NICKEL-BASED SUPERALLOY REINFORCED WITH GAMMA-STROKE PHASE, ITS USE AND METHOD FOR PRODUCTION OF COMPONENTS OF GAS TURBINE ENGINE Russian patent published in 2022 - IPC C22C19/05 C22F1/10 B23K26/20 B23K26/342 B23K10/02 

Abstract RU 2777822 C2

FIELD: metallurgy.

SUBSTANCE: present invention relates to a nickel-based superalloy reinforced with a gamma-stroke phase and its use for the production and repairment of components of a turbine engine. The mentioned superalloy contains, wt.%: 9,0-10,5 Cr, 20-22 Co, 1,0-1,4 Mo, 5,0-5,8 W, 2,0-6,0 Ta, 3,0-6,5 Al, 0,2-1,5 Hf, 0,01-0,16 C, 1,5-3,5 Re, 0-1,0 Ge, 0-0,2 Y, 0-1 Si, 0-0,015 B, and nickel with impurities for the rest. The superalloy reinforced with the gamma-stroke phase can be used as material for welding wire or welding powder in the manufacture of a component of the turbine engine by welding. The mentioned component can be also obtained using this superalloy by layer-by-layer building up, or casting, or hot molding.

EFFECT: given nickel-based superalloy reinforced with a gamma-stroke phase has high oxidation resistance, high strength and plasticity, and welding material of superalloy provides for obtaining welded joints without cracks on monocrystal materials at an ambient temperature.

14 cl, 10 dwg, 7 tbl, 5 ex

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RU 2 777 822 C2

Authors

Goncharov Aleksandr B.

Liburdi Dzho

Lauden Pol

Dates

2022-08-11Published

2018-12-18Filed