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2 459 018

(13)

(51)

IPC

C25D15/00(2006-01-01)

(21) (22)

Application

2010130585/02, 2010-07-20

(24)

Start date

2010-07-20

(22)

Actual filing date

2010-07-20

(45)

Published

2012-08-20

(72)

Inventor

Baranov Anatolij NikitichJudin Aleksej NikolaevichJanjushkin Aleksandr SergeevichRychkov Daniil Aleksandrovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet"

METHOD OF PRODUCING COMPOSITE CHROMIUM-CARBON COATING Russian patent published in 2012 - IPC C25D15/00

Abstract RU 2459018 C2

FIELD: chemistry.

SUBSTANCE: method involves electrochemical deposition of a coating from a chromic acid-based electrolyte, wherein the electrolyte contains chromic anhydride CrO₃, calcium sulphate CaSO₄ and colloidal cluster particles of graphite ground to particle size of approximately 200 nm, with the following ratio of ingredients in the electrolyte, g/l: chromic anhydride CrO₃ 250; calcium sulphate CaSO₄ 20; colloidal cluster particles of graphite 15.

EFFECT: reduced coating porosity, high heat resistance and corrosion resistance while maintaining electroconductivity of the coating comparable with that of steel.

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RU 2 459 018 C2

Authors

Baranov Anatolij Nikitich

Judin Aleksej Nikolaevich

Janjushkin Aleksandr Sergeevich

Rychkov Daniil Aleksandrovich

Dates

2012-08-20—Published

2010-07-20—Filed