Research Article
Microstructure and Mechanical Property of Hot-Pressed Al2O3-Ni-P Composites Using Ni-P-Coated Al2O3 Powders
Table 1
Ni contents and material properties of Al2O3 and hot-pressed Al2O3-Ni-P composites.
| | Ni content (wt.%) | Hardness (kgf/mm2) | Relative density (g/L) | Fracture toughness (MPa·m1/2) |
| Al2O3 | — | 1834 | 96.2% | 2.6 | Al2O3-10 wt.% Ni3P | 10.9 | 2130 | 98.0% | 5.1 | Al2O3-15 wt.% Ni3P | 14.4 | 2358 | 99.1% | 5.9 | Al2O3-20 wt.% Ni3P | 20.4 | 2185 | 98.5% | 4.7 |
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