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UDC 621.9. 048.4

© M. U. Sarilov, A. M. Zlygostev, 2011

RESEARCH OF THE PLASMA CHANNEL AND THE MECHANISM OF HEAT TRANSFER DURING ELECTROSPARK PROCESSING

Physical sense and regularities of plasma existence in electrospark processing are considered. The role of plasma column for transfer of heat and electric energy in electrospark processing is discussed. It is shown that the accuracy of electrospark processing can be increased with external electromagnetic field.

Keywords: electrospark processing, the plasma channel, an interelectrode interval, a voltage of breakdown, an electric field, a magnetic field, plasma, thermal generation, a heat transfer, temperature, electric discharge, a plasma column

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