The article discussed the problem of manufacturing boron carbide ceramics with high physical and mechanical characteristics. The problem of choosing raw powders and ceramic manufacturing technology is considered. The paper presents the results of research of domestic and imported boron carbide powders and shows the differences in their structure and properties. The results of domestic and imported boron carbide powders studies are presented; the differences in their structure and properties are shown. It is also shown that the grain shape and granulometric composition of the powders have a significant impact on the density of the blanks and the silicon content after reaction sintering, and the chemical composition of the powders affects the structure of the ceramics. The comparison of the structure and physical-mechanical properties of boron carbide ceramics based on domestic and imported powders showed the advantage of using powders produced by JSC “UNICHIM & EP” in most of physical-mechanical properties.
Natalia A. Golubeva – head of Sector, Laboratory 18, Joint Stock Company "Obninsk Research and Production Enterprise "Technologiya" named after A. G. Romashin", Obninsk, Kaluga Region, Russia
Natalia I. Ershova – scientific secretary, Candidate of Engineering Sciences, Joint Stock Company "Obninsk Research and Production Enterprise "Technologiya" named after A. G. Romashin", Obninsk, Kaluga Region, Russia
Larisa A. Plyasunkova – head researcher, Candidate of Engineering Sciences, Joint Stock Company "Obninsk Research and Production Enterprise "Technologiya" named after A. G. Romashin", Obninsk, Kaluga Region, Russia
Maksim G. Lisachenko – head of Laboratory, Candidate of Physico-Mathematical Sciences, Joint Stock Company "Obninsk Research and Production Enterprise "Technologiya" named after A. G. Romashin", Obninsk, Kaluga Region, Russia
Anatoliy S. Nechepurenko – Doctor of Technical Sciences, head of the Boron and Borides Department, Joint Stock Company "Urals Scientific-Research Institute of Chemicals with Experimental Plant", (JSC "UNICHIM & EP"), Yekaterinburg, Russia
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DOI: 10.14489/glc.2026.04.pp.020-028
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