The Pitting Susceptibility Investigation of Passive Films Formed on X70, X80, and X100 Pipeline Steels by Electrochemical Noise and Mott-Schottky Measurements

Figure 6

Electrochemical noise pattern of the passive films formed on (a) X70, (b) X80, and (c) X100 pipeline steels.

(a)

(b)

(c)