Ceramic crucibles: a new alternative for melting of PbO–BiO1.5–GaO1.5 glasses

dc.contributor.authorSantos, Ieda Maria Garcia dos
dc.contributor.authorMoreira, Rafael Carlos Martins
dc.contributor.authorSouza, Antônio Gouveia de
dc.contributor.authorLebullenger, Ronan
dc.contributor.authorHernandes, Antônio Carlos
dc.contributor.authorLeite, Edson Roberto
dc.contributor.authorPaskocimas, Carlos Alberto
dc.contributor.authorSilva, Elson Longo da
dc.date.accessioned2021-04-23T14:02:43Z
dc.date.available2021-04-23T14:02:43Z
dc.date.issued2002-07-10
dc.description.resumoPbO–Bi2O3–Ga2O3 glasses present interesting properties such as good transmission in the mid-infrared region, high magnetic Verdet constant and non-linear properties. The processing of these heavy-metal-oxide (HMO) glasses is limited by the high corrosive nature of the melt, even in relation to noble metal crucibles. In this work, three kinds of ceramic crucibles (alumina, tin oxide and zirconia) were tested for melting HMO glasses. The main physical properties of the prepared glasses, such as the characteristic temperatures, optical transmission were studied in function of the crucible nature, time/temperature melting parameters. The incorporation of crucible material in the glasses was determined by ICP and atomic absorption. Themaximumglass contamination fromthe crucible was 2.9, 1.6 and 3.6mol% forAl2O3, SnO2 and ZrO2 crucibles, respectively, whenmelting was done at 900 C/240min, for zirconia crucibles and at 1000 C/60 min, for the other two crucibles. The evolution of the physical properties was discussed as a function of contamination degreept_BR
dc.identifier.citationSANTOS, Iêda Maria Garcia dos; MOREIRA, Rafael Carlos Martins; SOUZA, Antônio Gouveia de; LEBULLENGER, Ronan; HERNANDES, Antônio Carlos; LEITE, Edson Roberto; PASKOCIMAS, Carlos Alberto; LONGO, Elson. Ceramic crucibles: a new alternative for melting of pbo⠳bio1.5⠳gao1.5 glasses. Journal of Non-Crystalline Solids, [S.L.], v. 319, n. 3, p. 304-310, maio 2003. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0022309302020550?via%3Dihub. Acesso em: 21 mar. 2021. http://dx.doi.org/10.1016/s0022-3093(02)02055-0.pt_BR
dc.identifier.doi10.1016/s0022-3093(02)02055-0
dc.identifier.issn0022-3093
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/32305
dc.languageenpt_BR
dc.publisherElsevierpt_BR
dc.rightsAttribution 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/br/*
dc.subjectM140pt_BR
dc.subjectG180pt_BR
dc.titleCeramic crucibles: a new alternative for melting of PbO–BiO1.5–GaO1.5 glassespt_BR
dc.typearticlept_BR

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