Relative Wear of Copper–Graphite Composite Electrodes in Electrical Discharge Machining

Relative Wear of Copper–Graphite Composite Electrodes in Electrical Discharge Machining

The influence of the pulse energy on the performance of copper electrodes with added graphite in the electrospark piercing of tool steel is studied. With increase in the pulse current, the electrode wear increases, if the other parameters are unchanged. In absolute terms, the wear is less in the pre...

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Veröffentlicht in:Russian engineering research 2021, Vol.41 (5), p.466-468
Hauptverfasser: Ogleznev, N. D., Ablyaz, T. R., Oglezneva, S. A., Muratov, K. R., Shlykov, E. S., Maksimov, P. V.
Format: Artikel
Sprache:eng
Schlagworte:
Copper
Electric discharges
Engineering
Engineering Design
Graphite
Machining
Tool steels
Wear
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Zusammenfassung:The influence of the pulse energy on the performance of copper electrodes with added graphite in the electrospark piercing of tool steel is studied. With increase in the pulse current, the electrode wear increases, if the other parameters are unchanged. In absolute terms, the wear is less in the presence of thermally expanded graphite and greater in the presence of colloidal graphite.
ISSN:1068-798X
1934-8088
DOI:10.3103/S1068798X21050166