FIELD: deposition of high-temperature protective coatings. SUBSTANCE: method involves applying heat-resistant underlayer of powders by diffusion onto part surface; plasma spraying of metal layer based on NiCoCrAlSi V and ceramic layer based on zirconium dioxide with additives of aluminum , chromium, yttrium, nickel and silicon oxides. Method allows shaped parts operating under high-temperature conditions of 1200 C ( for instance, tip blades and units of turbine, combustion chambers) to be protected. EFFECT: increased efficiency and wider operational capabilities. 3 tbl
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Authors
Dates
1996-01-27—Published
1991-01-14—Filed