A new structural model is proposed to explain the maximum in Tg observed in the 5-15mol% SiO2 content range of calcium aluminosilicate glasses with low silica contents, and a correlation between Tg and the concentration of O2 minus, determined by electron spin resonance, is presented.
Origin
Naval Research Laboratory, Washington Dc, Usa
Journal Title
Physics And Chemistry Of Glasses 1992 33 2 51-55
Sector
Special Glass
Class
S 633