摘要 |
FIELD: metallurgy.SUBSTANCE: composition for production of the carbide barrier coating on the part out of carbon-free refractory nickel alloy contains tantalum 0.2-20, tungsten 0.5-9.0, cobalt 8-10, hafnium 0.2-3.0, silicon 0.1-5.0, carbon 0.1-0.4, chrome 4-25, aluminium 2-12, yttrium 0.001-5.0 and nickel - rest.EFFECT: protection of part out of carbon-free refractory nickel alloy against gas corrosion under high temperatures, thus increasing durability of the specified part.1 ex |