Procedure for production of built-up coating on blade body of turbo-machine. RU patent 2434973.

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

IPC classes for russian patent Procedure for production of built-up coating on blade body of turbo-machine. RU patent 2434973. (RU 2434973):

C23C26 - Coating not provided for in groups ; C23C0002000000-C23C0024000000

B23P6 - Restoring or reconditioning objects (straightening or restoring form of sheet metal, metal rods, metal tubes, metal profiles, or specific articles made therefrom B21D0001000000, B21D0003000000; repairing defective or damaged objects by casting techniques B22D0019100000; procedures or apparatus covered by a single other subclass, see the relevant subclass);

B23K9/04 - Welding for other purposes than joining, e.g. built-up welding

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