Synergism of the Initial Stage of Removal of Dielectric Materials during Electrical Erosion Processing in Electrolytes

Ceramics and composites, many of whose physicochemical properties significantly exceed similar properties of metals and their alloys, are processed qualitatively mainly by the electroerosion method. Despite the existing works, the mechanism of the initial stage of the removal of materials has not ye...

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Bibliographic Details
Published in:Surface engineering and applied electrochemistry 2023-12, Vol.59 (6), p.712-718
Main Authors: Zaripov, A. A., Khalilov, U. B., Ashurov, Kh. B.
Format: Article
Language:English
Subjects:
Cavitation
Dielectrics
Electroerosion (machining)
Electrolytes
Engineering
Machinability
Machines
Manufacturing
Processes
Synergistic effect
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Summary:Ceramics and composites, many of whose physicochemical properties significantly exceed similar properties of metals and their alloys, are processed qualitatively mainly by the electroerosion method. Despite the existing works, the mechanism of the initial stage of the removal of materials has not yet been identified. For a comprehensive understanding of the mechanism of the removal of dielectrics, a new model is proposed based on the experimental results obtained on an improved electroerosion installation. It was revealed that the initial stage of the removal of a dielectric material consists of three successive stages that are associated with the synergistic effect on the process of the anionic group of electrolytes, plasma flare, and the cavitation shock. This makes it possible to better understand the mechanism of the removal of composite and ceramic materials, which should contribute to ensuring the machinability of those materials and their wide use in promising technologies.
ISSN:1068-3755
1934-8002
DOI:10.3103/S1068375523060194