Method of producing a metallic part exhibiting excellent oxidation resistance
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United States of America Patent
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Oct 30, 2001
Grant Date -
May 31, 2001
app pub date -
Feb 22, 1999
filing date -
Feb 20, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a method of producing an oxidation-resistant metallic part which exhibits oxidation resistance even in an oxidation atmosphere. The method includes the step of applying mechanical energy to a surface of a metallic part in the presence of particulates, and forming a protective coating in a surface of the metallic part. When the metallic part thus treated is exposed in a high temperature-oxidation atmosphere, the protective coating is oxidized to restrain the proceeding of the oxidation of the metallic part, that is the internally proceeding formation of TiO.sub.2, thus serving a remarkable improvement of the oxidation resistance.
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