Table 2: Corrosion data of the untreated and treated D2 steel samples in 3.5% NaCl solution.

Samples
(mV)

(μA/cm2)

(kΩ/cm2)

As initial−720.380.2974.37
D2-1−451.450.2393.06
D2-2−470.770.21101.27
D2-3−478.140.20105.69