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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/35732
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dc.contributor.authorRizzato, A. P.-
dc.contributor.authorSantilli, Celso Valentim-
dc.contributor.authorPulcinelli, Sandra Helena-
dc.date.accessioned2014-05-20T15:25:18Z-
dc.date.accessioned2016-10-25T17:59:42Z-
dc.date.available2014-05-20T15:25:18Z-
dc.date.available2016-10-25T17:59:42Z-
dc.date.issued1999-05-01-
dc.identifierhttp://dx.doi.org/10.1016/S0022-3093(99)00057-5-
dc.identifier.citationJournal of Non-crystalline Solids. Amsterdam: Elsevier B.V., v. 247, p. 158-163, 1999.-
dc.identifier.issn0022-3093-
dc.identifier.urihttp://hdl.handle.net/11449/35732-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/35732-
dc.description.abstractIn this work the technique of X-ray reflectometry was applied to study zirconiumsulfate films deposited by sol-gel dip-coating process on a borosilicate glass surface. The influence of withdrawal speed and temperature of thermal treatment on the film structure are analyzed. The thermal evolution of the density and thickness of the film was compared with these properties measured for a monolithic xerogel by helium picnometry and thermomechanical analysis. The fitting of experimental curves by classical reflectivity model showed the presence of an additional layer at the top surface of the coating. Layer thickness increases with increase of withdrawal speed in agreement with the Landau-Levich model. The apparent and real densities are similar for coatings fired below 400 degrees C, which shows that the films are free of pores. The shrinkage during firing is anisotropic, occurring essentially perpendicular to the coating surface. (C) 1999 Elsevier B.V. B.V. All rights reserved.en
dc.format.extent158-163-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.titleX-ray reflectivity of zirconia based sol-gel coatings on borosilicate glassesen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.identifier.doi10.1016/S0022-3093(99)00057-5-
dc.identifier.wosWOS:000080506900029-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Non-Crystalline Solids-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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