Table 1 Corrosion potential (Ecorr), corrosion current density (icorr), and corresponding Tafel slopes in the anodic and cathodic regions.
Locations | Ecorr (vs. AgCl), V | icorr (A/cm2) × 10−7 | Tafel slope (anodic) mV/dec* | Tafel slope (cathodic) mV/dec |
|---|---|---|---|---|
Point 1 | − 1.62 | 2.49 × 10−5 | 9.2 | − 13.3 |
Point 2 | − 1.48 | 4.52 × 10−5 | 6.1 | − 14.4 |
Point 3 | − 1.26 | 8.06 × 10−5 | 7.8 | − 13.1 |
Point 4 | − 1.56 | 1.48 × 10−5 | 14.5 | − 13.3 |
Point 5 | − 1.53 | 1.66 × 10−4 | 24.1 | − 13.01 |
Point 6 | − 0.94 | 7.78 × 10−6 | 5.7 | − 11.0 |
Point 7 | − 0.84 | 4.97 × 10−5 | 5.6 | − 13.2 |
Point 8 | − 0.73 | 9.61 × 10−7 | 4.5 | − 26.5 |
