The continual growth of the working temperatures of modern aircraft and gas-turbine facilities requires increasing the performance characteristics of ceramic, including heat-shielding and heat-insulating, materials. Materials based on aluminum oxide fibers show the greatest promise for use at temperatures to 1750°C. Different types of fibers developed at the FGUP VIAM and their particularities and use in materials are examined. Different types of fibrous heat-shielding and heat-insulating materials and their technical and operating characteristics are also presented.
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