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2 630 898

(13)

(51)

IPC

G21C3/62(2006-01-01)

(21) (22)

Application

2016114943, 2016-04-18

(24)

Start date

2016-04-18

(22)

Actual filing date

2016-04-18

(45)

Published

2017-09-14

(72)

Inventor

Fotin Andrej EvgenevichVakhnenko Vladimir VitalevichShevchenko Galina MikhajlovnaRusin Yurij Grigorevich

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Zavod"

METHOD OF MANUFACTURING NUCLEAR FUEL TABLETS USING ALLOYING Russian patent published in 2017 - IPC G21C3/62

Abstract RU 2630898 C1

FIELD: metallurgy.

SUBSTANCE: method of alloyingUO₂ powders, including dosing powder alloying compound (additive) in UO₂, the operation for preparing a portion of UO₂ mixture with powder alloying compound, the manufacture of press powder, the moulding of compacted matter and heat treatment thereof. As an alloying compound, aluminium- or (and) silicon-containing substance with melting point up to 200°C is used, the melting and evaporation temperatures of which lie below the decomposition temperature.

EFFECT: invention makes it possible to increase the efficiency of the alloying and reduce the sintering time for tablets.

2 cl, 2 tbl, 2 dwg

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RU 2 630 898 C1

Authors

Fotin Andrej Evgenevich

Vakhnenko Vladimir Vitalevich

Shevchenko Galina Mikhajlovna

Rusin Yurij Grigorevich

Dates

2017-09-14—Published

2016-04-18—Filed