FIELD: chemistry.
SUBSTANCE: invention relates to a composition and a method of producing protective coatings. The method of producing a protective coating involves preparation of a mixture by mixing starting components containing silicon, zirconium boride and boron, with the following ratio of components, wt %: Si - 65-75, ZrB2 - 10-30, B - 10-30. Slip is then prepared with addition of an organic binder and the slip is deposited on a substrate. The obtained workpiece is heat treated in an air medium at temperature of 650-1000°C for 10-15 minutes.
EFFECT: low temperature for heat treatment of the coating.
3 cl, 4 ex, 2 tbl
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