Carbon bearing MCrAlY coating

Details Carbon bearing MCrAlY coating Carbon bearing MCrAlY coating

1979-10-15

1981-06-23

Newsome, John H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

75240, 427 34, 427423, 428678, 428679, 428937, B05D 110

Patent

active

042751241

ABSTRACT:
A protectively coated superalloy has improved oxidation, corrosion, and wear resistance at elevated temperatures. The protective coating is a MCrAlY type alloy having a carbon content of 0.6 to 11 percent and is characterized in a preferred embodiment by having a carbon bearing matrix containing metal carbides of 1-2 microns mean size and chromium carbides of less than 12 microns. The coating is preferredly produced by plasma spraying and heat treatment.

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