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2 564 645

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IPC

C21D1/09(2006-01-01)

B22F3/24(2006-01-01)

(21) (22)

Application

2014121879/02, 2014-05-30

(24)

Start date

2014-05-30

(22)

Actual filing date

2014-05-30

(45)

Published

2015-10-10

(72)

Inventor

Koval'Kov Valerij KonstantinovichBeljaev Boris NikolaevichSokolov Andrej VladimirovichFilippov Jaroslav Jur'EvichShvedunov Vasilij IvanovichJurov Dmitrij Sergeevich

(73)

Holder

Koval'Kov Valerij Konstantinovich

METHOD OF SURFACE HARDENING OF CUTTING TOOL OUT OF HARD ALLOYS BASED ON TUNGSTEN CARBIDE WITH COBALT BINDER Russian patent published in 2015 - IPC C21D1/09 B22F3/24

Abstract RU 2564645 C1

FIELD: metallurgy.

SUBSTANCE: method of surface hardening of cutting tool out of hard alloys based on tungsten carbide with cobalt binder includes action on the surface of the tool by electrons flow. The tool surface is provided with charge 0.1-0.8 mK/cm², at that the tool surface is subjected to the electrons flow with electrons energy 0.5-1.5 MeV for at least 10 s.

EFFECT: increased wear-resistance of the tool and its service life.

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RU 2 564 645 C1

Authors

Koval'Kov Valerij Konstantinovich

Beljaev Boris Nikolaevich

Sokolov Andrej Vladimirovich

Filippov Jaroslav Jur'Evich

Shvedunov Vasilij Ivanovich

Jurov Dmitrij Sergeevich

Dates

2015-10-10—Published

2014-05-30—Filed