Table 1. Average electrochemical parameters of Pt discs patterned pure iron (uncoated pure iron as control).
Materials | Ecorr (V) | Icorr(μA·cm−2) | Vcorr(mm/year) | Corrosion rate (mg·cm−2·d−1) |
|
---|---|---|---|---|---|
Electrochemical test | Immersion test for 42 days | ||||
Uncoated pure iron | −0.69932 | 9.64230 | 0.11204 | 0.24127 | 0.14853 |
Φ4 μm × S4 μm | −0.88616 | 19.754 | 0.22256 | 0.47927 | 0.38324 |
Φ20 μm × S5 μm | −0.76282 | 17.698 | 0.20565 | 0.44285 | 0.34565 |
Note: Corrosion potential (Ecorr), corrosion current density (Icorr) and corrosion rate (Vcorr).