Fig. 37
Bode plots of impedance module and phase angle for AA2024 coated with chromate-based coating in 0.05 M NaCl. Impedance measurements were carried out under voltage and current control (Reprinted from Prog Org Coatings, 69, Paussa L, Andreatta F, Aldighieri P, Fedrizzi L, Critical aspects in the electrochemical study of unstable coated metallic substrates, 225–234, Copyright (2010a), with permission from Elsevier)