	US 11,873,543 B2
	Nickel-based superalloy having high mechanical and environmental strength at high temperatures and low density
Jérémy Rame, Moissy-Cramayel (FR); and Edern Menou, Moissy-Cramayel (FR)
Assigned to SAFRAN, Paris (FR)
Appl. No. 17/425,908
Filed by SAFRAN, Paris (FR)
PCT Filed Jan. 15, 2020, PCT No. PCT/FR2020/050052 § 371(c)(1), (2) Date Jul. 26, 2021, PCT Pub. No. WO2020/157406, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 1900915 (FR), filed on Jan. 31, 2019.
Prior Publication US 2022/0119924 A1, Apr. 21, 2022
Int. Cl. C22C 19/05 (2006.01); F01D 5/28 (2006.01)

CPC C22C 19/057 (2013.01) [F01D 5/28 (2013.01); F05D 2240/12 (2013.01); F05D 2300/175 (2013.01)]

14 Claims

1. A nickel-based superalloy comprising, in weight percent, 6.1 to 6.3% aluminum, 9.5 to 10.5% cobalt, 4.5 to 4.7% chromium, 0.1 to 0.2% hafnium, 0.3 to 0.7% molybdenum, 3.7 to 4.5% rhenium, 7.5 to 8.5% tantalum, 0.2 to 0.7% titanium, 3.2 to 4% tungsten, 0 to 0.1% silicon, the balance consisting of nickel and unavoidable impurities.