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Mechanical Characterization of Eco-Friendly Composites: Green Epoxy Resin Reinforced with Coir Fibers

2026Comunicação em conferência Acesso aberto
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datacite.subject.fosEngenharia e Tecnologia::Engenharia dos Materiais
datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg13:Ação Climática
datacite.subject.sdg04:Educação de Qualidade
dc.contributor.authorRibeiro, J.E.
dc.contributor.authorLopes, Hernani
dc.contributor.authorRocha, João
dc.date.accessioned2026-03-11T17:26:29Z
dc.date.available2026-03-11T17:26:29Z
dc.date.issued2026
dc.description.abstractThe increasing demand for sustainable materials has fostered the development of natural fiber-reinforced composites as eco-friendly alternatives to petroleum-based systems. This work investigates the mechanical performance of GreenPoxy resin reinforced with coir fibers through a comprehensive experimental program. Fiber properties were first characterized by density and tensile tests, while the resin was evaluated under tensile and flexural loading. Composite laminates were then fabricated by hand lay-up using 3% and 6% fiber volume fractions, with both untreated and retted fibers. Mechanical behavior was analyzed using Taguchi design and ANOVA to assess the effects of fiber treatment and content. Untreated fibers displayed slightly higher intrinsic strength, while mercerization enhanced fiber–matrix adhesion, particularly at higher fractions. The composites exhibited promising properties, confirming the potential of coir/GreenPoxy systems for sustainable structural applications.eng
dc.description.sponsorshipThe authors acknowledge the Foundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES (PIDDAC) to CIMO (UIDB/00690/2020 and UIDP/00690/2020) and SusTEC (LA/P/0007/2020).
dc.identifier.citationRibeiro, J.E.; Lopes, Hernani; Rocha, João (2026). Mechanical Characterization of Eco-Friendly Composites: Green Epoxy Resin Reinforced with Coir Fibers. In 6th International Conference on Structural Integrity, ICSI 2025. ISSN 2452-3216. 77, p. 300-307
dc.identifier.doi10.1016/j.prostr.2026.01.039
dc.identifier.issn2452-3216
dc.identifier.urihttp://hdl.handle.net/10198/36041
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationMountain Research Center - UIDP/00690/2020
dc.relationMountain Research Center - UIDB/00690/2020
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions - LA/P/0007/2020
dc.relation.ispartofProcedia Structural Integrity
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectSustainable composites
dc.subjectCoir fibers
dc.subjectGreenPoxy
dc.subjectMechanical characterization
dc.subjectTaguchi
dc.titleMechanical Characterization of Eco-Friendly Composites: Green Epoxy Resin Reinforced with Coir Fiberseng
dc.typeconference paper
dspace.entity.typePublication
oaire.awardNumberUIDP/00690/2020
oaire.awardNumberUIDB/00690/2020
oaire.awardNumberLA/P/0007/2020
oaire.awardTitleMountain Research Center - UIDP/00690/2020
oaire.awardTitleMountain Research Center - UIDB/00690/2020
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions - LA/P/0007/2020
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.citation.endPage307
oaire.citation.startPage300
oaire.citation.title6th International Conference on Structural Integrity, ICSI 2025, Procedia
oaire.citation.volume77
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameRibeiro
person.familyNameRocha
person.givenNameJ.E.
person.givenNameJoão
person.identifierR-000-6Y8
person.identifier.ciencia-id0F15-FB62-29DB
person.identifier.ciencia-id721E-FDC6-792A
person.identifier.orcid0000-0001-6300-148X
person.identifier.orcid0000-0001-7945-4192
person.identifier.ridG-3839-2018
person.identifier.ridF-1228-2015
person.identifier.scopus-author-id25638652400
person.identifier.scopus-author-id57196324678
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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