CVD condeposition of A1 and one or more reactive (gettering)...

Details CVD condeposition of A1 and one or more reactive (gettering)... CVD condeposition of A1 and one or more reactive (gettering)...

2011-03-08

2011-03-08

Austin, Aaron (Department: 1784)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S650000, C428S680000, C428S615000, C416S24100B

Reexamination Certificate

active

07901788

ABSTRACT:
CVD aluminide coatings including a small concentration of a reactive, gettering element for surface active impurities dispersed therein are formed for improved oxidation resistance. The aluminide coatings are formed by CVD codeposition of Al and the gettering element on the substrate using coating gases for the gettering element generated either outside or inside the coating retort depending on the chlorination temperature needed for the particular gettering element.

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