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

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Abstract

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.

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Funding

Financial support was provided by the Russian Scientific Fund (project 20-79-00048).

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Authors and Affiliations

  1. Perm National Research Polytechnic University, Perm, Russia

    N. D. Ogleznev, T. R. Ablyaz, S. A. Oglezneva, K. R. Muratov, E. S. Shlykov & P. V. Maksimov

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  1. N. D. Ogleznev
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  2. T. R. Ablyaz
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  3. S. A. Oglezneva
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  4. K. R. Muratov
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  5. E. S. Shlykov
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  6. P. V. Maksimov
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Corresponding authors

Correspondence to N. D. Ogleznev, T. R. Ablyaz, S. A. Oglezneva, K. R. Muratov or E. S. Shlykov.

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Translated by B. Gilbert

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Ogleznev, N.D., Ablyaz, T.R., Oglezneva, S.A. et al. Relative Wear of Copper–Graphite Composite Electrodes in Electrical Discharge Machining. Russ. Engin. Res. 41, 466–468 (2021). https://doi.org/10.3103/S1068798X21050166

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  • DOI: https://doi.org/10.3103/S1068798X21050166

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