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

Figure 3

Impedance spectra for AISI 321 stainless steel in 0.5 M H₂SO₄ solution as a function of film formation potential: (a) Nyquist plots and (b) Bode plots.

(a)

(b)