Open Access
Review
Table 1
Comparison between the oxide ceramic Al2O3/ZrO2 and Al2O3/TiC composite [22].
| Cutting materials | Oxide ceramic Al2O3 + ZrO2 | Al2O3/TiC composite |
|---|---|---|
| Hardness (Vickers) | 2000 | 2200 |
| Modulus of elasticity (KN/mm2) | 390 | 400 |
| Bending strength (N/mm2) | 350 | 600 |
| Fracture toughness (mN/mm2) | 4.5 | 5.4 |
| Coefficient of thermal expansion (10−6K−1) | 7.5 | 7.0 |
| Thermal conductivity (W m−1 K−1) | 30 | 35 |
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