The sintering kinetics of periclase with brucite-aluminum phosphate binder was studied. A model that takes into account the role of the physical compaction and chemical binding in the presence of a binder during the heating process was used to determine the kinetic parameters. The strength of a conglomerate was due to the sintering itself as well as the action of the binder. The effective energy of activation of the sintering of periclase was determined: Ea = 287 ± 9 kJ/mole, which is close to the activation energy of oxygen diffusion in MgO. Spinel MgAl2O4, which slows the sintering process, forms in the material at high temperatures.
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Translated from Steklo i Keramika, No. 9, pp. 16 – 20, September, 2020.
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Filatova, N.V., Kosenko, N.F. & Glazkov, M.A. Sintering of Periclase with Brucite-Aluminum Phosphate Binder. Glass Ceram 77, 340–343 (2021). https://doi.org/10.1007/s10717-021-00303-1
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DOI: https://doi.org/10.1007/s10717-021-00303-1