Natural outdoor and laboratory-controlled ageing of epoxy adhesives and CFRP laminates after four years of exposure

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dc.contributor.authorDushimimana, Aloyspor
dc.contributor.authorCorreia, Luís Luciano Gouveiapor
dc.contributor.authorCruz, Ricardopor
dc.contributor.authorCabral-Fonseca, Susanapor
dc.contributor.authorPereira, João Miguelpor
dc.contributor.authorSena-Cruz, Josépor
dc.date.accessioned2023-10-31T09:43:25Z
dc.date.available2023-10-31T09:43:25Z
dc.date.issued2023-07
dc.description.abstractAgeing of epoxy adhesive and carbon fibre reinforced polymer (CFRP) laminate was addressed in this work. The specimens were exposed to laboratory-controlled (20 °C/55% RH, and water immersion at 20 °C) and outdoor (ageing mainly promoted by carbonation, freeze-thaws, airborne chlorides, and elevated temperatures) conditioning for up to four years. The results from tensile tests showed water immersion of the epoxy adhesive as the most severe exposure condition, yielding to 66% and 75% decrease in tensile strength and elastic modulus, respectively. In contrast, CFRP laminate generally improved the same mechanical properties in outdoor environments, the highest being 16.1% and 10.4%, respectively.por
dc.description.sponsorshipERDF -European Regional Development Fund(UIDB/04029/2020)por
dc.distributioninternationalpor
dc.identifier.doi10.5281/zenodo.8109646por
dc.identifier.urihttps://hdl.handle.net/1822/87149
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherInternational Institute for FRP in Construction (IIFC)por
dc.relationinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FECM-EST%2F1282%2F2014/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FECI-EGC%2F4609%2F2020/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04029%2F2020/PTpor
dc.relation.publisherversionhttps://zenodo.org/records/8109646por
dc.rightsopenAccesspor
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/por
dc.subjectEpoxy adhesivepor
dc.subjectCFRP laminatepor
dc.subjectAccelerated agingpor
dc.subjectNatural ageingpor
dc.subjectTensile strengthpor
dc.subjectElastic moduluspor
dc.titleNatural outdoor and laboratory-controlled ageing of epoxy adhesives and CFRP laminates after four years of exposurepor
dc.typeconferencePaperpor
dspace.entity.typePublicationen
oaire.citationConferenceDate23-26 Jul. 2023por
oaire.versionAMpor
sdum.conferencePublicationCICE 2023 - 11th International Conference on FRP Composites in Civil Engineeringpor
sdum.event.title11th International Conference on FRP Composites in Civil Engineering (CICE2023)por
sdum.event.typeconferencepor

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