	US 11,753,701 B2
	Nickel-based alloy for additive manufacturing and method
Christoph Heinze, Markkleeberg (DE); and Yves Küsters, Berlin (DE)
Assigned to Siemens Energy Global GmbH & Co. KG, Bayern (DE)
Appl. No. 17/416,494
Filed by Siemens Energy Global GmbH & Co. KG, Bayern (DE)
PCT Filed Dec. 6, 2019, PCT No. PCT/EP2019/083955 § 371(c)(1), (2) Date Jun. 20, 2021, PCT Pub. No. WO2020/135995, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 10 2018 251 722.3 (DE), filed on Dec. 27, 2018.
Prior Publication US 2022/0064762 A1, Mar. 3, 2022
Int. Cl. C22C 1/04 (2023.01); B22F 10/28 (2021.01); C22C 19/05 (2006.01); B22F 10/25 (2021.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01)

CPC C22C 1/0433 (2013.01) [B22F 10/25 (2021.01); B22F 10/28 (2021.01); C22C 19/055 (2013.01); B22F 2301/15 (2013.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12)]

13 Claims

1. A nickel-base superalloy consisting of (in % by weight):

carbon (C) 0.13%-0.17%

chromium (Cr) 21%-22%

cobalt (Co) 18%-20%

tungsten (W) 1.8%-2.2%

titanium (Ti) 3.0%-3.4%

aluminum (Al) 2.1%-3.0%

boron (B) 0.008%-0.012%

zirconium (Zr) 0.0025%-0.01%

tantalum (Ta) 1.6%-2.5%

niobium (Nb) 1.2%-1.6%

yttrium (Y) 0.0025%-0.0075%

optionally:

yttrium oxide (Y₂O₃) 0.25%-1.25%

optionally and especially not more than:

vanadium (V) 0.01%

hafnium (Hf) 0.01%

silver (Ag) 0.005%

lead (Pb) 0.0003%

selenium (Se) 0.0003%

oxygen (O) 0.005%

gallium (Ga) 0.001%

bismuth (Bi) 0.0001%

nitrogen (N) 0.005%

magnesium (Mg) 0.007%

tellurium (Te) 0.00005%

thallium (Tl) 0.0005%

calcium (Ca) 0.0001%

potassium (K) 0.0001%

silicon (Si) 0.02%

manganese (Mn) 0.01%

iron (Fe) 0.02%

copper (Cu) 0.01%

phosphorus (P) 0.005%

sulfur (S) 0.001%

molybdenum (Mo) 0.1%

other impurities 0.1%

nickel (Ni) balance.