Method for treating ferrous alloy parts in order to improve the rubbing properties thereof without causing hardness loss or deformation
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United States of America Patent
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Feb 6, 2007
Grant Date -
Jul 29, 2004
app pub date -
Mar 28, 2002
filing date -
Apr 4, 2001
priority date (Note) -
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Abstract
A method for obtaining a ferrous alloy part that supports a very high seizure load with very low dispersion includes steps of covering the part with an iron sulphide coating having an appropriate thickness and Fe/S ratio, where the coating is selected from among those with surfaces having a fractal dimension that is at least equal to 2.6.
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