Impedance analysis of {ASTM} {A416} tendon steel corrosion in alkaline simulated pore solutions
By Chen, Yu-Min; Orazem, Mark E.
Published in Corrosion Science
NULL
2016
Abstract
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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