The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12624420 B1

Date of Patent:

May. 12, 2026

Filed:

Jun. 12, 2023

Oxidation and srz resistant coatings on nickel superalloys

Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventor:

Joël Larose, Longueuil, CA;

Assignee:

Pratt & Whitney Canada Corp., Longueuil, CA;

Attorney:

Bachman & LaPointe, P.C.

Primary Examiner:

Michael E La Villa

Int. Cl.

CPC ...

C22C 19/05 (2006.01); B22D 21/02 (2006.01); B32B 15/01 (2006.01); B32B 15/04 (2006.01); C22C 19/00 (2006.01); C22F 1/10 (2006.01); C23C 14/02 (2006.01); C23C 14/16 (2006.01); C23C 14/32 (2006.01); C23C 28/00 (2006.01); C23C 28/02 (2006.01); C23C 30/00 (2006.01); F01D 5/28 (2006.01);

U.S. Cl.

CPC ...

C22C 19/057 (2013.01); B22D 21/025 (2013.01); B32B 15/01 (2013.01); B32B 15/016 (2013.01); B32B 15/017 (2013.01); B32B 15/04 (2013.01); B32B 15/043 (2013.01); C22C 19/00 (2013.01); C22C 19/051 (2013.01); C22C 19/056 (2013.01); C22C 19/058 (2013.01); C22F 1/10 (2013.01); C23C 14/025 (2013.01); C23C 14/16 (2013.01); C23C 14/325 (2013.01); C23C 28/021 (2013.01); C23C 28/022 (2013.01); C23C 28/023 (2013.01); C23C 28/30 (2013.01); C23C 28/32 (2013.01); C23C 28/3215 (2013.01); C23C 28/322 (2013.01); C23C 28/34 (2013.01); C23C 28/345 (2013.01); C23C 28/3455 (2013.01); C23C 30/00 (2013.01); C23C 30/005 (2013.01); F01D 5/28 (2013.01); F01D 5/286 (2013.01); F01D 5/288 (2013.01); F05D 2230/31 (2013.01); F05D 2260/95 (2013.01); F05D 2300/171 (2013.01); F05D 2300/1723 (2013.01); F05D 2300/173 (2013.01); F05D 2300/611 (2013.01); Y10T 428/12458 (2015.01); Y10T 428/12611 (2015.01); Y10T 428/12618 (2015.01); Y10T 428/12931 (2015.01); Y10T 428/12944 (2015.01);

Abstract

An article has a nickel-based alloy substrate having, in weight percent: 5.4-7.4 Re; 4.1-5.9 Ru; 3.0-6.2 Cr; 3.0-10.0 Co; 0.5-3.8 Mo; 3.0-6.0 W; 4.6-8.6 Ta; 5.0-6.4 Al; 0.050-0.30 Hf; no more than 0.50 all other elements, if any, individually; and no more than 2.0 all other elements, if any, combined. A nickel-based coating is on the substrate and comprising, in weight percent: 6.0-10.0 Al; 4.0-15.0 Cr; 11.0-15.0 Co; 0.1-1.0 Hf; 0.1-1.0 Si; 0.1-1.0 Y; up to 1.0 Zr if any; up to 7.0 Ta if any; up to 6.0 W if any; no more than 1.0 all other elements, if any, individually; and no more than 4.0 all other elements, if any, combined.

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