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Circuit parameters calculated from the fitting of the EIS spectra at corrosion potential to the equivalent circuit from Figure 10b.
| Alloy | Rs (Ω·cm2) |
Y0p·105 (S·sn/cm2) 0 < n < 1 |
no | Rl (Ω·cm2) |
Y0c·105 (S·sn/cm2) 0 < n < 1 |
nc | Rc (kΩ·cm2) |
χ2·104 |
|---|---|---|---|---|---|---|---|---|
| Ti–5Ta | 34.2 | 1.72 | 0.59 | 500.6 | 2.71 | 0.89 | 153.1 | 7.24 |
| Ti–15Ta | 59.0 | 9.90 | 0.78 | 887.5 | 17.6 | 0.91 | 322.4 | 4.37 |
| Ti–25Ta | 11.5 | 1.74 | 0.72 | 14.5 | 4.31 | 0.94 | 577.3 | 4.89 |
| Ti–30Ta | 27.1 | 6.13 | 0.79 | 28.1 | 1.10 | 0.90 | 485.9 | 1.88 |
