Surface strengthening method

A method for strengthening a surface of a metal member. The method includes the following steps in the sequence set forth: (a) coating the surface of the metal member with a carbon-based film having a thickness of not smaller than 0.2 μm; and (b) repeatedly applying a pressing force onto the surface...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kumagai, Masao, Jimbo, Yoshio, Yakabe, Fumiya
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for strengthening a surface of a metal member. The method includes the following steps in the sequence set forth: (a) coating the surface of the metal member with a carbon-based film having a thickness of not smaller than 0.2 μm; and (b) repeatedly applying a pressing force onto the surface of the film-coated metal member in a condition of maintaining a contact pressure of not lower than 2.5 GPa at the surface of the film-coated metal member.