KENGO IMAKUMA
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Artigo IPEN-doc 24172 Structural and microstructural analysis of the U-GD-O system using X-ray diffraction data2017 - DARIN, GASPAR; IMAKUMA, KENGO; MARTINEZ, LUIS G.; TURRILAS, XABIER M.; ICHIKAWA, RODRIGO U.; SILVA, ANDRE S.B.; DURAZZO, MICHELANGELO; RIELLA, HUMBERTO G.; URANO, ELITAGadolinium 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 0Artigo IPEN-doc 22319 Size-strain x-ray line profile analysis and crystallite size distribution of nanostructured ZnO2013 - ICHIKAWA, R.U.; MARTINEZ, L.G.; IMAKUMA, K.; TURRILLAS, X.; GUSATTI, M.; RIELLA, H.G.Resumo IPEN-doc 21961 Estudo das redes sociais de cocitações sobre energia solar2014 - SILVA, ANDRE S.B. da; IMAKUMA, KENGO; RIELLA, HUMBERTO G.Resumo IPEN-doc 21959 Estudo de métodos de caracterização de zeólita2014 - SANSONE, ALBERTO E. dos S.; IMAKUMA, KENGO; RIELLA, HUMBERTO G.Resumo IPEN-doc 18445 Study of the crystallinity of the intermetallic compound U3Si2, used as nuclear fuel, by synchrotron radiation diffraction2012 - ICHIKAWA, R.U.; MARTINEZ, L.G.; SILVA, R.S.S.; RIELLA, H.G.; CARVALHO, E.F.U.; CONTUBIA, G.; GARCIA, R.H.L.; IMAKUMA, K.Resumo IPEN-doc 18419 Microstructural characterization of UF4 by high-resolution synchrotron diffraction2012 - ICHIKAWA, R.U.; MARTINEZ, L.G.; SILVA, R.S.S.; RIELLA, H.G.; CARVALHO, E.F.U.; CONTUBIA, G.; GARCIA, R.H.L.; IMAKUMA, K.Artigo IPEN-doc 01799 Caracterizacao de materiais policristalinos atraves da determinacao do tamanho medio dos cristalinos por difracao de raios-x1988 - MARTINEZ, L.G.; RIELLA, H.G.; IMAKUMA, K.; MORIMOTO, N.I.Artigo IPEN-doc 03133 Determination of crystallite size in UOsub(2+x) powder by Xray diffraction1988 - RIELLA, H.G.; MARTINEZ, L.G.; IMAKUMA, K.Artigo IPEN-doc 01634 Fuel characterization techniques: current methods practised at the Instituto de Pesquisas Energeticas e Nucleares, Brazil1988 - IMAKUMA, K.; RIELLA, H.G.; LORDELLO, A.R.; IYER, S.S.; SABATO, S.F.; GRIGOLETTO, T.; VEGA BUSTILLOS, J.O.W.; SALVADOR, V.L.R.; KAKAZU, M.H.; PIRES, M.A.F.; LIMA, N.B.