Table 4.
Electrochemical parameters obtained from EIS measurements.
| Sample Code |
A * | B * | ||||||
|---|---|---|---|---|---|---|---|---|
| R1 (ohm * cm2) |
R2 (kohm * cm2) | Cdl (pF/cm2) | IE (%) |
R1 (ohm * cm2) | R2 (kohm * cm2) | Cdl (pF/cm2) | IE (%) |
|
| OL | 111.80 | 6.48 | 43.69 106 | - | 45.83 | 37.50 | 84.87 106 | - |
| Sr | 63.83 | 41.43 | 307.30 | 84.35 | 38.52 | 49.53 | 321.20 | 24.29 |
| S1 | 92.99 | 20,600.00 | 691.90 | 99.97 | 41.63 | 17,350.00 | 366.80 | 99.78 |
| S2 | 132.00 | 405.90 | 43.90 | 98.40 | 224.00 | 596.30 | 53.37 | 93.71 |
| S3 | 70.04 | 390.40 | 290.10 | 98.34 | 40.90 | 501.70 | 225.80 | 92.53 |
A: after 30 min immersion in the 3.5% NaCl solution; B: after the accelerated corrosion test in the 3.5% NaCl solution.