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

Figure 5

Open circuit potentials of (a) Cr₂O₃ coating and (b) mild steel substrate and potentiodynamic polarisation responses for (c) Cr₂O₃ coating and (d) mild steel substrate in synthetic mine water at pH 6, 3, and 1 [26].

(a)

(b)

(c)

(d)