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High temperature X-ray diffraction study of the U4O9 formation on UO2 sintered plates
(Journal of Nuclear Materials, 1991-01-01) [Artigo]
The surface oxidation of UO2 sintered plates at 170-275 ° C was studied in situ by high temperature X-ray diffractometry. At very low oxygen concentration, UO2 is oxidized to U4O9, while at 300°C and argon-20 vol% oxygen ...