Metal alloy compositions and articles comprising the same

Details Metal alloy compositions and articles comprising the same Metal alloy compositions and articles comprising the same

2007-01-09

2010-12-07

Mayes, Melvin C (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C106S001050, C428S612000

Reexamination Certificate

active

07846243

ABSTRACT:
Improved compositions are described for the protection of gas turbine parts at elevated temperatures. The compositions are of the MCrAlY type, wherein M is selected from nickel, or a combination of nickel with cobalt, iron, or combinations thereof. The compositions further comprise ruthenium, rhenium, or a combination thereof, a Group 4 metal (e.g., hafnium, zirconium, titanium), and can further include silicon and/or germanium, where the composition results in improved aluminum diffusion properties. Also disclosed herein are articles comprising the composition.

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