Table 2 Equivalent circuit fitting data of EIS data of samples with ADP under static liquid film.
From: Corrosion behavior of X80 pipeline steel local defect pits under static liquid film
Thickness (mm) | Time (h) | Rs (Ω cm2) | Qdl (Ω-1 cm-2 s–n) | ndl | Rct (Ω cm2) | L (H cm-2) | RL (Ω cm2) |
|---|---|---|---|---|---|---|---|
1 | 1 | 20.92 | 9.8E−4 | 0.6614 | 210.4 | 234.7 | 406.3 |
2 | 20.00 | 8.7E−4 | 0.6747 | 298.0 | 168.3 | 411.4 | |
3 | 20.53 | 4.5E−4 | 0.7869 | 250.3 | |||
8 | 20.69 | 3.6E−4 | 0.8008 | 349.5 | |||
13 | 21.78 | 3.9E−4 | 0.7872 | 378.3 | |||
16 | 22.36 | 3.9E−4 | 0.7910 | 376.2 | |||
2.5 | 1 | 12.11 | 7.7E−4 | 0.7507 | 159.4 | 356.7 | 527.9 |
3 | 11.59 | 7.2E−4 | 0.7580 | 249.6 | 259.6 | 552.7 | |
6 | 11.49 | 6.8E−4 | 0.7488 | 365.5 | 264.8 | 653.2 | |
7 | 11.78 | 4.6E−4 | 0.8248 | 261.7 | |||
12 | 11.48 | 5.0E−4 | 0.8065 | 306.3 | |||
16 | 11.49 | 5.0E−4 | 0.8124 | 332.4 | |||
4.5 | 1 | 10.14 | 6.9E−4 | 0.7519 | 167.6 | 355.5 | 582.9 |
4 | 10.34 | 7.2E−4 | 0.8064 | 175.3 | 636.9 | 514.5 | |
7 | 10.53 | 7.8E−4 | 0.8171 | 189.5 | 745.2 | 609.5 | |
8 | 10.66 | 6.6E−4 | 0.8539 | 199.5 | |||
12 | 10.66 | 6.3E−4 | 0.8540 | 224.7 | |||
16 | 10.51 | 6.3E−4 | 0.8425 | 255.2 | |||
6 | 1 | 8.35 | 7.4E−4 | 0.7689 | 131.0 | 442.6 | 458.8 |
5 | 8.28 | 7.8E−4 | 0.789 | 163.6 | 394.2 | 464.7 | |
9 | 8.10 | 7.3E−4 | 0.789 | 249.5 | 660.1 | 862.3 | |
10 | 8.49 | 6.2E−4 | 0.8156 | 227.7 | |||
13 | 7.95 | 6.6E−4 | 0.8004 | 228.2 | |||
16 | 7.96 | 7.3E−4 | 0.7844 | 244.9 | |||
8 | 1 | 7.21 | 6.6E−4 | 0.7788 | 134.9 | 543.5 | 417.5 |
5 | 7.10 | 6.6E−4 | 0.8152 | 162.5 | 581.6 | 507.8 | |
9 | 7.10 | 6.4E−4 | 0.8160 | 220.9 | 714.0 | 713.8 | |
13 | 7.25 | 5.2E−4 | 0.8459 | 235.5 | |||
14 | 7.10 | 5.0E−4 | 0.8411 | 298.0 | |||
16 | 7.46 | 4.9E−4 | 0.8389 | 341.4 |
