A composite material based on the B4C–SiC system with different initial carbon contents was obtained by reaction sintering (impregnation of a porous billet with liquid silicon). Carbon reacted with silicon to form a secondary silicon carbide that filled the space in the porous workpiece until a monolithic material was obtained. Boron carbide acted as the source of carbon if it was initially absent or its content was low. The obtained materials had the following characteristics: bending strength up to 320 MPa, density up to 2.85 g/cm3, microhardness up to 30 GPa.
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Translated from Novye Ogneupory, No. 2, pp. 29 – 33, February, 2023
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Belyakov, A.N., Markov, M.A., Perevislov, S.N. et al. Investigation of the Structure and Physicomechanical Characteristics of Reaction-Sintered Materials B4C–SiC. Refract Ind Ceram 64, 67–70 (2023). https://doi.org/10.1007/s11148-023-00806-0
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DOI: https://doi.org/10.1007/s11148-023-00806-0