Oxidation-resistant coated superalloy

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United States of America Patent

PATENT NO 12103267
APP PUB NO 20230046594A1
SERIAL NO

17978470

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
PRATT & WHITNEY CANADA CORP1000 MARIE VICTORIN LONGUEUIL J4G 1A1

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cetel, Alan D West Hartford, US 68 617
Larose, Joel Longueuil, CA 10 28
Litton, David A West Hartford, US 112 797
Tryon, Brian S Redwood City, US 61 255

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