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Oxidation resistant C-SiC composite

Russian patent № 2130509:

Deposition of C-SiC into volume of porous half-finished materials from a gaseous phase containing the monomethylsilane CH3SiH3.

Temperature - 600-850 оС

Pressure - 20 Pa - 20 kPa

Thermal destruction products - 87% SiC, 13% - H2.

Purpose:

Manufacturing of uncooled nozzles of liquid-propellant engines, thrusters’ combustion chambers, parts of aviation and industrial gas-turbine engines.

Combustion chamber of liquid rocket engine. DMT - MAI-202 made of ceramic composite (C-SiC).

Decrease of weight of the chamber as compared with analogue by 3-4 times.

Temperature of operating capacity – 1600 ˚С.






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