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Effect of water and fiber length on the mechanical properties of polypropylene matrix composites

2014-06-01Artigo científico Acesso restrito
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datacite.subject.fosEngenharia e Tecnologia::Engenharia dos Materiais
datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
dc.contributor.authorFerreira, N.
dc.contributor.authorCapela, C.
dc.contributor.authorFerreira, J. M.
dc.contributor.authorCosta, J. M.
dc.date.accessioned2026-05-25T15:01:10Z
dc.date.available2026-05-25T15:01:10Z
dc.date.issued2014-06-01
dc.description.abstractThis paper presents the results of a current study on polypropylene matrix composites processed by injection, with two different glass fiber lengths and five different volume fractions. Physical and mechanical properties were obtained, namely flexural strength, stiffness modulus and fracture toughness. The mechanical properties of the composites increased significantly with the increase of the fibers volume fraction in agreement with the Counto model. The effect of water immersion time was also analysed. Immersion in water promotes a marked decrease in mechanical properties in the early seven-ten days, and afterwards tends to stabilize. Water causes a decrease of the relative strength which increases with fiber volume fraction and reaches about 29 % and 32 % for 20 % of 4.5 mm fiber length and for 25 % of 12 mm fiber length respectively, after 28 days immersion in water. Fracture toughness increases with fiber volume fraction and is always higher for 12 mm fiber length composites than for 4.5 mm fiber length composites.eng
dc.identifier.citationFerreira, N., Capela, C., Ferreira, J. M., & Costa, J. M. (2014). Effect of Water and Fiber Length on the Mechanical Properties of Polypropylene Matrix Composites. Fibers and Polymers, 15(5), 1017-1022. https://doi.org/10.1007/s12221-014-1017-y
dc.identifier.doi10.1007/s12221-014-1017-y
dc.identifier.issn1229-9197
dc.identifier.issn1875-0052
dc.identifier.urihttp://hdl.handle.net/10400.8/16349
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Nature
dc.relation.hasversionhttps://link.springer.com/article/10.1007/s12221-014-1017-y
dc.relation.ispartofFibers and Polymers
dc.rights.uriN/A
dc.subjectGlass fibers
dc.subjectMechanical properties
dc.subjectShort fibers
dc.subjectThermoplastic composites
dc.titleEffect of water and fiber length on the mechanical properties of polypropylene matrix compositeseng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1022
oaire.citation.issue5
oaire.citation.startPage1017
oaire.citation.titleFibers and Polymers
oaire.citation.volume15
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

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