On the fluctuation structure of single-phase glasses in the SrO-B2O3-SiO2 system

被引：0
作者：
V. V. Golubkov
N. G. Tyurnina
Z. G. Tyurnina
V. L. Stolyarova
机构：
[1] Russian Academy of Sciences,Grebenshchikov Institute of Silicate Chemistry
[2] St. Petersburg State University,Faculty of Chemistry
来源：
Glass Physics and Chemistry | 2009年 / 35卷
关键词：
small- and large-angle X-ray scattering; structure; borosilicate glasses; SrO-B; O; -SiO; system;
D O I：
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学科分类号：
摘要：
The structure of single-phase glasses in the SrO-B2O3-SiO2 system has been studied by the small-and large-angle X-ray scattering technique. The glasses containing 35, 40, and 45 mol % SrO upon equimolar replacement of B2O3 by SiO2 have been investigated. It has been demonstrated that the glasses do not contain chemical inhomogeneity regions. The inhomogeneity of the glasses is determined only by thermal density fluctuations. The isothermal compressibility varies insignificantly upon replacement of B2O3 by SiO2 and decreases with an increase in the SrO content. The glass structure is consistent with the model of ideal associated solutions.
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页码：455 / 462
页数：7
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