Process for forming a coating of chromium and nitrogen having go

Details Process for forming a coating of chromium and nitrogen having go Process for forming a coating of chromium and nitrogen having go

1996-03-29

1997-09-30

Beck, Shrive

Coating processes

Coating by vapor, gas, or smoke

Metal coating

4272552, 4272557, C23C 1634

Patent

active

056723865

ABSTRACT:
A coating containing chromium and nitrogen is formed on the surface of a substrate. The chromium concentration of the coating is continuously and gradually increased from the substrate surface in a perpendicular direction toward the surface of the coating. A coating having good wear resistance and initial conformability is obtained.

REFERENCES:
patent: Re34173 (1993-02-01), Kerber
patent: 4428811 (1984-01-01), Sproul et al.
patent: 4919773 (1990-04-01), Naik
patent: 4943486 (1990-07-01), Uchiyama
patent: 5160537 (1992-11-01), Terrat et al.

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