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Article

Study of the EDM Process of Bimetallic Materials Using a Composite Electrode Tool

1
Mechanical Engineering Faculty, Perm National Research Polytechnic University, 614000 Perm, Russia
2
Department of Automobiles and Automotive Industry, Tula State University, 300012 Tula, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Milena Kušnerová
Materials 2022, 15(3), 750; https://doi.org/10.3390/ma15030750
Received: 23 December 2021 / Revised: 14 January 2022 / Accepted: 16 January 2022 / Published: 19 January 2022
(This article belongs to the Special Issue Surface Processing of Steels: Materials, Techniques and Applications)
New types of profile products make complex use of bimetals. These materials possess a set of properties such as strength, corrosion resistance, thermal conductivity, heat resistance, wear resistance. For the processing of such products, it is advisable to use electrophysical processing methods, one of which is the technology of copy-piercing electrical discharge machining (EDM). Currently, EDM is one of the most common methods for processing products from modern bimetal materials. An urgent task is to study the EDM process of bimetallic materials. The aim of the work was to increase the efficiency and accuracy of the EDM process of bimetallic products using electrode-tools with different physical and mechanical properties. Bimetal—weld coated steel backing, base material—09G2S steel, surfacing material—M1 copper were used. The processing of the bimetallic workpiece was carried out on an Electronica Smart CNC copy-piercing EDM machine. EI used graphite, copper, and composite. A theoretical model was developed that allows calculation of the amount of removal of bimetallic material of steel–copper depending on the EDM modes and the ET (electrode tool) material. During the processing of the steel layer, regardless of the EI material, microcracks were formed along the grain boundaries, and during the processing of the copper layer, enlarged holes resulted. View Full-Text
Keywords: electro-discharge machining; cutting conditions; electrode; bimetallic material electro-discharge machining; cutting conditions; electrode; bimetallic material
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MDPI and ACS Style

Ablyaz, T.R.; Shlykov, E.S.; Muratov, K.R.; Zhurin, A.V. Study of the EDM Process of Bimetallic Materials Using a Composite Electrode Tool. Materials 2022, 15, 750. https://doi.org/10.3390/ma15030750

AMA Style

Ablyaz TR, Shlykov ES, Muratov KR, Zhurin AV. Study of the EDM Process of Bimetallic Materials Using a Composite Electrode Tool. Materials. 2022; 15(3):750. https://doi.org/10.3390/ma15030750

Chicago/Turabian Style

Ablyaz, Timur R., Evgeny S. Shlykov, Karim R. Muratov, and Alexander V. Zhurin. 2022. "Study of the EDM Process of Bimetallic Materials Using a Composite Electrode Tool" Materials 15, no. 3: 750. https://doi.org/10.3390/ma15030750

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