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Guillaume Champion, Jérôme Allenou, Mathieu Pasturel, Henri Noël, François Charollais, Marie-Christine Anselmet, Xavière Iltis and Olivier Tougait Magnesiothermic Reduction Process Applied to the Powder Production of U(Mo) Fissile Particles Advanced Engineering Materials 15

Version of Record online: 19 SEP 2012 | DOI: 10.1002/adem.201200235

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We present an alternative route to produce γ-U(Mo) powder based on the magnesiothermic reduction of UO2 in presence of Mo. For heat-treatments above 750 °C, dwell periods of few hours and suitable quenching, the resulting powders displays the bcc-structure, typical size in the range 10–200 µm, absence of chemical segregation, a none-perfectly spherical shape and close porosity which may be a paramount benefit to accommodate the fission gases.

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