Table 2.
The results of the EIS curves of the Zn-Mn-Mg alloys and fabricated by the MAO with different NaF concentrations from 0.5 g/L to 2.5 g/L in Hank’s solution at 37 °C.
| NaF (g/L) | R1 (Ω cm2) | CPE1 (μF/cm2) | R2 (Ω cm2) | R3 (Ω cm2) | CPE2 (μF/cm2) |
|---|---|---|---|---|---|
| - | 43.56 ± 0.08 | 0.79554 ± 0.00006 | 4497 ± 5 | - | - |
| 0.5 | 50.53 ± 0.11 | 0.49847 ± 0.00008 | 85.33 ± 0.09 | 2900 ± 12 | 0.75837 ± 0.00008 |
| 1 | 46.45 ± 0.09 | 0.44991 ± 0.00005 | 85.75 ± 0.11 | 2224 ± 9 | 0.84871 ± 0.0001 |
| 1.5 | 43.92 ± 0.07 | 0.48519 ± 0.00004 | 34.9 ± 0.3 | 1859 ± 6 | 0.84904 ± 0.00009 |
| 2 | 94.93 ± 0.15 | 0.50795 ± 0.00005 | 42.51 ± 0.15 | 2576 ± 13 | 0.82355 ± 0.00006 |
| 2.5 | 52.28 ± 0.12 | 0.47861 ± 0.00003 | 62.28 ± 0.0.27 | 3541 ± 12 | 0.78621 ± 0.00007 |