FIELD: metallurgy.
SUBSTANCE: heat-resistant alloy based on nickel for manufacture of blades of gas-turbine units contains the following, wt %: carbon 0.08-0.11; chrome 14.6-15.1; cobalt 8.5-8.9; tungsten 6.5-6.9; molybdenum 0.3-0.6; aluminium 3.9-4.1; titanium 3.6-3.8; boron 0.010-0.013; calcium 0.01-0.20; silicone ≤0.1; manganese 0.15-0.30; sulphur ≤0.005; phosphorus ≤0.005; magnesium 0.01-0.20; copper ≤0.05; nitrogen 10-20 ppm; oxygen 10-15 ppm, at least two elements chosen from the following group: iron ≤0.2; vanadium ≤0.10 and barium ≤0.01, and nickel is the rest.
EFFECT: alloy is characterised by increased values of ductility, corrosion resistance; high structural stability is provided.
2 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITION OF NICKEL-BASED HEAT-RESISTANT ALLOY CHARGE OF EQUIAXIAL STRUCTURE FOR GAS TURBINE WORKING BLADE CASTING | 2014 |
|
RU2562202C1 |
| HEAT AND CORROSION RESISTANT NICKEL-BASED ALLOY FOR CASTING OF LARGE-SIZED WORKING AND NOZZLE BLADES OF GAS-TURBINE UNITS | 2018 |
|
RU2678353C1 |
| BLADE OF GAS-TURBINE UNIT MADE OF HEAT-RESISTANT NICKEL-BASED ALLOY AND MANUFACTURING METHOD THEREOF | 2014 |
|
RU2581339C1 |
| HEAT-RESISTANT ALLOY BASED ON NICKEL FOR CASTING OF WORKING BLADES FOR GAS TURBINES | 2018 |
|
RU2678352C1 |
| HEAT-RESISTANT ALLOY BASED ON NICKEL FOR MANUFACTURE OF BLADES OF GAS-TURBINE UNITS AND METHOD OF ITS HEAT TREATMENT | 2014 |
|
RU2539643C1 |
| HEAT-RESISTANT NICKEL-BASED ALLOY FOR CASTING GAS TURBINE HOT SECTION PARTS OF PLANTS WITH EQUIAXIAL STRUCTURE | 2015 |
|
RU2581337C1 |
| HEAT-RESISTANT NICKEL-BASED ALLOY FOR CASTING WITH EQUIAXIAL STRUCTURE INTEGRATED WHEELS AND WORKING BLADES | 2015 |
|
RU2585148C1 |
| NICKEL-BASE HEAT RESISTANT ALLOY FOR CASTING NOZZLE VANES OF GAS TURBINE PLANTS | 2017 |
|
RU2636338C1 |
| REFRACTORY NICKEL-BASED ALLOY FOR CASTING GAS TURBINE WORKING BLADES | 2014 |
|
RU2542194C1 |
| REFRACTORY NICKEL-BASED ALLOY FOR CASTING GAS TURBINE WORKING BLADES | 2013 |
|
RU2524515C1 |
