Monolithic samples of functionally graded ceramic materials were fabricated via reaction sintering (siliconizing) of silicon carbide and diamond powders. The resulting materials are layered composites bonded by a continuous silicon carbide matrix through a reaction-diffusion mechanism. Structural characterization and physicomechanical testing of the multilayer ceramics were performed on prototype samples. The microstructural features of reaction-bonded materials based on silicon carbide and diamond–silicon carbide composites, both as monoliths and within multilayer architectures, are experimentally described. Recommendations are provided regarding the potential applications of functionally graded silicon-carbide-based ceramics with diamond particles in specialized engineering fields.
Mikhail A. Markov – Doctor of Technical Sciences, deputy head of the Laboratory "Technical Ceramics", National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
Anton N. Belyakov – Candidate of Technical Sciences, senior research fellow, National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
Alina D. Bykova – Candidate of Technical Sciences, head of the Laboratory "Technical Ceramics", National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
Margarita A. Glebova – engineer, National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
Alexey V. Ilyin – Doctor of Technical Sciences, chief researcher, National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
Daria A. Dyuskina – engineer of the 2rd category, National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
Alexander D. Kashtanov – Doctor of Technical Sciences, advisor to the general director, National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
Andrey G. Chekuryaev – engineer of the 2rd category, National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
Alexander N. Nikolaev – Candidate of Technical Sciences, senior research fellow, National Research Center "Kurchatov Institute" – Central Research Institute of Structural Materials "Prometey", St. Petersburg, Russia
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