or carbon fibre.eng
dc.description.sponsorshipThe authors thank the financial support of the Portuguese Foundation to Science and Technology, for funding the Project n8 PTDC/EME-PME/66549/2006.
dc.identifier.citationFerreira, J.A.M., Salviano, K., Costa, J.D. et al. Fatigue behaviour in hybrid hollow microspheres/fibre reinforced composites. J Mater Sci 45, 3547–3553 (2010). https://doi.org/10.1007/s10853-010-4397-4.
dc.identifier.doi10.1007/s10853-010-4397-4
dc.identifier.eissn1573-4803
dc.identifier.issn0022-2461
dc.identifier.urihttp://hdl.handle.net/10400.8/15004
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Nature
dc.relationLinking the macro and micro phenomenological scales of the mechanical behaviour of syntactic foams
dc.relation.hasversionhttps://link.springer.com/article/10.1007/s10853-010-4397-4
dc.relation.ispartofJournal of Materials Science
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectFatigue
dc.subjectFoam
dc.subjectCarbon Fibre
dc.subjectFatigue Life
dc.subjectFatigue Strength
dc.titleFatigue behaviour in hybrid hollow microspheres/fibre reinforced compositeseng
dc.typejournal article
dspace.entity.typePublication
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.endPage3553
oaire.citation.startPage3547
oaire.citation.titleJournal of Materials Science
oaire.citation.volume45
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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This article presents the results of a current study concerning the influence of the addition of short fibres on the fatigue behaviour of syntactic foams. The material was obtained by vacuum-assisted resin transfer moulding adding hollow glass microspheres to an epoxy resin acting as binding matrix. Specimens with microsphere contents up to 50% and fibre reinforcement up to 1.2% in volume were tested at three-point bending at room temperature. Foams show significantly lower static and fatigue strength than an epoxy matrix. A significant decrease in the absolute strength with filler increase was observed, and even specific strength decreases for low filler contents and is nearly constant for the higher filler contents. Fatigue strength also decreases with the increase in filler content. The addition of glass fibre reinforcement produces only a slight improvement in flexure strength, while the addition of carbon fibres promotes an important improvement; a hybrid composite containing 0.9% carbon fibre is about 30% stronger than unreinforced foams. An improvement in fatigue strength more than 30% was obtained by the addition of small percentages of glass or carbon fibre.
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