Abstract

Abstract Although various techniques are available for monitoring corrosion of metals and alloys, it is still time consuming. Voltammetry, using a random potential pulse signal, the random pulse method that was developed by Ichise et al. For electrochemical analysis, has been applied to investigate corrosion state and rate. The response currents obtained as a function of the applied potential pulse level are transformed into spectra to compress the data from the corrosion system by fast Walsh transform. The corrosion state and rate have been evaluated with the transformed data. The results have shown that the random pulse method, combined with the pattern recognition technique, is a rapid method for investigating corrosion of metals and alloys.

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