FIELD: gas-turbine engines; sealing units which may get in contact with working blades. SUBSTANCE: material consists of load-bearing frame- work made of carbon-ceramic material on base of graphitized fibres and carbido-silicon matrix, as well as various finely dispersed additions depending on specific requirements for the material (for example, boron nitride). EFFECT: reliable operation of seal when used in engines at temperature of working gas ranging from 1300 to 1400 C.
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|
RU2084425C1 |
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| METHOD OF PROCESSING SURFACE OF CARBON FIBERS | 1991 |
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| PROCESS FOR PREPARING PROTECTIVE COATING ON FRICTION CARBONACEOUS PRODUCTS | 1991 |
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| ELECTRIC BRUSH MANUFACTURING PROCESS | 1994 |
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| METHOD AND INSTALLATION FOR GRAPHITIZATION OF CARBON BLANKS | 1995 |
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RU2140392C1 |
| COMPOSITION FOR PREPARING OF PROTECTIVE ANTIOXIDANT COATING ON CARBON MATERIALS | 1991 |
|
RU2012553C1 |
