Dielectric behaviour of CaCu3Ti4O12-epoxy composites

Detalhes bibliográficos
Autor(a) principal: Ramajo, Leandro Alfredo
Data de Publicação: 2008
Outros Autores: Ramírez, Miguel Angel [UNESP], Bueno, Paulo Roberto [UNESP], Reboredo, María Marta, Castro, Miriam Susana
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000100016&lng=en&nrm=iso&tlng=en
http://hdl.handle.net/11449/130427
Resumo: The 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.
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spelling Dielectric behaviour of CaCu3Ti4O12-epoxy compositesCompositesElectrical propertiesPolymer-matrix composites (PMCs)BariumBarium titanateCalcium alloysCarbon fiber reinforced plasticsCeramic materialsDielectric materialsElectron microscopesElectron microscopyElectron opticsEpoxy resinsImaging techniquesMicrofluidicsMicroscopic examinationMixingPigmentsResinsScanningScanning electron microscopyCeramic fillersDielectric behaviorDielectric behaviourDielectric measurementsElectron microscopy analysisTetrahydrofuran (pTHF)PaintingThe 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.Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Univ Mar del Plata, Natl Res Council Sci & Technol Argentina CONICET, Inst Res Mat Sci & Technol INTEMA, Mar Del Plata, Buenos Aires, ArgentinaUNESP, Inst Chem, BR-14800900 Araraquara, SP, BrazilChemistry Institute of São Paulo State University - UNESP, Bairro Quitandinha, 14800-900 Araraquara-SPUniversidade Federal de São Carlos (UFSCar), Dept Engenharia MaterialsUniversity of Mar del PlataUniversidade Estadual Paulista (Unesp)Ramajo, Leandro AlfredoRamírez, Miguel Angel [UNESP]Bueno, Paulo Roberto [UNESP]Reboredo, María MartaCastro, Miriam Susana2014-05-27T11:22:47Z2014-05-27T11:22:47Z2008-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article85-88application/pdfhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000100016&lng=en&nrm=iso&tlng=enMaterials Research, v. 11, n. 1, p. 85-88, 2008.1516-1439http://hdl.handle.net/11449/13042710.1590/S1516-14392008000100016S1516-14392008000100016WOS:0002602645000162-s2.0-45149124851S1516-14392008000100016.pdf04770459067332540000-0003-2827-0208Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengMaterials Research1.1030,398info:eu-repo/semantics/openAccess2023-12-18T06:19:14Zoai:repositorio.unesp.br:11449/130427Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-12-18T06:19:14Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Dielectric behaviour of CaCu3Ti4O12-epoxy composites
title Dielectric behaviour of CaCu3Ti4O12-epoxy composites
spellingShingle Dielectric behaviour of CaCu3Ti4O12-epoxy composites
Ramajo, Leandro Alfredo
Composites
Electrical properties
Polymer-matrix composites (PMCs)
Barium
Barium titanate
Calcium alloys
Carbon fiber reinforced plastics
Ceramic materials
Dielectric materials
Electron microscopes
Electron microscopy
Electron optics
Epoxy resins
Imaging techniques
Microfluidics
Microscopic examination
Mixing
Pigments
Resins
Scanning
Scanning electron microscopy
Ceramic fillers
Dielectric behavior
Dielectric behaviour
Dielectric measurements
Electron microscopy analysis
Tetrahydrofuran (pTHF)
Painting
title_short Dielectric behaviour of CaCu3Ti4O12-epoxy composites
title_full Dielectric behaviour of CaCu3Ti4O12-epoxy composites
title_fullStr Dielectric behaviour of CaCu3Ti4O12-epoxy composites
title_full_unstemmed Dielectric behaviour of CaCu3Ti4O12-epoxy composites
title_sort Dielectric behaviour of CaCu3Ti4O12-epoxy composites
author Ramajo, Leandro Alfredo
author_facet Ramajo, Leandro Alfredo
Ramírez, Miguel Angel [UNESP]
Bueno, Paulo Roberto [UNESP]
Reboredo, María Marta
Castro, Miriam Susana
author_role author
author2 Ramírez, Miguel Angel [UNESP]
Bueno, Paulo Roberto [UNESP]
Reboredo, María Marta
Castro, Miriam Susana
author2_role author
author
author
author
dc.contributor.none.fl_str_mv University of Mar del Plata
Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Ramajo, Leandro Alfredo
Ramírez, Miguel Angel [UNESP]
Bueno, Paulo Roberto [UNESP]
Reboredo, María Marta
Castro, Miriam Susana
dc.subject.por.fl_str_mv Composites
Electrical properties
Polymer-matrix composites (PMCs)
Barium
Barium titanate
Calcium alloys
Carbon fiber reinforced plastics
Ceramic materials
Dielectric materials
Electron microscopes
Electron microscopy
Electron optics
Epoxy resins
Imaging techniques
Microfluidics
Microscopic examination
Mixing
Pigments
Resins
Scanning
Scanning electron microscopy
Ceramic fillers
Dielectric behavior
Dielectric behaviour
Dielectric measurements
Electron microscopy analysis
Tetrahydrofuran (pTHF)
Painting
topic Composites
Electrical properties
Polymer-matrix composites (PMCs)
Barium
Barium titanate
Calcium alloys
Carbon fiber reinforced plastics
Ceramic materials
Dielectric materials
Electron microscopes
Electron microscopy
Electron optics
Epoxy resins
Imaging techniques
Microfluidics
Microscopic examination
Mixing
Pigments
Resins
Scanning
Scanning electron microscopy
Ceramic fillers
Dielectric behavior
Dielectric behaviour
Dielectric measurements
Electron microscopy analysis
Tetrahydrofuran (pTHF)
Painting
description The 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.
publishDate 2008
dc.date.none.fl_str_mv 2008-01-01
2014-05-27T11:22:47Z
2014-05-27T11:22:47Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000100016&lng=en&nrm=iso&tlng=en
Materials Research, v. 11, n. 1, p. 85-88, 2008.
1516-1439
http://hdl.handle.net/11449/130427
10.1590/S1516-14392008000100016
S1516-14392008000100016
WOS:000260264500016
2-s2.0-45149124851
S1516-14392008000100016.pdf
0477045906733254
0000-0003-2827-0208
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000100016&lng=en&nrm=iso&tlng=en
http://hdl.handle.net/11449/130427
identifier_str_mv Materials Research, v. 11, n. 1, p. 85-88, 2008.
1516-1439
10.1590/S1516-14392008000100016
S1516-14392008000100016
WOS:000260264500016
2-s2.0-45149124851
S1516-14392008000100016.pdf
0477045906733254
0000-0003-2827-0208
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Materials Research
1.103
0,398
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 85-88
application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de São Carlos (UFSCar), Dept Engenharia Materials
publisher.none.fl_str_mv Universidade Federal de São Carlos (UFSCar), Dept Engenharia Materials
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
_version_ 1799965329041915904

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