Open photoacoustic cell for thermal diffusivity measurements of a fast hardening cement used in dental restoring

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dc.contributor.authorAstrath, F. B. G.
dc.contributor.authorAstrath, N. G. C.
dc.contributor.authorBaesso, M. L.
dc.contributor.authorBento, A. C.
dc.contributor.authorMoraes, João Carlos Silos [UNESP]
dc.contributor.authorSantos, A. D. [UNESP]
dc.contributor.institutionUniversidade Estadual de Maringá (UEM)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:29:54Z
dc.date.available2014-05-20T13:29:54Z
dc.date.issued2012-01-01
dc.description.abstractThermal diffusivity and conductivity of dental cements have been studied using open photoacoustic cell (OPC). The samples consisted of fast hardening cement named CER, developed to be a root-end filling material. Thermal characterization was performed in samples with different gel/powder ratio and particle sizes and the results were compared to the ones from commercial cements. Complementary measurements of specific heat and mass density were also performed. The results showed that the thermal diffusivity of CER tends to increase smoothly with gel volume and rapidly against particle size. This behavior was linked to the pores size and their distribution in the samples. The OPC method was shown to be a valuable way in deriving thermal properties of porous material. (C) 2012 American Institute of Physics. [doi: 10.1063/1.3673873]en
dc.description.affiliationUniv Estadual Maringa, Dept Fis, Grup Estudo Fenomenos Fotoacust & Fototerm, BR-87020900 Maringa, Parana, Brazil
dc.description.affiliationUNESP Univ Estadual Paulista, Dept Fis & Quim, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.affiliationUnespUNESP Univ Estadual Paulista, Dept Fis & Quim, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipFundação Araucária de Apoio ao Desenvolvimento Científico e Tecnológico do Paraná (FAADCT/PR)
dc.format.extent5
dc.identifierhttp://dx.doi.org/10.1063/1.3673873
dc.identifier.citationJournal of Applied Physics. Melville: Amer Inst Physics, v. 111, n. 1, p. 5, 2012.
dc.identifier.doi10.1063/1.3673873
dc.identifier.fileWOS000299127200111.pdf
dc.identifier.issn0021-8979
dc.identifier.urihttp://hdl.handle.net/11449/10138
dc.identifier.wosWOS:000299127200111
dc.language.isoeng
dc.publisherAmerican Institute of Physics (AIP)
dc.relation.ispartofJournal of Applied Physics
dc.relation.ispartofjcr2.176
dc.relation.ispartofsjr0,739
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleOpen photoacoustic cell for thermal diffusivity measurements of a fast hardening cement used in dental restoringen
dc.typeArtigo
dcterms.licensehttp://www.aip.org/pubservs/web_posting_guidelines.html
dcterms.rightsHolderAmer Inst Physics
unesp.author.orcid0000-0001-6017-2582[3]
unesp.author.orcid0000-0002-1658-8043[2]
unesp.author.orcid0000-0002-7043-3157[5]
unesp.author.orcid0000-0001-6051-0940[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Ilha Solteirapt

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Artigos - Física e Química - FEIS