Research Article
Dry Sliding Wear Behaviour of Titanium (Grade 5) Alloy by Using Response Surface Methodology
Table 4
The results of ANOVA table for quadratic model for specific wear rate × 10−1 (mm3/Nm).
| Source | Sum of squares | df | Mean square | value | Prob. > | |
| Model | 1.59 | 9 | 0.18 | 331.67 | <0.0001 | Significant | -speed | | 1 | | 4.23 | 0.0667 | | -load | 1.14 | 1 | 1.14 | 2149.00 | <0.0001 | | -sliding distance | 0.046 | 1 | 0.046 | 86.98 | <0.0001 | | | | 1 | | 12.44 | 0.0055 | | | | 1 | | 2.85 | 0.1225 | | | | 1 | | 8.49 | 0.0155 | | | | 1 | | 16.43 | 0.0023 | | | 0.061 | 1 | 0.061 | 114.28 | <0.0001 | | | 0.11 | 1 | 0.11 | 204.11 | <0.0001 | | Residual | | 10 | | | | | Lack of fit | | 5 | | 3.91 | 0.0805 | Not significant | Pure error | | 5 | | | | | Cor total | 1.59 | 19 | | | | | S.D. | 0.023 | -squared | 0.9967 | | Mean | 2.68 | Adjusted -squared | 0.9937 | | C.V% | 0.86 | Predicted -squared | 0.9653 | | PRESS | 0.055 | Adeq Precision | 55.817 | |
|
|