Impedance analysis of \ASTM\ \A416\ tendon steel corrosion in alkaline simulated pore solutions
By Yu-Min Chen and Mark E. Orazem
Published in Corrosion Science
NULL
2016
Abstract
The corrosion behavior of \ASTM\ \A416\ steel in alkaline simulated pore solution under active aeration was studied by cyclic voltammetry, electrochemical impedance spectroscopy, and measurement of open-circuit potential and polarization curves. The electrochemical impedance spectra were interpreted by use of a model that accounted for porous electrode behavior and for the contributions of both anodic and cathodic reactions. The open-circuit corrosion rate for a stationary working electrode immersed in the active-aerated electrolyte was 64 ?m/year shortly after the cathodic pre-treatment was completed, but was too small to be detected after steady-state was reached.
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