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2 303 649

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IPC

C23C4/10(2006-01-01)

B22F1/00(2006-01-01)

C22C29/12(2006-01-01)

(21) (22)

Application

2005126779/02, 2005-08-24

(24)

Start date

2005-08-24

(22)

Actual filing date

2005-08-24

(45)

Published

2007-07-27

(72)

Inventor

Obabkov Nikolaj Vasil'EvichGalljamov Rinat TolgatovichBeketov Askol'D RafailovichArzhakin Anatolij NikolaevichPirozhkov Igor' NikolaevichIzgagin Georgij Borisovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Motornyj Zavod"

HIGH-TEMPERATURE COMPOSITE MATERIAL FOR SEALING COATING Russian patent published in 2007 - IPC C23C4/10 B22F1/00 C22C29/12

Abstract RU 2303649 C2

FIELD: powder metallurgy and sealing materials.

SUBSTANCE: invention provides high-temperature composite material, which can be used for applying sealing coatings on the parts of gas-turbine engines. Material contains 10-15% zirconium dioxide stabilized with 7% yttrium oxide, fraction 100-250 μm; 15-25% boron nitride fraction 450-630 μm; 9-12% nichrome fiber 3-5 mm in length; and stabilized zirconium dioxide of activated dusty fraction - the rest.

EFFECT: increased stability under thermocyclation conditions and reduced wear of counter-body.

1 tbl

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RU 2 303 649 C2

Authors

Obabkov Nikolaj Vasil'Evich

Galljamov Rinat Tolgatovich

Beketov Askol'D Rafailovich

Arzhakin Anatolij Nikolaevich

Pirozhkov Igor' Nikolaevich

Izgagin Georgij Borisovich

Dates

2007-07-27—Published

2005-08-24—Filed