Patent ID: 11898228
Assignee: ROLLS-ROYCE PLC
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 2:
3. A nickel-cobalt based superalloy as claimed in claim 1 comprising by atomic percentage:
9-11.5 percent aluminium;
1.5 to 3 percent tungsten;
0.25-1.6 percent tantalum;
0.3-2.5 percent titanium; and
up to 1 percent niobium;
wherein a combined atomic percentage of aluminium, tantalum, titanium, niobium and 0.62 of tungsten in the nickel-cobalt based superalloy is between 12.5 and 16.25 percent to provide substantially 50 to 65 percent by volume gamma prime precipitates.