Viscosity and shrinkage of porous and quartzoid glasses of the Na2O-B2O3-SiO2 system |
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| Authors: | S. V. Stolyar T. V. Antropova D. V. Petrov I. N. Anfimova |
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| Affiliation: | (1) Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, St. Petersburg, Russia |
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| Abstract: | Shrinkage of porous glasses on heating from 20 to 800°C was studied and temperature dependences of the viscosity in the range of 1011–1013 P were determined for quartzoid (sintered) glasses based on five glasses with different compositions in the Na2O-B2O3-SiO2 system. The shrinkage of porous glasses and the viscosity of quartzoid glasses were analyzed in relation to their composition and temperature of preliminary thermal treatment. |
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