| 摘要 |
An electric-discharge surface treatment method in which a compressed powder electrode obtained by compression-molding metal powder, metal compound powder, or ceramics powder, or a metal electrode is used as an electrode, and pulsed electric discharge is generated between the electrode and a material to be treated so that a hard coating composed of an electrode material or a substance obtained by reaction of the electrode material in response to energy of the electric discharge is formed on a surface of the material to be treated by the energy of the electric discharge; wherein the method uses an electrode in which carbon or graphite powder, or a substance for producing carbon in response to energy of electric discharge is mixed into the electrode material.
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