Erosion coefficient of electrocontact processing of metals by a vibrating electrode-tool in electrolyte
Автор: Shestakov I.Y., Shestakov V.I., Remizov I.A.
Журнал: Siberian Aerospace Journal @vestnik-sibsau-en
Рубрика: Technological processes and material science
Статья в выпуске: 1 vol.24, 2023 года.
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Technological indicators of electrocontact processing of metals with a vibrating electrode-tool in an electrolyte have been studied quite fully. Knowledge of the erosion coefficient of this processing method will allow us to evaluate the performance of electrocontact processing in advance, at the stage of technological preparation of production. The article presents the methodology of the experiment, describes the installation based on a linear electrodynamic motor, which allows you to create a vibration of the electrode-tool and electrolyte flow in the interelectrode gap. The results of experimental studies are shown in the form of a graph of the dependence of the metal erosion coefficient on the water velocity in the interelectrode gap at various current densities. Based on the results and previous studies, it was assumed that the erosion coefficient depends in direct proportion on the voltage in the interelectrode gap and is inversely proportional to the volumetric heat capacity of the metal and its melting temperature. Based on the theory of electrical contacts and taking into account the features of electrocontact processing in the electrolyte, the definition of voltage in the contact zone has been refined. The theoretical value of the erosion coefficient exceeds the experimental value by two or more times.
Erosion coefficient, electrocontact processing, vibrating electrode-tool, electrolyte, current density, melting voltage
Короткий адрес: https://sciup.org/148329687
IDR: 148329687 | DOI: 10.31772/2712-8970-2023-24-1-204-210
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