Method for treating the surface of a part and resulting part

Details Method for treating the surface of a part and resulting part Method for treating the surface of a part and resulting part

2006-07-11

2006-07-11

Meeks, Timothy (Department: 1762)

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of coating supply or source outside of primary...

C148S206000, C148S222000

Reexamination Certificate

active

07074460

ABSTRACT:
A surface treatment method in which a surface of a part (7) is contacted with at least one activated species. The activated species is obtained by activating a gaseous medium containing at least two of the following elements: carbon, nitrogen, boron and oxygen. Preferably, the activated species is a neutral excited CN species. The activated species brings at least one interstitial element to the metal part (7) surface which is borne and maintained at a temperature enabling the interstitial element to be diffused into a surface layer of the metal part (7).

REFERENCES:
patent: 3968957 (1976-07-01), Asai et al.
patent: 5794761 (1998-08-01), Renaud et al.
patent: 5989363 (1999-11-01), Georges
patent: 41 24 600 (1994-01-01), None
patent: 801 142 (1997-10-01), None
patent: 2 261 227 (1993-05-01), None
patent: 2000072415 (2000-03-01), None
patent: WO 99 04056 (1999-01-01), None
patent: WO 00 25170 (2000-05-01), None

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