POWDER OF AN ALLOY BASED ON URANIUM AND MOLYBDENUM IN GAMMA-METASTABLE PHASE, COMPOSITION OF POWDERS COMPRISING THIS POWDER, AND USES OF SAID POWDER AND COMPOSITION

摘要

The invention relates to a powder of an alloy comprising uranium and molybdenum in -metastable phase, a powder composition comprising this powder and the uses of said alloy powder and said powder composition. The alloy powder comprising uranium and molybdenum in the -metastable phase according to the invention is formed of particles comprising a core which is composed of said alloy and which is coated with a layer of alumina in contact with it. heart. Applications: manufacture of nuclear fuel elements and, in particular, fuel elements for experimental nuclear reactors; production of targets for the production of radioelements, useful in particular for medical imaging such as technetium 99m.