Method for treating the surface of a part and resulting part
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United States of America Patent
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Jul 11, 2006
Grant Date -
Mar 11, 2004
app pub date -
Apr 18, 2001
filing date -
Apr 19, 2000
priority date (Note) -
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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).
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