US 12,221,674 B2
Nickel-based alloy for high-temperature applications, and method
Martin Gotterbarm, Uttenreuth (DE); Magnus Hasselqvist, Finspong (SE); Christoph Heinze, Markkleeberg (DE); and Martin Schäfer, Berlin (DE)
Assigned to Siemens Energy Global GmbH & Co. KG, Bayern (DE)
Appl. No. 17/423,887
Filed by Siemens Energy Global GmbH & Co. KG, Bayern (DE)
PCT Filed Jan. 10, 2020, PCT No. PCT/EP2020/050506
§ 371(c)(1), (2) Date Jul. 18, 2021,
PCT Pub. No. WO2020/156779, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 10 2019 201 095.4 (DE), filed on Jan. 29, 2019.
Prior Publication US 2022/0119922 A1, Apr. 21, 2022
Int. Cl. C22C 19/05 (2006.01); B22F 10/25 (2021.01); B22F 10/28 (2021.01); C22C 1/04 (2023.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01)
CPC C22C 19/056 (2013.01) [B22F 10/25 (2021.01); B22F 10/28 (2021.01); C22C 1/0433 (2013.01); B22F 2301/15 (2013.01); B22F 2999/00 (2013.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12)] 11 Claims
 
1. A nickel-base alloy, comprising (in % by weight):
 
 
 
 chromium (Cr)  14.0%-16.0%,
 
 cobalt (Co) 5.0%-6.0%
 
 molybdenum (Mo) 0.8%-1.0%
 
 tungsten (W) 3.5%-4.0%
 
 aluminum (Al) 4.5%-5.0%
 
 carbon (C) 0.04%-0.1% 
 
 boron (B) 0.002%-0.013%
 
 tantalum (Ta) 7.4%-7.8%
 
 hafnium (Hf) 0.05%-0.15%
 
 zirconium (Zr) <0.01%
 
 silicon (Si) <0.02%
 
 impurities 0.002%-0.01%,