Research Article
Characterisation and Properties of Lithium Disilicate Glass Ceramics in the SiO2-Li2O-K2O-Al2O3 System for Dental Applications
Table 4
The comparison on calculated flaw sizes of Glasses LD1–LD4 after being heat-treated at 750°C, 800°C, and 850°C.
| | Glasses | 750°C | 800°C | 850°C | | (MPa m1/2) | (MPa) | (m) | (MPa m1/2) | (MPa) | (m) | (MPa m1/2) | (MPa) | (m) |
| | LD1 | 1.80 | 396.24 | 6.56 | 3.59 | 388.05 | 27.25 | 2.69 | 256.06 | 35.21 | | LD2 | 1.91 | 383.62 | 7.86 | 3.72 | 471.39 | 19.81 | 2.30 | 295.55 | 19.31 | | LD3 | 1.44 | 353.17 | 5.26 | 7.25 | 404.94 | 102.17 | 7.88 | 317.01 | 196.87 | | LD4 | 1.19 | 251.82 | 7.10 | 3.58 | 489.73 | 16.98 | 2.76 | 388.78 | 16.03 |
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