Inventors:
Ganjiang Feng - Greenville SC, US
Canan Uslu Hardwicke - Simpsonville SC, US
Melvin Robert Jackson - Corea ME, US
Assignee:
General Electric Company - Schenectady NY
International Classification:
C23C 16/18
C23C 16/00
C25D 1/08
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.