D. B. Belykh, V. A. Zhabrev, and S. V. Zaitsev
Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences,
ul. Odoevskogo 24/2, St. Petersburg, 199155 Russia
Received February 12, 2002
Abstract—The influence of the chemical composition of sodium silicate, sodium calcium silicate, and sodium
aluminosilicate glass-forming melts on the kinetics of their interaction with a 92ZrO2 · 8Y2O3 cubic solid solu-
tion is investigated. It is demonstrated that the kinetics and the mechanism of interaction are determined by the
degree of dissociation of the anionic matrices of the melts under investigation. In turn, the degree of dissociation
depends on the chemical nature and concentration of oxides (modifiers and network-formers) and the temper-
ature. It is found that the process rate can be limited by the diffusion or chemical interaction depending on the
reaction conditions.
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