Indian Journal of Materials Science

Research Article

Effects of M2+ (M = Ca, Sr, and Ba) Addition on Crystallization and Microstructure of SiO2-MgO-Al2O3-B2O3-K2O-F Glass

Table 1

Composition (wt%) and dilatometric thermal properties of different precursor glasses.
Glass identityK2OaAlkaline earthaDensityCTE (×10−6/K)
(wt%)(±1°C)(±1°C)(50–500°C)
M-1902.645986777.55
M-245 CaO2.616096586.97
M-345 SrO2.556036626.79
M-445 BaO2.656096646.67
Added in with base glass of 39 SiO2-12 MgO-16 Al2O3-10 B2O3-12 MgF2-1 Li2O-1 AlPO4 (wt%).