Research Article
Investigation of Corrosion Rate of Mild Steel in Fruit Juice Environment Using Factorial Experimental Design
Table 3
General factorial design with three process parameters and responses on mild steel.
| Experiment number | Media | Duration (days) | Thickness (mm) | Corrosion rate (mmpy) |
| 1 | 3 | 1 | 1 | 0.28 | 2 | 3 | 4 | 1 | 0.12 | 3 | 3 | 3 | 1 | 0.14 | 4 | 3 | 3 | 2 | 0.29 | 5 | 3 | 1 | 2 | 0.71 | 6 | 3 | 2 | 2 | 0.41 | 7 | 3 | 5 | 2 | 0.23 | 8 | 3 | 2 | 1 | 0.19 | 9 | 3 | 5 | 1 | 0.11 | 10 | 3 | 4 | 2 | 0.25 | 11 | 1 | 4 | 2 | 0.28 | 12 | 1 | 2 | 1 | 0.16 | 13 | 1 | 4 | 1 | 0.09 | 14 | 1 | 2 | 2 | 0.41 | 15 | 1 | 3 | 2 | 0.34 | 16 | 1 | 1 | 1 | 0.19 | 17 | 1 | 1 | 2 | 0.51 | 18 | 1 | 3 | 1 | 0.12 | 19 | 1 | 5 | 1 | 0.08 | 20 | 1 | 5 | 2 | 0.24 | 21 | 2 | 2 | 2 | 0.39 | 22 | 2 | 4 | 2 | 0.25 | 23 | 2 | 5 | 2 | 0.21 | 24 | 2 | 4 | 1 | 0.21 | 25 | 2 | 2 | 1 | 0.35 | 26 | 2 | 1 | 1 | 0.48 | 27 | 2 | 1 | 2 | 0.54 | 28 | 2 | 5 | 1 | 0.08 | 29 | 2 | 3 | 2 | 0.31 | 30 | 2 | 3 | 1 | 0.27 |
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