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High-precision machining of silicon carbide SiC is complicated and requires a high flow of abrasive, usually diamond tool. The design results of the TT (Thermostable Tool) diamond tool for SiC machining were presented in this work. To increase the organic bonded diamond tool efficiency, the authors used a thermally conductive polymer composite with 5–10 W/mK conductivity as a binder. Fine carbon was used to improve heat dissipation fr om the area wh ere tool contacts with the machined material. A tool was manufactured and tested using diamond powders with a grain size of 200–2 µm. According to testing results, the diamond tool with a new TT binder (with 100–10 mcm grain size) and modified TT5M binder (with 5 mcm grain size) in rough and finish grinding has proven to surpass loose abrasive in the form of diamond suspensions and pastes and traditional bonded diamond tools in terms of material removal rate and machining quality. The tool ensures the lowest depth of the disrupted fissured layer and roughness reduction of the treated surface. Thus, it is possible to minimize the time of subsequent polishing in finish grinding. The designed bonded diamond tool based on the organic TT binder can be effectively used in the full circle SiC machining in mass production.
  • Key words: silicon carbide SiC, grinding, bonded diamond tool, loose abrasive
  • Published in: TECHNOLOGICAL PROCESSES
  • Bibliography link: Kondratenko V. S., Isaev A. A., Kadomkin V. V., Biryukov G. M., Borodynkin I. I., Tambovskiy A. D. Design of the diamond tool for machining silicon carbide. Izv. vuzov. Elektronika = Proc. Univ. Electronics. 2026;31(4):418–426. (In Russ.). DOI: 10.24151/1561-5405-2026-31-4-418-426.TFPOMB
Anton A. Isaev
MIREA – Russian Technological University, Russia, 107076, Moscow, Stromynka st., 20
Grigory M. Biryukov
MIREA – Russian Technological University, Russia, 107076, Moscow, Stromynka st., 20

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