Method of depositing a wear resistant seal coating and seal...

Details Method of depositing a wear resistant seal coating and seal... Method of depositing a wear resistant seal coating and seal...

2008-10-07

2010-12-14

La Villa, Michael (Department: 1784)

Coating processes

Spray coating utilizing flame or plasma heat

Inorganic carbon containing coating, not as steel

C427S451000, C427S205000, C427S404000, C205S179000

Reexamination Certificate

active

07851027

ABSTRACT:
It is disclosed a method of depositing a seal coating and a seal system comprising at least two layers on the surface of an article. The upper or surface layer has a higher chromium activity than a bottom layer, to reduce a diffusion of cobalt and the formation of cobalt oxide is reduced. The coating of invention may be heat-treated to reduce or optimize the formation of cobalt oxide to sustain the wear property.

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