Effect of Red Mud on the Corrosion of Reinforced Concrete Studied by Electrochemical Impedance Spectroscopy

Figure 6

Impedance spectra (Nyquist and Bode diagrams) of concrete samples without red mud and with red mud contents of 10, 20, and 30 wt%: (a) 1 month; (b) 2 months; (c) 3 months; (d) 5 months; (e) 7 months; (f) 9 months; (g) 11 months; (h) 13 months of age.