Research Article
[Retracted] Optimization and Mechanical Properties of TiO2 Reinforced AA 7150 Composites Using Response Surface Methodology
Table 5
Analysis of variance for ultimate tensile Stress.
| | Source | Df | Seq SS | Contribution (%) | Adj SS | Adj MS | F value | P value |
| | A | 1 | 8276.2 | 37.12 | 8359.8 | 8359.4 | 229.45 | 0.000 | | B | 1 | 2972.4 | 8.12 | 2972.1 | 2972.12 | 123.64 | 0.000 | | C | 1 | 7908.5 | 28.24 | 7909.7 | 7909.5 | 234.51 | 0.000 | | A A | 1 | 4169.3 | 13.91 | 4175.7 | 4175.4 | 129.63 | 0.000 | | B B | 1 | 609.4 | 2.32 | 608.4 | 608.5 | 17.08 | 0.121 | | C C | 1 | 1828.6 | 5.98 | 1828.6 | 1828.5 | 134.24 | 0.000 | | A B | 1 | 459.4 | 1.71 | 472.3 | 472.5 | 13.12 | 0.056 | | A C | 1 | 8.9 | 0.04 | 10.2 | 10.3 | 0.27 | 0.627 | | B C | 1 | 69.8 | 0.25 | 69.4 | 69.7 | 1.89 | 0.178 | | Error | 16 | 615.4 | 2.31 | 616.5 | 37.32 | | | | Total | 25 | 26917.9 | 100 | | | | |
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