Evaluation of Corrosion Inhibitors by Electrochemical Noise Analysis
Copyright policy )Evaluation of Corrosion Inhibitors by Electrochemical Noise Analysis
The corrosion potential fluctuations of aluminum alloy AA 6351 electrodes in 0.5M chloride solutions were recorded both in the absence and in the presence of the following inhibitors: 2-mercaptopyrimidine, sodium molybdate, and sodium nitrate. The corresponding spectral density plots, calculated over a wide frequency range, are discussed in order to evaluate the possibility of finding the mechanism of action of the additives, by analyzing the electrochemical noise. As a reference, the polarization curves of the alloy in the various solutions are reported
- University of Ferrara Italy
Aluminium Alloy; Corrosion; Electrochemical Noise Analysis; ENA; Inhibition; Localized Corrosion; Sodium Chloride; Spectral Density Plots
Aluminium Alloy; Corrosion; Electrochemical Noise Analysis; ENA; Inhibition; Localized Corrosion; Sodium Chloride; Spectral Density Plots
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