FIELD: metallurgy.
SUBSTANCE: strips of alloyed metals are built-up in direction of lengthwise generatrix of blade body ensuring gaps between built-up strips at least on part of blade body and forming layer. As built-up metal there are used alloys on base of nickel with Co, Cr, Al, Mo, W, Ti, Y or their combination. Further, a blade body is mechanically processed ensuring its specified geometry. Successive thermal treatment corresponds to thermo-cycling.
EFFECT: manufacture of coating possessing high operational properties.
20 cl, 1 dwg
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PROCEDURE FOR FORMING DISCRETE WELDED COATING ON BLADE BODY OF TURBO-MACHINE | 2009 |
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Authors
Dates
2011-11-27—Published
2009-07-15—Filed