Method of forming bond coating for a thermal barrier coating

Details Method of forming bond coating for a thermal barrier coating Method of forming bond coating for a thermal barrier coating

2011-08-02

2011-08-02

Cleveland, Michael (Department: 1712)

Coating processes

Heat decomposition of applied coating or base material

C427S229000

Reexamination Certificate

active

07989020

ABSTRACT:
According to a method for forming a coating system on a turbine engine component substrate that comprises a nickel-based superalloy substrate having at least one refractory metal included therein, a nickel-based layer is formed on the substrate, the nickel-based layer comprising at least one active material selected from the group consisting of elemental silicon and a silicon compound. The at least one active material is then diffused into the substrate. An yttrium-modified platinum aluminide bond coating, or a MCrAlX bond coating, may be then formed over the active material-modified nickel-based layer.

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