Method for preparing a powder of an alloy based on uranium and molybdenum

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United States of America Patent

PATENT NO 9190180
APP PUB NO 20130333519A1
SERIAL NO

13977259

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Abstract

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A method for preparing a powder of an alloy based on uranium and molybdenum in a metastable γ phase is provided, which comprises:

    a) putting at least one first reagent selected from uranium oxides and mixtures thereof, uranium fluorides and mixtures thereof, into contact with a second reagent consisting in molybdenum and a third reagent consisting in a reducing metal, the first, second and third reagents being in a divided form;b) reacting the reagents at a temperature≧the melting temperature of the third reagent and under an inert atmosphere, whereby this reaction leads to the formation of the alloy comprising uranium and molybdenum in the form of a powder, for which the particles are covered with a reducing metal oxide or fluoride layer;c) cooling the so formed powder at a rate at least equal to 450° C./hour; andd) removing the reducing metal oxide or fluoride layer which covers the particles of the powder of the alloy comprising uranium and molybdenum.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSITE DE RENNES 12 RUE DU THABOR RENNES 35000
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES25 RUE LEBLANC BAT LE PONANT PARIS 75015

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allenou, Jerome Lille, FR 3 8
Brothier, Meryl Aix en Provence, FR 14 60
Charollais, Francois Villelaure, FR 3 8
Iltis, Xaviere Pierrevert, FR 2 6
Noel, Henri Thorigne Fouillard, FR 2 6
Pasturel, Mathieu Montreuil sur Ille, FR 3 8
Tougait, Olivier Rennes, FR 3 8

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