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2 189 368

(13)

(51)

IPC

(21) (22)

Application

2000130626/03, 2000-12-07

(24)

Start date

2000-12-07

(22)

Actual filing date

2000-12-07

(45)

Published

2002-09-20

(72)

Inventor

Solntsev S.S.Isaeva N.V.Ermakova G.V.

(73)

Holder

Gosudarstvennoe Predprijatie Nauchno-Issledovatel'Skij Institut Aviatsionnykh Materialov"

HIGH-TEMPERATURE COATING Russian patent published in 2002 - IPC

Abstract RU 2189368 C2

FIELD: aircraft industry. SUBSTANCE: high- temperature coating contains, wt.%: silicon, 6-9; boron, 2-5; haffnium oxide, 63- 68; haffnium boride, 8-12; tantalum pentoxide, 12-17. Invention can be applied for oxidation protection of silicon carbide matrix-based nonmetallic materials with carbon fiber filler. EFFECT: increased antioxidant activity of carbon ceramic composites at temperature 1800 C. 2 tbl

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RU 2 189 368 C2

Authors

Solntsev S.S.

Isaeva N.V.

Ermakova G.V.

Dates

2002-09-20—Published

2000-12-07—Filed