Abstract
The high-temperature strength properties of silicon carbide-based ceramic materials reaction-sintered in air and vacuum are proved by experimental data. The ultimate bending strength of pressed and cast ceramic material samples at temperatures up to 1400°C was measured as a criterion. High-temperature tests demonstrate the guaranteed strength of ceramics above 100 MPa. An example of the manufacture of a complex shaped ceramic product using the hot slip casting processing under pressure into additive water-soluble forms is given. An approval of the combined technology makes it possible to manufacture bladed ceramic elements with a thickness of about 1 mm.
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Funding
This work was supported by the Russian Science Foundation grant no. 21-73-30019.
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D.A. Dyuskina, A.D. Bykova: preparation of the initial powder, molding of blanks, drying of blanks of complex shape obtained by hot slip casting, writing the section results and discussion; A.G. Chekuryaev: development of an additive mold from a water-soluble plastic based on polyvinyl alcohol, work on a hot slip casting plant, writing the section results and discussion; A.N. Belyakov, M.A. Markov: work on the setup of hot slip casting, design of illustrative material; S.N. Perevislov: carrying out the siliconization process, writing the introduction and experimental sections; S.V. Vikhman, A.D. Kashtanov, and M.A. Markov: modernization and testing of bending strength, writing experimental section.
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Translated from Zhurnal Prikladnoi Khimii, No. 1, pp. 21–26, August, 2023 https://doi.org/10.31857/S0044461823010036
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Markov, M.A., Vikhman, S.V., Belyakov, A.N. et al. High-Temperature Bending Tests of Reaction-Sintered Silicon Carbide-Based Ceramic Materials. Russ J Appl Chem 96, 16–20 (2023). https://doi.org/10.1134/S1070427223010032
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DOI: https://doi.org/10.1134/S1070427223010032