DISC ROTOR
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Feb 21, 2013
filing date -
Feb 23, 2012
priority date (Note) -
Abandoned
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Abstract
Provided is a disc rotor formed of graphite-containing cast iron and having high corrosion resistance. For a disc rotor formed of graphite-containing cast iron, after removal of graphite present adjacent a surface of the disc rotor through a graphite removing treatment, a nitride layer and an oxynitride layer are laminated one after another on the surface through a gas nitrocarburizing treatment.
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