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Fitting parameters of the electric equivalent circuit for CP-Ti, Ti-6Al-4V and Ti-23Hf-3Mo-4Sn alloys in SBF at 37 °C.
| Material | Rs (Ω·cm2) | Rb (Ω·cm2) | CPEb (S·sncm−2) | n1 | Rp (Ω·cm2) | CPEp (S·sncm−2) | n2 |
|---|---|---|---|---|---|---|---|
| CP-Ti | 12.4 | 8.3 × 105 | 9.4 (±0.1) × 10−6 | 0.95 | 7.2 × 103 | 1.8 (±0.1) × 10−5 | 0.88 |
| Ti-6Al-4V | 13.6 | 9.5 × 105 | 9.2 (±0.2) × 10−6 | 0.97 | 1.8 × 104 | 1.1 (±0.1) × 10−5 | 0.90 |
| Ti-23Hf-3Mo-4Sn | 14.5 | 1.7 × 106 | 8.1 (±0.1) × 10−6 | 0.99 | 1.9 × 104 | 0.9 (±0.1) × 10−5 | 0.91 |
