The determination of corrosion rates by electrochemical d.c. and a.c. methods — II. Systems with discontinuous steady state polarization behavior

Corrosion systems exhibiting discontinuous anodic polarization curves have been investigated by steady state polarization, linear sweep polarization, large and small signal pulse polarization, a.c. impedance measurements and solution analysis. It is shown that the true corrosion current density can...

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Bibliographic Details
Published in:Corrosion science 1982, Vol.22 (7), p.611-619
Main Authors: Aksüt, A.A., Lorenz, W.J., Mansfeld, F.
Format: Article
Language:English
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Summary:Corrosion systems exhibiting discontinuous anodic polarization curves have been investigated by steady state polarization, linear sweep polarization, large and small signal pulse polarization, a.c. impedance measurements and solution analysis. It is shown that the true corrosion current density can only be determined if the non-linearity of the system is avoided. This is not possible from analysis of a.c. impedance results without model assumptions.
ISSN:0010-938X
1879-0496
DOI:10.1016/0010-938X(82)90042-7