FIELD: metallurgy, namely nickel base refractory alloys used for making heavy-load parts working at elevated temperatures in gas turbine engines.
SUBSTANCE: nickel base refractory alloy contains carbon, chrome, cobalt, tungsten, molybdenum, titanium, aluminum, niobium, hafnium, boron, zirconium and magnesium at next relation of ingredients, mass %: carbon, 0.02 - 0.10; chrome, 9.0 - 11.0; cobalt, 14.0 - 16.0; tungsten, more than 5.5 - 6.5; molybdenum, 3.0 - 3.8; titanium, 4.0 -4.2; aluminum, 3.4 - 4.2; niobium, 1.5 - 2.2; hafnium, 0.1 - 0.2; boron, 0.005 - 0.05; zirconium, 0.001 - no more than 0.005; magnesium, 0.001 - 0.05; nickel, the balance.
EFFECT: improved long-period strength, enhanced fatigue resistance for small number of cycles, resistance to crack, increased useful life period of articles of such alloy.
2 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| HEAT-RESISTANT POWDER ALLOY ON BASIS OF NICKEL | 2007 |
|
RU2348726C1 |
| POWDERY NICKEL-BASE HEAT-RESISTANT ALLOY | 2006 |
|
RU2299919C1 |
| NICKEL GRANULAR HEAT-RESISTANT ALLOY FOR GAS TURBINE DISKS | 2021 |
|
RU2765297C1 |
| TEMPERATURE-RESISTANT NICKEL ALLOY FOR RECEIVING OF PRODUCTS BY METHOD OF GRANULES METALLURGY | 2008 |
|
RU2359053C1 |
| HEAT RESISTANT NICKEL ALLOY FOR PRODUCTION OF ITEMS BY METHOD OF PELLET METALLURGY | 2010 |
|
RU2428497C1 |
| HEAT RESISTANT NICKEL ALLOY FOR PRODUCTION OF ITEMS BY METHOD OF PELLET METALLURGY | 2015 |
|
RU2590792C1 |
| HEAT-RESISTANT NICKEL-BASE WROUGHT ALLOY AND ARTICLE MADE FROM THIS ALLOY | 2008 |
|
RU2365657C1 |
| HEAT-RESISTANT DEFORMED ALLOY ON BASE OF NICKEL AND ITEM MADE OF THIS ALLOY | 2014 |
|
RU2571674C1 |
| GRANULATED HIGH-TEMPERATURE NICKEL ALLOY AND PRODUCT MANUFACTURED THEREFROM | 2016 |
|
RU2623540C1 |
| FIREPROOF POWDERED ALLOY BASED ON NICKEL RESISTANT TO SULFIDE CORROSION AND PRODUCT MADE FROM IT | 2013 |
|
RU2516681C1 |
