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(51)

IPC

C23C18/36(2006-01-01)

(21) (22)

Application

2005129195/02, 2005-09-19

(24)

Start date

2005-09-19

(22)

Actual filing date

2005-09-19

(45)

Published

2007-05-10

(72)

Inventor

Loginov Vladimir TikhonovichKut'Kov Andrej AleksandrovichDanjushina Galina AlekseevnaKanjuka Sergej PetrovichKalabukov Igor' AlekseevichDerlugjan Petr Dmitrievich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Konstruktorsko-Tekhnologicheskoe Bjuro

SOLUTION FOR CHEMICALLY DEPOSITING PROTECTIVE COATING ON POWDER STEELS Russian patent published in 2007 - IPC C23C18/36

Abstract RU 2298594 C1

FIELD: mechanical engineering.

SUBSTANCE: invention relates to chemothermal treatment of powder steels and can be used for surface strengthening of parts made from powder steels. Solution contains, g/L: nickel dichloride 8-10, succinic acid 10-12, sodium fluoride 1-2, sodium hydroxide 4-5, sodium hypophosphite 15-20, fluoroplastic suspension F-4D (50% aqueous solution) 20-30, fluoroplastic suspension F-3M (25% alcoholic solution) 5-10.

EFFECT: prolonged lifetime of powder-steel parts and imparted protection of parts against effects of corrosive media.

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RU 2 298 594 C1

Authors

Loginov Vladimir Tikhonovich

Kut'Kov Andrej Aleksandrovich

Danjushina Galina Alekseevna

Kanjuka Sergej Petrovich

Kalabukov Igor' Alekseevich

Derlugjan Petr Dmitrievich

Dates

2007-05-10—Published

2005-09-19—Filed