Invention Grant
US07727318B2 Metal alloy compositions and articles comprising the same 有权
金属合金组合物及其制品

Metal alloy compositions and articles comprising the same
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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