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The influence of curing agents in the impact properties of epoxy resin nanocomposites

2017Journal article Restricted access
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dc.contributor.authorAmaro, Ana M.
dc.contributor.authorBernardo, Luís
dc.contributor.authorPinto, Deesy G.
dc.contributor.authorLopes, Sérgio
dc.contributor.authorRodrigues, João
dc.date.accessioned2019-06-27T09:29:25Z
dc.date.available2019-06-27T09:29:25Z
dc.date.issued2017
dc.description.abstractThis study investigates the impact properties (impact strength (IS) and impact energy (IE)) of epoxy resin nanocomposites (EPNCs) manufactured with different curing agents and reinforced with alumina nanoparticles (NPs). The NPs consisted on alpha alumina with irregular shapes (100 nm maximum size) pretreated with a silane agent. The weight fractions of alumina NPs were 1, 3 and 5 wt(%). Two different epoxy (EP) resins were studied and compared. The first one was cured and post cured with bis (4-aminophenyl) methane (DDM) and the second one was cured with 3-Dodec-2-enyloxolane-2,5-dione (DDSA) + 8-methyl-3a,4,7,7a-tetrahydro-4,7-methano-2-benzofuran-1,3-dione (MNA). Comparatively to the neat EP, and among the three NPs loadings used in this study, the EPNCs with 1 wt(%) showed the maximum improvement in IS and IE, around 78%(IE)-89%(IS) for DDM and 82%(IS)-93%(IE) for DDSA + MNA. EPNCs with 1 wt(%) cured with DDM present the best results for IS and IE, when compared with EPNCs cured with DDSA + MNA. IS and IE of EPNCs highly reduce at 3–5 wt(%).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAmaro, A. M., Bernardo, L., Pinto, D. G., Lopes, S., & Rodrigues, J. (2017). The influence of curing agents in the impact properties of epoxy resin nanocomposites. Composite Structures, 174, 26-32.pt_PT
dc.identifier.doi10.1016/j.compstruct.2017.04.050pt_PT
dc.identifier.issn0263-8223
dc.identifier.urihttp://hdl.handle.net/10400.13/2433
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationStrategic Project - UI 285 - 2013-2014
dc.relationMadeira Chemistry Research Centre
dc.relationCentre for Mechanical Engineering
dc.subjectNanocompositespt_PT
dc.subjectImpact behaviorpt_PT
dc.subjectMechanical testingpt_PT
dc.subjectCurept_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.subjectCentro de Química da Madeira
dc.titleThe influence of curing agents in the impact properties of epoxy resin nanocompositespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleStrategic Project - UI 285 - 2013-2014
oaire.awardTitleMadeira Chemistry Research Centre
oaire.awardTitleCentre for Mechanical Engineering
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6820 - DCRRNI ID/PEst-C%2FEME%2FUI0285%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FQUI%2F00674%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F85049%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FEMS%2F00285%2F2013/PT
oaire.citation.endPage32pt_PT
oaire.citation.startPage26pt_PT
oaire.citation.titleComposite Structurespt_PT
oaire.citation.volume174pt_PT
oaire.fundingStream6820 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamSFRH
oaire.fundingStream6817 - DCRRNI ID
person.familyNameAmaro
person.familyNameBernardo
person.familyNamePinto
person.familyNameRodrigues
person.givenNameAna
person.givenNameLuís
person.givenNameDeesy
person.givenNameJoão
person.identifier305712
person.identifier.ciencia-id4911-DF01-7438
person.identifier.ciencia-id031F-9022-653B
person.identifier.ciencia-idF014-D3E5-5C2E
person.identifier.ciencia-idA81C-620E-DD6A
person.identifier.orcid0000-0001-5237-0773
person.identifier.orcid0000-0003-0484-350X
person.identifier.orcid0000-0003-2218-1343
person.identifier.orcid0000-0003-4552-1953
person.identifier.ridO-3212-2013
person.identifier.ridL-3270-2013
person.identifier.ridB-6816-2008
person.identifier.scopus-author-id7004381167
person.identifier.scopus-author-id8070435300
person.identifier.scopus-author-id35362905700
person.identifier.scopus-author-id9233278800
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.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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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