Please use this identifier to cite or link to this item: http://www.repositorio.cdtn.br:8080/jspui/handle/123456789/524
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dc.contributor.authorSabioni, Antonio Claret Soares
dc.contributor.authorFerraz, Wilmar Barbosa
dc.contributor.authorMillot, F.
dc.date.accessioned2016-08-29T18:47:37Z-
dc.date.available200511
dc.date.available2016-08-29T18:47:37Z-
dc.date.issued2000
dc.identifier.issnISSN 0022-3115
dc.identifier.urihttp://www.repositorio.cdtn.br:8080/jspui/handle/123456789/524-
dc.description.abstractThe influence of grain-boundaries on uranium and oxygen diffusion in polycrystalline UO2 has been investigated. Our results show that between 1498 and 1697 celsius degree, in H2 atmosphere, uranium diffusion in UO2 grain-boundaries is about five orders of magnitude greater than uranium volume diffusion, in the same experimental conditions. Between 605 and 750 celsius degree, in H2/N2/H2O atmosphere, the oxygen diffusion coefficients measured in polycrystalline and single crystalline UO2 are similar, and correspond to the volume diffusion.
dc.language.isoInglês
dc.rightsL
dc.subjectUranium dioxide
dc.subjectgrain boundaries
dc.subjectdiffusion
dc.titleEffect of grain-boundaries on uranium and oxygen diffusion in polycrystalline UO2
dc.typeArtigo Periódico
dc.creator.affiliationUniversidade Federal de Ouro Preto/UFOP, MG, Brasil
dc.creator.affiliationCentro de Desenvolvimento da Tecnologia Nuclear/CDTN, Belo Horizonte, MG, Brasil
dc.creator.affiliationCentre de Recherches sur les Matériaux à Haute Temperatures/CNRS, Orleans, France
dc.identifier.vol278
dc.identifier.extentp.364-369
dc.title.journalJournal of Nuclear Materials Amsterdam
Appears in Collections:Artigo de periódico

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