Research Article
Optimization and Mechanical Characteristics of AA6061/Zirconia Nanocomposites Fabricated by Ultrasonic-Aided Stir Casting Method
Table 2
Processing factors and its levels.
| | Processing factors | Level 1 | Level 2 | Level 3 | Level 4 |
| | Ultrasonic therapy power (KW) (A) | 1.75 | 2 | 2.25 | 2.5 | | UST time (min) (B) | 5 | 10 | 15 | 20 | | Pouring temperature (°C) (C) | 750 | 800 | 850 | 900 | | Squeezing pressure (MPa) (D) | 100 | 150 | 200 | 250 | | Weight percentage of reinforcement (wt%) (E) | 2 | 3 | 4 | 5 |
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