An Electrochemical Impedance Spectroscopic Study of the Passive State on AISI 304 Stainless Steel

Figure 1

Impedance spectra for AISI 304 stainless steel in 0.5 M H₂SO₄ solution as a function of film formation potential: (a) Nyquist plots and (b) Bode plots.

(a)

(b)