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Effect of irregular shaped nanoalumina on the enhancement of mechanical properties of epoxy resin nanocomposites using DDM as hardener

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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.contributor.authorLouro, Cristina S.
dc.date.accessioned2019-06-25T13:32:35Z
dc.date.available2019-06-25T13:32:35Z
dc.date.issued2016
dc.description.abstractThis article presents experimental results on the mechanical properties of epoxy (EP) resin nanocomposites (EPNCs) reinforced with alumina nanoparticles. The nanoparticles consisted on alpha alumina with irregular shapes (100 nm maximum size) pretreated with a silane agent (3-Aminopropyl triethoxysilane, APTES). During the preparation process, silane-functionalized alumina nanoparticles, are covalently connected to the epoxy matrix by the reaction of the amine groups with the epoxy groups, creating stronger interfacial interactions between the nanoalumina (the filler) and the EP matrix. At the curing process, the amine groups of the 4,4′-Diaminodiphenylmethane (DDM (the hardener)) will react with the epoxy groups, creating/reinforcing the network interlock at the polymeric matrix. The weight fractions of alumina nanoparticles were as follows: 1, 3 and 5 wt.%. After testing, and when compared with the neat EP, the EPNCs containing 1 wt.% of alumina nanoparticles showed the maximum improvement on the mechanical properties. Better dispersion of nanoalumina particles was achieved for 1 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., & Louro, C. S. (2016). Effect of irregular shaped nanoalumina on the enhancement of mechanical properties of epoxy resin nanocomposites using DDM as hardener. Composites Part B: Engineering, 84, 17-24.pt_PT
dc.identifier.doi10.1016/j.compositesb.2015.08.062pt_PT
dc.identifier.issn1359-8368
dc.identifier.urihttp://hdl.handle.net/10400.13/2430
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectPolymer-matrix composites (PMCs)pt_PT
dc.subjectParticle-reinforcementpt_PT
dc.subjectNano-structurespt_PT
dc.subjectMechanical propertiespt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.subjectCentro de Química da Madeira
dc.titleEffect of irregular shaped nanoalumina on the enhancement of mechanical properties of epoxy resin nanocomposites using DDM as hardenerpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/COMPETE/PEst-C%2FEME%2FUI0285%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/PEst-OE%2FQUI%2FUI0674%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F85049%2F2012/PT
oaire.citation.endPage24pt_PT
oaire.citation.startPage17pt_PT
oaire.citation.titleComposites Part B: Engineeringpt_PT
oaire.citation.volume84pt_PT
oaire.fundingStreamCOMPETE
oaire.fundingStream5876
oaire.fundingStreamSFRH
person.familyNameAmaro
person.familyNameBernardo
person.familyNamePinto
person.familyNameRodrigues
person.familyNameSantos Louro
person.givenNameAna
person.givenNameLuís
person.givenNameDeesy
person.givenNameJoão
person.givenNameCristina Maria
person.identifier305712
person.identifierA-7738-2018
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.ciencia-id7317-6871-80B2
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.orcid0000-0002-8142-0650
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
person.identifier.scopus-author-id6701881284
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
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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