Research Article

Corrosion Behaviour of a Cr2O3 Coating on Mild Steel in Synthetic Mine Water

Table 2

Potentiodynamic polarisation results of Cr2O3 coatings and mild steel substrates in synthetic mine water at pH 6, 3, and 1 [26].

pHSample (mV) (μA/cm2)Corrosion rate (mm/y)

6Cr2O3 coating
Mild steel
3Cr2O3 coating
Mild steel
1Cr2O3 coating
Mild steel