Publication number: 20220316031
Abstract: A nickel-based alloy composition consisting, in weight percent, of: 4.0 to 5.6% aluminium, 0 0 to 1.0% titanium, 0.0 to 4.0% niobium, 0.0 to 11.9% tantalum, 2.0 to 12.7% tungsten, 0.0 to 3.0% molybdenum, 0.0 to 22.0% cobalt, 6.0 to 16.7% chromium, 0.02 to 0.35% carbon, 0.001 to 0.2% boron, 0.00 to 0.5% zirconium, 0.0 to 3.0% rhenium, 0.0 to 2.0% ruthenium, 0.0 to 3.0% iridium, 0.0 to 0.5% vanadium, 0.0 to 1.0% palladium, 0.0 to 1.0% platinum, 0.0 to 0.5% silicon, 0.0 to 0.1% yttrium, 0.0 to 0.1% lanthanum, 0.0 to 0.1% cerium, 0.0 to 0.003% sulphur, 0.0 to 0.25% manganese, 0.0 to 0.1 magnesium, 0.0 to 4.0% iron, 0.0 to 0.5% copper, 0.0 to 1.0% hafnium, the balance being nickel and incidental impurities, wherein the following equations are satisfied in which WNb, and WTa are the weight percent of niobium and tantalum respectively 1.1?0.3WNb+0.15WTa.
Type:
Application
Filed:
June 3, 2020
Publication date:
October 6, 2022
Inventors:
David CRUDDEN, John William Gordon CLARK, Andre NEMETH