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2 355 815

(13)

(51)

IPC

C23C8/54(2006-01-01)

C23C28/00(2006-01-01)

C25D5/48(2006-01-01)

(21) (22)

Application

2007113121/02, 2007-04-09

(24)

Start date

2007-04-09

(22)

Actual filing date

2007-04-09

(45)

Published

2009-05-20

(72)

Inventor

Serebrovskij Vladimir IsaevichSerebrovskaja Ljudmila NikolaevnaSerebrovskij Vadim VladimirovichKonjaev Nikolaj Vasil'EvichSafronov Ruslan IgorevichGnezdilova Julija Petrovna

(73)

Holder

Fgou Vpo Kurskaja Gosudarstvennaja Sel'Skokhozjajstvennaja Akademija Im. Professora I.I. Ivanova

STRENGTHENING METHOD OF METALLIC SURFACES SULPHOCYANIDING Russian patent published in 2009 - IPC C23C8/54 C23C28/00 C25D5/48

Abstract RU 2355815 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to field of strengthening of restored surfaces of steel details. Method includes sulphocyaniding of electrodeposited coating iron - boron during 1 - 3 h at temperature 550 - 600 °C with usage of plaster of the following composition, wt %: iron pyrites 25, potassium ferrocyanide 55, chamotte 20.

EFFECT: increasing of microhardness and wear resistance of steel details.

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RU 2 355 815 C2

Authors

Serebrovskij Vladimir Isaevich

Serebrovskaja Ljudmila Nikolaevna

Serebrovskij Vadim Vladimirovich

Konjaev Nikolaj Vasil'Evich

Safronov Ruslan Igorevich

Gnezdilova Julija Petrovna

Dates

2009-05-20—Published

2007-04-09—Filed