Structural Equilibria in Silicate Glass Melts Investigated by Raman Spectroscopy

• Published in: Journal of the American Ceramic Society Vol. 89; no. 1; pp. 89 - 95
• Main Authors: Yano, Tetsuji, Shibata, Shuichi, Maehara, Terutaka
• Format: Journal Article
• Language: English
• Published: Malden, USA Blackwell Science Inc 01.01.2006; Blackwell; Wiley Subscription Services, Inc
• Subjects: Applied sciences; Building materials. Ceramics. Glasses; Ceramics; Chemical industry and chemicals; Entropy; Exact sciences and technology; Glass; Glasses; Manufacture; Materials science; Mathematical analysis; Melting; Melts; Phase separation; Physical properties; Silica; Silicates; Spectrum analysis; Tetrahedrons; Alkali metal Silicates; Theoretical study; Entropy; Glass structure; Glass melt; High temperature; Experimental study; Raman spectrum; Thermodynamic equilibrium

Structural equilibria of alkali silicate glasses and melts are investigated based on the Qn fractions (n=number of bridging oxygen in SiO4 tetrahedron) obtained from high‐temperature Raman spectra. A mathematical treatment of the entropy of mixing, ΔSmix, of structural groups of Qn is conducted and...