The mass change of silicon samples with different initial density, apparent density, ultimate strength and phase composition during nitridation in the nitrogen pressure range 0.002 – 18 MPa is followed. It is shown that rate of the reaction of nitrogen and silicon increases up to nitrogen pressure 1.5 MPa; at higher nitrogen pressures the growth of the reaction rate slows down. Ceramic with relative density 90% and ultimate bending strength 540 MPa was obtained at kilning temperature 1710°C. Ceramic parts serviceable under the actual operating conditions of a real motor have been fabricated for internal combustion engines.
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This work was performed under the direction of Doctor of Technical Sciences, Professor Iosif Yakovlevich Guzman.
Translated from Steklo i Keramika, No. 10, pp. 6 – 11, October, 2012.
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Bendovskii, E.B. Silicon nitridation at different nitrogen pressures. Glass Ceram 69, 324–329 (2013). https://doi.org/10.1007/s10717-013-9471-3
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DOI: https://doi.org/10.1007/s10717-013-9471-3