Thermodynamic Analysis as a Method of Picking Modifiers in Silicon Carbide Ceramic Technology

N. A. Makarov; D. Yu. Zhukov; M. A. Vartanyan; D. O. Lemeshev; E. E. Nazarov

doi:10.1007/s10717-017-9909-0

Thermodynamic Analysis as a Method of Picking Modifiers in Silicon Carbide Ceramic Technology

Authors: Makarov N.A.¹, Zhukov D.Y.¹, Vartanyan M.A.¹, Lemeshev D.O.¹, Nazarov E.E.¹
Affiliations:
1. D. I. Mendeleev Russian University of Chemical Technology, (Mendeleev RKhTU)
Issue: Vol 73, No 11-12 (2017)
Pages: 450-453
Section: Article
URL: https://journals.rcsi.science/0361-7610/article/view/244747
DOI: https://doi.org/10.1007/s10717-017-9909-0
ID: 244747

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Abstract

The change in the Gibbs energy of reactions where SiC interacts with oxides of different nature in the temperature range from 298 to 2300 K is calculated and analyzed for the purpose of picking modifiers for obtaining structural ceramics from SiC. On the basis of the obtained data CaO, MgO, SrO, Al₂O₃, Y₂O₃, Sc₂O₃, and lanthanide oxides can be recommended for the synthesis of modifiers in energy-efficient silicon-carbide ceramic technologies.