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

2010-06-01

Mayes, Melvin C (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C106S001050, C428S612000

Reexamination Certificate

active

07727318

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 palladium, platinum, rhodium, or combinations thereof, hafnium, titanium, zirconium, or combinations thereof; and can further include silicon, germanium, or combinations thereof, wherein the composition results in improved Al retention properties. Also disclosed herein are articles comprising the coatings.

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