ELECTRODE FOR DISCHARGE SURFACE TREATMENT AND MANUFACTURING METHOD THEREOF AND DISCHARGE SURFACE TREATMENT METHOD AND DEVICE

WIPO Patent Application WO/1999/058744

A1

A discharge surface treatment method for forming a hard coating (16) on the surface of a workpiece (2) by using energy of discharge generated between an electrode (14) and the workpiece (2), wherein a pulse-form arch discharge, a continuous arch discharge, or an arch discharge consisting of the continuous arch discharge and an intermittent arch discharge is generated between the electrode (14) and the workpiece (2) and the hard coating (16) is formed on the surface of the workpiece (2) by the energy of the arch discharge; the electrode (14) being formed by using as its material metal powder, metal alloy powder, ceramic-based material powder or a mixture of the powders, compression-molding the electrode material and firing the resultant material at a temperature for fusing part of binding materials used in the electrode material.

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MORO TOSHIO (JP)
GOTO AKIHIRO (JP)

PCT/JP1999/002460

November 18, 1999

May 13, 1999

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MITSUBISHI ELECTRIC CORP (JP)
MORO TOSHIO (JP)
GOTO AKIHIRO (JP)

C23C26/00; C23C26/02; (IPC1-7): C23C26/00

JPH09108834A	1997-04-28
JPH07197275A	1995-08-01
JPH07278781A	1995-10-24

Miyata, Kaneo (Marunouchi 2-chome Chiyoda-ku Tokyo, JP)

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