FIELD: engines and pumps.
SUBSTANCE: heat barrier coating consists of alternating layers of zirconium oxide, which is stabilised with yttrium oxide, and layers of material resistant to impact of molten silicates. External layer resistant to impact of molten silicates can be formed at least of one oxide chosen from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutecium, scandium, indium, zirconium, hafnium and titanium oxides, or can be formed of zirconium oxide stabilised with gadolinium oxide. Besides, metal bonding coating can be located between the base and system of heat barrier coating.
EFFECT: increasing protection of parts against damages related to impact of sand.
37 cl, 2 dwg
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