IP Library › Granted Patent US 12,428,705
Granted Patent B2
US 12,428,705 · App. 18/009,417 · Granted Sep 30, 2025

Nickel-based alloy, powder, method and component

Inventors: Christoph Heinze (Markkleeberg, DE); Yves Küsters (Berlin, DE); Michael Ott (Mülheim an der Ruhr, DE)
Assignee: Siemens Energy Global GmbH & Co. KG
C22C19/056B22F10/28C22C1/0433C22C19/057B22F2301/15B33Y10/00B33Y70/00B33Y80/00
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,428,705
App. No.
18/009,417
Granted
Sep 30, 2025
Kind
B2
Abstract

A nickel-based alloy which includes at least the following alloy elements in wt. %: cobalt (Co) 10.3-10.7, chromium (Cr) 9.8-10.2, tungsten (W) 9.3-9.7, aluminum (Al) 5.2-5.7, hafnium (Hf) 1.8-2.2, tantalum (Ta) 1.9-2.1, molybdenum (Mo) 0.4-0.6, the remainder being nickel and impurities.

Claims (53)

1. A nickel-based alloy comprising at least the following alloy elements in wt %:

cobalt (Co) 10.3-10.7,

chromium (Cr) 9.8-10.2,

tungsten (W) 9.3-9.7,

aluminum (Al) 5.2-5.7,

hafnium (Hf) 1.8-2.2,

tantalum (Ta) 1.9-2.1,

molybdenum (Mo) 0.4-0.6,

the balance comprising nickel and impurities.

2. A component, comprising:

an alloy as claimed in claim 1 .

3. A component, consisting of:

an alloy as claimed in claim 1 .

4. The nickel-based alloy as claimed in claim 1 , comprising at least the following alloy elements in wt %:

cobalt (Co) 10.55-10.65,

chromium (Cr) 9.8-10.9,

tungsten (W) 9.35-9.45,

aluminum (Al) 5.35-5.45,

hafnium (Hf) 1.85-1.95,

tantalum (Ta) 1.95-2.05,

molybdenum (Mo) 0.40-0.6,

the balance comprising nickel and impurities.

5. The nickel-based alloy as claimed in claim 1 , comprising at least the following alloy elements in wt %:

cobalt (Co) 10.6,

chromium (Cr) 9.8,

tungsten (W) 9.4,

aluminum (Al) 5.4,

hafnium (Hf) 1.9,

tantalum (Ta) 2.0,

molybdenum (Mo) 0.5,

carbon (C) 0.06,

the balance comprising nickel and impurities.

6. The nickel-based alloy as claimed in claim 1 ,

wherein the alloy additionally comprises carbon (C) with a fraction of between 0.04 and 0.08 wt %.

7. The nickel-based alloy as claimed in claim 1 ,

wherein the alloy additionally comprises boron (B) and/or zirconium (Zr) with a fraction of between 0.0025 and 0.01 wt %.

8. The nickel-based alloy as claimed in claim 1 ,

wherein the fractions of silicon, manganese, phosphorus, sulfur, titanium, boron, zirconium, iron, copper, silver, lead, selenium, bismuth and magnesium are each less than 0.1 wt %.

9. The nickel-based alloy as claimed in claim 8 ,

wherein the fractions of silicon, manganese, phosphorus, sulfur, titanium, boron, zirconium, iron, copper, silver, lead, selenium, bismuth and magnesium are each less than 0.05 wt %.

10. The nickel-based alloy as claimed in claim 8 ,

wherein the fractions of silicon, manganese, phosphorus, sulfur, titanium, boron, zirconium, iron, copper, silver, lead, selenium, bismuth and magnesium are each less than 0.05 wt %, and in the case of silicon is less than 0.02 wt %.

11. A powder, comprising:

an alloy as claimed in claim 1 .

12. A component produced from a powder as claimed in claim 11 .

13. The powder as claimed in claim 11 , comprising:

additives for additive manufacturing.

14. A method for producing a component, comprising:

using an alloy as claimed in claim 1 .

15. The method as claimed in claim 14 ,

wherein the method is an additive manufacturing method.

16. The method as claimed in claim 15 ,

wherein the method is a selective laser sintering or a selective laser melting.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 9, 2022
From: HEINZE, CHRISTOPH; KÜSTERS, YVES; OTT, MICHAEL
To: SIEMENS AKTIENGESELLSCHAFT
Reel/Frame 062038/0269 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 9, 2022
From: SIEMENS AKTIENGESELLSCHAFT
To: SIEMENS ENERGY GLOBAL GMBH & CO. KG
Reel/Frame 062038/0337 →
Priority Claims (1)
DE 10 2020 207 910.2 · Jun 25, 2020 · national
Continuity (1)
Related Publication 20230220518A1 · Jul 13, 2023
References Cited (23)
US 4061495A · Selman · 1977 [cited by applicant]
US 11193186B2 · Kiese · 2021 [cited by applicant]
US 20090123690A1 · Scholl · 2009 [cited by applicant]
US 20120273468A1 · Arjakine · 2012 [cited by applicant]
US 20130228302A1 · Rickenbacher · 2013 [cited by applicant]
US 20140191017A1 · Arjakine et al. · 2014 [cited by applicant]
US 20180002785A1 · Dial · 2018 [cited by applicant]
US 20190249277A1 · Hasselqvist · 2019 [cited by applicant]
CN 102596485A · 2012 [cited by applicant]
CN 103084573A · 2013 [cited by applicant]
CN 103702793A · 2014 [cited by applicant]
CN 110303163A · 2019 [cited by applicant]
DE 2530245A1 · 1976 [cited by applicant]
DE 102005001198A1 · 2006 [cited by applicant]
DE 102017113780A1 · 2018 [cited by applicant]
DE 102016221470A1 · 2018 [cited by applicant]
DE 102017007106B4 · 2020 [cited by applicant]
EP 3034639A1 · 2016 [cited by applicant]
WO 2018083065A1 · 2018 [cited by applicant]
WO 2021259750A1 · 2021 [cited by applicant]
PCT International Search Report and Written Opinion of International Searching Authority mailed Oct. 11, 2021 corresponding to PCT International Application No. PCT/EP2021/066388 filed Jun. 17, 2021. [cited by applicant]
Wang, Xiqian et al: “Microstructure and yield strength of SLM-fabricated CM247LC Ni-Superalloy”; Acta Materialia, Elsevier, Oxford, GB; vol. 128, Feb. 7, 2017 (Feb. 7, 2017), pp. 87-95, XP029944500. [cited by applicant]
Catchpole, S. Smith et al: “Fractal scan strategies for selective laser melting of ‘unweldable’ nickel superalloys”; Additive Manufacturing, vol. 15, May 1, 2017 (May 1, 2017), pp. 113-122, XP055559354. [cited by applicant]