Research Article
Inhibition Effect of Natural Pozzolan and Zinc Phosphate Baths on Reinforcing Steel Corrosion
Table 6
, , , the passivity range, and the inhibition efficiency for the coated steel specimens and the bare steel.
| Zinc phosphate bath | I (μA/cm2) | (V/SCE) | (V/SCE) | Passivity range (V/SCE) | Inhibition efficiency (%) |
| Bare steel (Reference) | 10.3 | -0.626 | -0.081 | 0.545 | - | ZnP | 2.4 | -0.646 | 0.134 | 0.78 | 76.7 | ZnP-Mn | 1.6 | -0.586 | 0.243 | 0.829 | 84.5 | ZnP-Ni | 0.7 | -0.521 | 0.468 | 0.989 | 93.2 | ZnP-Cu | 0.5 | -0.416 | 0.594 | 1.01 | 95.1 |
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