Research Article
Effects of M2+ (M = Ca, Sr, and Ba) Addition on Crystallization and Microstructure of SiO2-MgO-Al2O3-B2O3-K2O-F Glass
Table 3
Variation of CTE of different glass-ceramics heat-treated at 1050°C for 4 h.
| | Sample identity | Coefficient of thermal expansion (×10−6/K) | | 50–300°C | 50–500°C | 50–700°C | 50–800°C | 50–900°C |
| | M-1 | 8.35 | 8.69 | 12.15 | 13.38 | 13.57 | | M-2 | 6.71 | 7.20 | 11.58 | 12.66 | 12.42 | | M-3 | 7.16 | 7.56 | 9.43 | 9.54 | 9.47 | | M-4 | 6.89 | 7.23 | 9.51 | 10.91 | 11.05 |
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