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2 536 022

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(51)

IPC

B22F3/12(2006-01-01)

H01F1/10(2006-01-01)

H01F1/34(2006-01-01)

(21) (22)

Application

2013143525/02, 2013-09-26

(24)

Start date

2013-09-26

(22)

Actual filing date

2013-09-26

(45)

Published

2014-12-20

(72)

Inventor

Kostishin Vladimir Grigor'EvichKozhitov Lev Vasil'EvichAndreev Valerij GeorgievichMorchenko Aleksandr TimofeevichChitanov Denis NikolaevichAdamtsov Artem Jur'EvichKomlev Aleksandr Sergeevich

(73)

Holder

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

METHOD FOR OBTAINING FERRITIC ITEMS BY RADIATION THERMAL SINTERING Russian patent published in 2014 - IPC B22F3/12 H01F1/10 H01F1/34

Abstract RU 2536022 C1

FIELD: metallurgy.

SUBSTANCE: charge is prepared from synthesised ferritic material and 0.01-0.05 wt % of low-melting additive preliminary mechanoactivated in planetary mill for 25-50 minutes. Obtained press-powder is used for workpieces pressing, heated to sintering temperature by radiation of penetrating electron beam and exposed at sintering temperature under radiation. During heating isothermal exposure is performed for 10-20 min at low-melting additive melting temperature.

EFFECT: reducing sintering time, improving ferrites electromagnetic capabilities.

8 tbl, 1 ex

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RU 2 536 022 C1

Authors

Kostishin Vladimir Grigor'Evich

Kozhitov Lev Vasil'Evich

Andreev Valerij Georgievich

Morchenko Aleksandr Timofeevich

Chitanov Denis Nikolaevich

Adamtsov Artem Jur'Evich

Komlev Aleksandr Sergeevich

Dates

2014-12-20—Published

2013-09-26—Filed