FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy, namely, to production of part from mono-crystal superalloy on base of nickel with hafnium content. Proposed method comprises the following consecutive stages: production of nickel-based super-alloy monocrystalline, not hafnium-alloyed superalloy, production of part from said superalloy, direct application on said part of hafnium layer with thickness of 50 to 800 nm, diffusion treatment with hafnium to form a layer of mutual diffusion on the surface of said part and obtaining a part from a nickel-based monocrystalline superalloy with hafnium content.
EFFECT: higher resistance to oxidation and corrosion.
12 cl, 1 tbl
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RU2749981C2 |
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RU2777682C2 |
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