Funct. Mater. 2019; 26 (1): 78-82.
Phase formation in the SiC-Al2O3-ZrO2 system during hot pressing by the method of electroconsolidation
1V.N. Karazin Kharkiv National University, 4 Svoboda sq., Kharkiv, 61022, Ukraine
2Faculty of Mechanical Engineering, Kazimierz Pulaski University of Technology and Humanities in Radom, Krasickiego Str. 54, Radom, 26-600, Poland
The composition changes in the electroconsolidation of powdered ceramic materials based on SiC with Al2O3 and ZrO2 contents are considered. Analyzed possible mechanisms of decrease of compaction ability due to chemical reactions and phase composition changes. The influence of nanodispersed powders on the formation of a eutectic composition during liquid-phase sintering and compaction of a material is shown. The nanocomposite material based on β-SiC, satisfying the requirements of a polyfunctional material obtained.
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