Table 2.
Fracture toughness of layered Al2O3/PMMA composites with different initial solid phase content.
| Initial solid phase content | 15% | 17.5% | 20% | 22.5% | 25% |
| Fracture toughness (MPa·m1/2) | 31.7695 | 17.038 | 23.978 | 20.488 | 28.797 |
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