FIELD: metallurgy.
SUBSTANCE: proposed alloy comprises the following components in wt %: carbon 0.001-0.12, chromium 8.8-9.2, cobalt 4.8-5.2, tungsten 6.1-6.5, molybdenum 0.15-0.3, aluminium 3.7-3.9, tantalum 3.9-4.1, rhenium 3.4-3.6, boron 0.0003-0.01, niobium 0.10-0.20, cerium 0.002-0.012, yttrium 0.002-0.012, titanium 2.9-3.1, hafnium 0.15-0.25, manganese 0.002-0.12, nickel making the rest. This alloy contains cerium and yttrium at equal amounts while titanium-to-aluminium content is higher than 0.75.
EFFECT: higher long-term durability and oxidation resistance.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| REFRACTORY NICKEL-BASED ALLOY FOR CASTING GAS TURBINE WORKING BLADES | 2013 |
|
RU2524515C1 |
| NICKEL-BASE HEAT RESISTANT ALLOY FOR CASTING NOZZLE VANES OF GAS TURBINE PLANTS | 2017 |
|
RU2636338C1 |
| CAST HEAT-RESISTANT NICKEL-BASED ALLOY AND PRODUCT MADE THEREOF | 2016 |
|
RU2633679C1 |
| HEAT-RESISTANT ALLOY BASED ON NICKEL FOR CASTING OF WORKING BLADES FOR GAS TURBINES | 2018 |
|
RU2678352C1 |
| NICKEL-BASED CAST HEAT RESISTANT ALLOY AND PRODUCT MADE FROM IT | 2013 |
|
RU2530932C1 |
| REFRACTORY ALLOY ON NICKEL BASE FOR CASTING OF NOZZLE VANES WITH EQUIAXIAL STRUCTURE OF GAS TURBINE PLANTS | 2014 |
|
RU2576290C1 |
| HEAT AND CORROSION RESISTANT NICKEL-BASED ALLOY FOR CASTING OF LARGE-SIZED WORKING AND NOZZLE BLADES OF GAS-TURBINE UNITS | 2018 |
|
RU2678353C1 |
| REFRACTORY NICKEL-BASED ALLOY FOR CASTING GAS TURBINE HOT SECTION PARTS | 2013 |
|
RU2519075C1 |
| HEAT-RESISTANT ALLOY BASED ON NICKEL FOR CASTING OF BLADES OF GAS-TURBINE UNITS | 2014 |
|
RU2570130C1 |
| REFRACTORY ALLOY ON NICKEL BASE FOR CASTING OF NOZZLE VANES WITH EQUIAXIAL STRUCTURE OF GAS TURBINE PLANTS | 2014 |
|
RU2542195C1 |
