Table 1.
Properties and crystalline phases of the composites
| Samples | Bulk density (g/cm3) | Relative density (%) | Fracture toughness (MPa·m1/2) | Bending strength (MPa) | Crystalline phases | |
| Major | Secondary | |||||
| Sintered at 1860 °C | 3.19 | 96.1 | 5.7 | 486 | 6H-SiC | YAG | 
| Sintered at 1950 °C | 3.11 | 93.7 | 4.9 | 437 | 6H-SiC | YAG | 
| Sintered at 2000 °C | 3.01 | 89.2 | 3.3 | 356 | 6H-SiC | YAG |