An Electrochemical Impedance Study of AISI 321 Stainless Steel in 0.5 M H₂SO₄

Figure 5

Physical models for metal/passive film/solution system: (a) Model A, (b) Model B, (c) Model C, (d) Model D, (e) Model E, and (f) Model F.

(a)

(b)

(c)

(d)

(e)

(f)