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Dielectric behaviour of CaCu3Ti4O12-epoxy composites

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dc.contributor.authorRamajo, Leandro Alfredo
dc.contributor.authorRamírez, Miguel Angel [UNESP]
dc.contributor.authorBueno, Paulo Roberto [UNESP]
dc.contributor.authorReboredo, María Marta
dc.contributor.authorCastro, Miriam Susana
dc.contributor.institutionUniversity of Mar del Plata
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:22:47Z
dc.date.available2014-05-27T11:22:47Z
dc.date.issued2008-01-01
dc.description.abstractThe dielectric behavior of composite materials (epoxy resin - barium titanate and epoxy - CCTO) was analysed as a function of ceramic amount. Composites were prepared by mixing the components and pouring them into suitable moulds. In some compositions, the matrix was reduced by tetrahydrofuran (THF) incorporation. Samples containing various amounts of ceramic filler were examined by TG/DTA and scanning electron microscopy analysis. Dielectric measurements were performed from 20 Hz to 1 MHz and 30 to 120 °C. It was demonstrated that the epoxy - CCTO composites possessed higher permittivity than classic epoxy - BaTiO3 composites. However, the low resin permittivity prevailed in the composite dielectric performance.en
dc.description.affiliationUniv Mar del Plata, Natl Res Council Sci & Technol Argentina CONICET, Inst Res Mat Sci & Technol INTEMA, Mar Del Plata, Buenos Aires, Argentina
dc.description.affiliationUNESP, Inst Chem, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationUnespChemistry Institute of São Paulo State University - UNESP, Bairro Quitandinha, 14800-900 Araraquara-SP
dc.description.sponsorshipConsejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.format.extent85-88
dc.identifierhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000100016&lng=en&nrm=iso&tlng=en
dc.identifier.citationMaterials Research, v. 11, n. 1, p. 85-88, 2008.
dc.identifier.doi10.1590/S1516-14392008000100016
dc.identifier.fileS1516-14392008000100016.pdf
dc.identifier.issn1516-1439
dc.identifier.lattes0477045906733254
dc.identifier.orcid0000-0003-2827-0208
dc.identifier.scieloS1516-14392008000100016
dc.identifier.scopus2-s2.0-45149124851
dc.identifier.urihttp://hdl.handle.net/11449/130427
dc.identifier.wosWOS:000260264500016
dc.language.isoeng
dc.publisherUniversidade Federal de São Carlos (UFSCar), Dept Engenharia Materials
dc.relation.ispartofMaterials Research
dc.relation.ispartofjcr1.103
dc.relation.ispartofsjr0,398
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectComposites
dc.subjectElectrical properties
dc.subjectPolymer-matrix composites (PMCs)
dc.subjectBarium
dc.subjectBarium titanate
dc.subjectCalcium alloys
dc.subjectCarbon fiber reinforced plastics
dc.subjectCeramic materials
dc.subjectDielectric materials
dc.subjectElectron microscopes
dc.subjectElectron microscopy
dc.subjectElectron optics
dc.subjectEpoxy resins
dc.subjectImaging techniques
dc.subjectMicrofluidics
dc.subjectMicroscopic examination
dc.subjectMixing
dc.subjectPigments
dc.subjectResins
dc.subjectScanning
dc.subjectScanning electron microscopy
dc.subjectCeramic fillers
dc.subjectDielectric behavior
dc.subjectDielectric behaviour
dc.subjectDielectric measurements
dc.subjectElectron microscopy analysis
dc.subjectTetrahydrofuran (pTHF)
dc.subjectPainting
dc.titleDielectric behaviour of CaCu3Ti4O12-epoxy compositesen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/mr/paboutj.htm
dcterms.rightsHolderUniversidade Federal de São Carlos (UFSCar), Dept Engenharia Materials
dspace.entity.typePublication
unesp.author.lattes0477045906733254[3]
unesp.author.orcid0000-0003-2827-0208[3]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentFísico-Química - IQARpt

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Araraquara - IQAR - Instituto de Química