Research Article
Effect of TaC/Ti/Si3N4 Hard Ceramics on Mechanical and Microstructural Behaviour of AA7075 Processed through Stir Casting Process
Table 2
Properties of matrix and reinforcing phase.
| S. No. | Properties | Matrix | Reinforcement materials | AA7075 | Si3N4 | TaC | Ti |
| 1 | Density (g/cm3) | 2.81 | 3.17 | 14.3 | 4.506 | 2 | Melting point (°C) | 700 | 1900 | 3900 | 1668 | 3 | Hardness | 60–150 BHN | 13.5–20 HV | 830–2340 HV | 2,200 BHN | 4 | Elastic modulus (GPa) | 70–80 | 28–46 | 537 | 106 psi | 5 | Tensile strength (MPa) | 280 | 490 | — | 345 |
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