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2 705 843

(13)

(51)

IPC

C25D3/56(2006-01-01)

(21) (22)

Application

2019100129, 2019-01-09

(24)

Start date

2019-01-09

(22)

Actual filing date

2019-01-09

(45)

Published

2019-11-12

(72)

Inventor

Serebrovskij Vladimir IsaevichBlinkov Boris SergeevichKalutskij Evgenij SergeevichKonyaev Nikolaj Vasilevich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennaya Selskokhozyajstvennaya Akademiya Imeni I.I. Ivanova"

METHOD FOR ELECTROLYTIC DEPOSITION OF IRON-BORON ALLOY Russian patent published in 2019 - IPC C25D3/56

Abstract RU 2705843 C1

FIELD: technological processes.

SUBSTANCE: invention relates to electrolytic deposition of hard wear-resistant coatings, particularly iron-poride coatings used for surface reconditioning and hardening. Method involves depositing coating from electrolyte containing 200–400 kg/m³ chloride of iron, 0.6–1.4 kg/m³ sodium decahydroborate, 4.0–5.0 kg/m³ citric acid, 1.0–1.5 kg/m³ hydrochloric acid. Deposition is carried out on alternating asymmetric current with current asymmetry factor 2–7 at electrolyte temperature of 20–30 °C in the interval of cathode current densities of 60–100 A/dm².

EFFECT: high microhardness and wear resistance of the iron-bearing coating.

1 cl

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RU 2 705 843 C1

Authors

Serebrovskij Vladimir Isaevich

Blinkov Boris Sergeevich

Kalutskij Evgenij Sergeevich

Konyaev Nikolaj Vasilevich

Dates

2019-11-12—Published

2019-01-09—Filed