Table 4 Electrochemical impedance parameters.
From: Nanoengineered t-ZrO2 coatings for superior corrosion resistance on steel surfaces
System | Nyquist plot | IE (%) | ||
|---|---|---|---|---|
Rct (Ω cm2) | Cdl (F/cm2) | Impedance log (Z/Ω) | ||
MS + H2SO4 | 1769 | 2.090 × 10−8 | 713.6 | – |
MS + H2SO4 + 0.2 M ZrO2 NPs | 14,715 | 0.631 × 10−8 | 17,729.02 | 88.2 |