Structural and microstructural analysis of the U-GD-O system using X-ray diffraction data

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dc.contributor.authorDARIN, GASPAR
dc.contributor.authorIMAKUMA, KENGO
dc.contributor.authorMARTINEZ, LUIS G.
dc.contributor.authorTURRILAS, XABIER M.
dc.contributor.authorICHIKAWA, RODRIGO U.
dc.contributor.authorSILVA, ANDRE S.B.
dc.contributor.authorDURAZZO, MICHELANGELO
dc.contributor.authorRIELLA, HUMBERTO G.
dc.contributor.authorURANO, ELITA
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL NUCLEAR ATLANTIC CONFERENCEpt_BR
dc.date.accessioned2018-01-17T11:07:55Z
dc.date.available2018-01-17T11:07:55Z
dc.date.eventoOctober 22-27, 2017pt_BR
dc.description.abstractGadolinium is one of the best neutron absorber materials and its usage can be considered as a burnable poison for Light Water Reactors (LWR) and as a sacrificial material in Sodium Fast Reactor (SFR). Most of the experiments in the literature focus on nuclear fuel with up to 12 wt% Gd2O3. Recently, the phase diagram and melting point has been investigated for high contents of Gd2O3 in the U-Gd-O system, that means a solid solution of the composition (U1-x, Gdx)O2 for 0<x<100%. In this work, we present the analysis of the U-Gd-O system for high contents of Gd2O3 using X-ray diffraction data. Rietveld analysis was applied to obtain cell parameters, atomic positions and atomic displacement factors and compared with literature avaliable. Also, the quantification of phases was performed for the different contents of Gd2O3 in the system. Finally, mean crystallite sizes were determined and correlated with the weight fraction of the phases.pt_BR
dc.event.siglaINACpt_BR
dc.identifier.citationDARIN, GASPAR; IMAKUMA, KENGO; MARTINEZ, LUIS G.; TURRILAS, XABIER M.; ICHIKAWA, RODRIGO U.; SILVA, ANDRE S.B.; DURAZZO, MICHELANGELO; RIELLA, HUMBERTO G.; URANO, ELITA. Structural and microstructural analysis of the U-GD-O system using X-ray diffraction data. In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE, October 22-27, 2017, Belo Horizonte, MG. <b>Proceedings...</b> Rio de Janeiro, RJ: Associação Brasileira de Energia Nuclear, 2017. Disponível em: http://repositorio.ipen.br/handle/123456789/28337.
dc.identifier.orcidhttps://orcid.org/0000-0001-8542-3827
dc.identifier.orcidhttps://orcid.org/0000-0003-0435-6082
dc.identifier.orcidhttps://orcid.org/0000-0002-2147-8295
dc.identifier.orcidhttps://orcid.org/0000-0001-7707-7821
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/28337
dc.localRio de Janeiro, RJpt_BR
dc.local.eventoBelo Horizonte, MGpt_BR
dc.publisherAssociação Brasileira de Energia Nuclearpt_BR
dc.rightsopenAccesspt_BR
dc.subjectatomic displacements
dc.subjectburnable poisons
dc.subjectcritical size
dc.subjectgadolinium oxides
dc.subjectmicrostructure
dc.subjectmixtures
dc.subjectphase diagrams
dc.subjecturanium
dc.subjectx-ray diffraction
dc.titleStructural and microstructural analysis of the U-GD-O system using X-ray diffraction datapt_BR
dc.typeTexto completo de eventopt_BR
dspace.entity.typePublication
ipen.autorRODRIGO UCHIDA ICHIKAWA
ipen.autorANDRE SANTOS BARROS DA SILVA
ipen.autorELITA FONTENELE URANO DE CARVALHO
ipen.autorHUMBERTO GRACHER RIELLA
ipen.autorMICHELANGELO DURAZZO
ipen.autorLUIS GALLEGO MARTINEZ
ipen.autorKENGO IMAKUMA
ipen.autorGASPAR DARIN FILHO
ipen.codigoautor10118
ipen.codigoautor12657
ipen.codigoautor895
ipen.codigoautor2870
ipen.codigoautor90
ipen.codigoautor397
ipen.codigoautor541
ipen.codigoautor14240
ipen.contributor.ipenauthorRODRIGO UCHIDA ICHIKAWA
ipen.contributor.ipenauthorANDRE SANTOS BARROS DA SILVA
ipen.contributor.ipenauthorELITA FONTENELE URANO DE CARVALHO
ipen.contributor.ipenauthorHUMBERTO GRACHER RIELLA
ipen.contributor.ipenauthorMICHELANGELO DURAZZO
ipen.contributor.ipenauthorLUIS GALLEGO MARTINEZ
ipen.contributor.ipenauthorKENGO IMAKUMA
ipen.contributor.ipenauthorGASPAR DARIN FILHO
ipen.date.recebimento18-01pt_BR
ipen.event.datapadronizada2017pt_BR
ipen.identifier.ipendoc24172pt_BR
ipen.notas.internasProceedingspt_BR
ipen.type.genreArtigo
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sigepi.autor.atividadeDARIN, GASPAR:14240:410:Spt_BR
sigepi.autor.atividadeIMAKUMA, KENGO:541:-1:Npt_BR
sigepi.autor.atividadeMARTINEZ, LUIS G.:397:730:Npt_BR
sigepi.autor.atividadeICHIKAWA, RODRIGO U.:10118:730:Npt_BR
sigepi.autor.atividadeSILVA, ANDRE S.B.:12657:730:Npt_BR
sigepi.autor.atividadeDURAZZO, MICHELANGELO:90:410:Npt_BR
sigepi.autor.atividadeRIELLA, HUMBERTO G.:2870:410:Npt_BR
sigepi.autor.atividadeURANO, ELITA:895:410:Npt_BR
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