US 12,258,655 B2
Nickel-based alloy
David Crudden, Begbroke (GB); and Andre Nemeth, Begbroke (GB)
Assigned to ALLOYED LIMITED, Kidlington (GB)
Filed by ALLOYED LIMITED, Kidlington (GB)
Filed on Mar. 6, 2023, as Appl. No. 18/117,828.
Application 18/117,828 is a continuation of application No. 16/634,406, granted, now 11,634,792, previously published as PCT/GB2018/052124, filed on Jul. 27, 2018.
Claims priority of application No. 1712196 (GB), filed on Jul. 28, 2017.
Prior Publication US 2023/0220519 A1, Jul. 13, 2023
Int. Cl. C22C 19/05 (2006.01); B33Y 70/00 (2020.01)
CPC C22C 19/056 (2013.01) [B33Y 70/00 (2014.12)] 19 Claims
OG exemplary drawing
 
1. A nickel-based alloy composition consisting, in weight percent, of: 1.0 to 3.5% aluminium, 0.0 to less than 3.0% titanium, 0.0 to 6.0% niobium, 0.0 to 4.9% tantalum, 0.0 to 5.4% tungsten, 0.0 to 4.0% molybdenum, 8.9 to 30.0% cobalt, more than 15.0% to 20.6% chromium, 0.02 to 0.35% carbon, 0.001 to 0.2% boron, 0.001 to 0.5% zirconium, 0.0 to 5.0% rhenium, 0.0 to 8.5% ruthenium, 0.0 to 4.6 percent 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 6.0% iron, 0.0 to 0.5% copper, 0.0 to 0.5% hafnium, the balance being nickel and incidental impurities, wherein the following equations are satisfied in which WNb, WTa, WTi, WMo, WAl, WRe and WRu are the weight percent of niobium, tantalum, titanium, molybdenum, aluminium, rhenium and ruthenium in the alloy respectively
4.2≤(WW+0.92WRe+1.58WRu)+WMo
WAl+0.5WTi+0.3WNb+0.15WTa≤4.0
and
3.0≤WAl+0.5WTi+1.5(0.3WNb+0.15WTa).