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2 530 802

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(51)

IPC

C04B35/565(2006-01-01)

(21) (22)

Application

2013144435/03, 2013-10-03

(24)

Start date

2013-10-03

(22)

Actual filing date

2013-10-03

(45)

Published

2014-10-10

(72)

Inventor

Vaganova Marija LeonidovnaGrashchenkov Denis VjacheslavovichErmakova Galina VladimirovnaSolntsev Sergej Stanislavovich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Aviatsionnykh Materialov"

CERAMIC COMPOSITE MATERIAL Russian patent published in 2014 - IPC C04B35/565

Abstract RU 2530802 C1

FIELD: machine building.

SUBSTANCE: invention can be used at manufacturing of parts and units of uncooled structures in aircraft gas turbine engines of new generation with improved characteristics of specific power and fuel efficiency which are operated under the temperatures of up to 1750°C in oxidizing media environment. Ceramic composite material contains silicon, carbon, silicon carbide and oxide system ZrO₂-HfO₂-Y₂O₃ with the following ratio of components, wt %: Si - 15-30; C - 20-40; oxide system ZrO₂-HfO₂-Y₂O₃- 3-15; SiC - the rest. The oxide system ZrO₂-HfO₂-Y₂O₃ is of the following chemical composition, wt %: ZrO₂- 55-80; HfO₂ - 15-30; Y₂O₃ - 3-15.

EFFECT: increased heat resistance of items.

2 tbl

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RU 2 530 802 C1

Authors

Vaganova Marija Leonidovna

Grashchenkov Denis Vjacheslavovich

Ermakova Galina Vladimirovna

Solntsev Sergej Stanislavovich

Dates

2014-10-10—Published

2013-10-03—Filed