Table 3 Weight variation at 45 days of aluminum.
S. no. | Material | Initial weight (g) | Weight after 45 days (g) | Weight variation (g) | Corrosion rate (mm/year) | Protection efficiency (%) |
|---|---|---|---|---|---|---|
1 | Bare Al | 6.906 | 6.804 | 0.102 | 0.518 | – |
2 | Epoxy | 7.785 | 7.748 | 0.037 | 0.188 | 63.70 |
3 | GO-epoxy | 9.566 | 9.538 | 0.028 | 0.142 | 72.58 |
4 | GO-TTA-epoxy | 8.819 | 8.814 | 0.005 | 0.025 | 95.17 |