High temperature, creep-resistant aluminum alloy microalloyed with manganese, molybdenum and tungsten

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United States of America

PATENT NO 12195834
APP PUB NO 20230095011A1
SERIAL NO

17861972

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Abstract

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A method of forming an aluminum alloy component including melting and solidifying an aluminum alloy, solution treating the aluminum alloy, and heat treating the aluminum alloy. The aluminum alloy includes scandium, zirconium, erbium, silicon, at least one of molybdenum and tungsten, manganese and the balance aluminum and incidental impurities. The concentration of the alloying elements, in atom %, is greater than 0.0 and less than or equal to 0.15 scandium, greater than 0.0 and less than or equal to 0.35 zirconium, greater than 0.0 and less than or equal to 0.15 erbium, greater than 0.0 and less than or equal to 0.2 silicon, greater than 0.0 and less or equal to 0.75 molybdenum when included, greater than 0.0 and less than or equal to 0.35 tungsten when included.

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Patent OwnerAddress
NORTHWESTERN UNIVERSITY633 CLARK STREET EVANSTON IL 60208

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boileau, James M Novi, US 4 15
De, Luca Anthony Dübendorf, CH 5 8
Dunand, David C Evanston, US 26 226
Ghaffari, Bita Ann Arbor, US 8 25
Seidman, David N Skokie, US 7 34

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