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2 477 198

(13)

(51)

IPC

B22F3/02(2006-01-01)

G21C3/62(2006-01-01)

(21) (22)

Application

2012104966/02, 2012-02-14

(24)

Start date

2012-02-14

(22)

Actual filing date

2012-02-14

(45)

Published

2013-03-10

(72)

Inventor

Lopatin Vladimir Jur'EvichMjakisheva Larisa Vasil'EvnaPanov Vladimir SergeevichKarpeeva Anastasija Evgen'Evna

(73)

Holder

Federal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Issledovatel'Skij Tekhnologicheskij Universitet"

METHOD OF MAKING FUEL URANIUM-DIOXIDE-BASED PELLETS WITH LOW DOPANTS Russian patent published in 2013 - IPC B22F3/02 G21C3/62

Abstract RU 2477198 C1

FIELD: process engineering.

SUBSTANCE: invention relates to powder metallurgy, particularly, to method of forming uranium dioxide with dopant. Invention may be used in nuclear power engineering for making nuclear fuel pellets based on uranium dioxide. Uranium dioxide moulding powder is prepared and mixed with aluminium stearate in amount of 1.5 wt % of said dioxide moulding powder. Produced mix is compacted and annealed to make fuel pellets.

EFFECT: higher mechanical properties and fuel efficiency.

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RU 2 477 198 C1

Authors

Lopatin Vladimir Jur'Evich

Mjakisheva Larisa Vasil'Evna

Panov Vladimir Sergeevich

Karpeeva Anastasija Evgen'Evna

Dates

2013-03-10—Published

2012-02-14—Filed