Invention Grant
- Patent Title: Oxidation-resistant coated superalloy
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Application No.: US17029572Application Date: 2020-09-23
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Publication No.: US11518143B2Publication Date: 2022-12-06
- Inventor: Joel Larose , Alan D. Cetel , David A. Litton , Brian S. Tryon
- Applicant: Pratt & Whitney Canada Corp.
- Applicant Address: CA Longueuil
- Assignee: Pratt & Whitney Canada Corp.
- Current Assignee: Pratt & Whitney Canada Corp.
- Current Assignee Address: CA Longueuil
- Agency: Bachman & LaPointe, P.C.
- Main IPC: B32B15/01
- IPC: B32B15/01 ; B32B15/04 ; C23C30/00 ; C23C14/02 ; C23C14/16 ; C23C14/58 ; C23C14/14 ; C23C28/00 ; C23C28/02 ; C22C5/04 ; C22C19/05 ; C22C19/03 ; C22C30/00 ; F01D5/28
Abstract:
A coating-substrate combination includes: a Ni-based superalloy substrate comprising, by weight percent: 2.0-5.1 Cr; 0.9-3.3 Mo; 3.9-9.8 W; 2.2-6.8 Ta; 5.4-6.5 Al; 1.8-12.8 Co; 2.8-5.8 Re; 2.8-7.2 Ru; and a coating comprising, exclusive of Pt group elements, by weight percent: Ni as a largest content; 5.8-9.3 Al; 4.4-25 Cr; 3.0-13.5 Co; up to 6.0 Ta, if any; up to 6.2 W, if any; up to 2.4 Mo, if any; 0.3-0.6 Hf; 0.1-0.4 Si; up to 0.6 Y, if any; up to 0.4 Zr, if any; up to 1.0 Re, if any.
Public/Granted literature
- US20210001603A1 Oxidation-Resistant Coated Superalloy Public/Granted day:2021-01-07
Information query
