Research Article
[Retracted] Optimization and Mechanical Properties of TiO2 Reinforced AA 7150 Composites Using Response Surface Methodology
Table 11
The optimal parameters and outcomes. Overall, the desirability rating is 0.94.
| Optimal parameters | | Temperature | Speed | Time | 780.1°C | 568 rev/min | 23 minutes | Predicted values | Experimental value | Deviation (%) |
| Compressive strength | 496.8 Mpa | 489.4 Mpa | 1.51 | Elastic modulus | 98.2 GPa | 101.5 GPa | 2.82 | Impact strength | 5.4 kJ/m2 | 5.67 kJ/m2 | 4.38 | Microhardness | 120.4 HV | 118.4 HV | 1.98 | Ultimate tensile strength | 660.5 MPa | 639.4 MPa | 2.59 |
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