Research Article
In Vitro Corrosion Studies of Surface Modified NiTi Alloy for Biomedical Applications
Table 5
Potentiodynamic polarization results of untreated and treated alloys.
| | Sample | (mV) | (nA/cm2) | (mV) | (μA/cm2) | Corrosion rate (mm/year) |
| | Bare NiTi | −470 ± 28 | 770 ± 36 | 490 ± 35 | 19 ± 0.7 | 6.98 × 10−3 | | EP20V | −292 ± 14 | 6 ± 0.3 | 1142 ± 78 | 4.2 ± 0.1 | 5.35 × 10−5 | | EP20VPIE | −215± 15 | 5 ± 0.3 | 1010 ± 70 | 0.36 ± 0.08 | 4.26 × 10−5 |
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