Electrochemical Estimation of the Corrosion Rate of Magnesium/Aluminium Alloys

Figure 1

Impedance Bode diagrams as a function of immersion time in 3.5 wt.% NaCl solution for tested specimens of (a) Mg metal and AZ31 alloy and (b) AZ80 and AZ91D alloys.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)