Density and microhardness of glasses in the SrO-B2O3-SiO2 system |
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| Authors: | N. G. Tyurnina Z. G. Tyurnina S. I. Sviridov |
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| Affiliation: | (1) Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, nab. Makarova 2, St. Petersburg, 199034, Russia |
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| Abstract: | The density d at a temperature of 25°C is measured by the hydrostatic weighing method, the Vickers microhardness H V is determined, and the fluctuation free volume fraction f g is calculated for glasses in the SrO-B2O3-SiO2 system with a constant strontium oxide content in the range from 35 to 45 mol %. It is demonstrated that the quantities H V and f g decrease and the density d increases with an increase in the SrO content. |
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