Abstract—
The sintering ability and mechanical characteristics of the materials obtained by sintering in the ZrB2–SiC–MoSi2 system are investigated. The density, linear coefficient of thermal expansion 4.9–6.1 × 10–6 K–1, ultimate strength in the bending of ceramic specimens (σmax = 460 MPa), and elastic modulus (up to 360 MPa) are determined; and the microstructure is investigated. The phase composition of some ceramics, in addition to the initial components, contains new phases: MoB, ZrC, and Mo4.8Si3C0.6.
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ACKNOWLEDGMENTS
The work was performed using the equipment of the Engineering Center of St. Petersburg State Institute of Technology.
Funding
This study was supported by the Russian Science Foundation, grant no. 19-73-10180.
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Motailo, E.S., Lisyanskii, L.A., Vikhman, S.V. et al. Physical and Mechanical Properties of Composite Ceramics in the ZrB2–SiC–MoSi2 System. Glass Phys Chem 47, 646–652 (2021). https://doi.org/10.1134/S1087659621060237
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DOI: https://doi.org/10.1134/S1087659621060237