Volume 6, Issue 8 (September 2009)

    Comparison of Corrosion Rate Measurement of Copper, Zinc, and C1018 Steel Using Electrochemical Frequency Modulation and Traditional Methods

    (Received 5 June 2007; accepted 15 June 2009)

    Published Online: 2009

    CODEN: JAIOAD

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    Abstract

    Experimental aspects of making corrosion rate measurements with the electrochemical frequency modulation technique (EFM) have been discussed. Corrosion rate and corrosion kinetic parameters can be obtained without prior knowledge of the Tafel slopes. Several cases were considered using a dummy cell designed to mimic a corrosion reaction. These approaches were then applied to copper, zinc, and carbon steel samples and the results were compared to more traditional electrochemical techniques like polarization resistance and electrochemical impedance spectroscopy. Good agreement has been observed between traditional methods and EFM.


    Author Information:

    Loveday, David
    Gamry Instruments Inc., Warminster, PA

    Rodgers, Robert
    Gamry Instruments Inc., Warminster, PA


    Stock #: JAI101251

    ISSN: 1546-962X

    DOI: 10.1520/JAI101251

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    Author
    Title Comparison of Corrosion Rate Measurement of Copper, Zinc, and C1018 Steel Using Electrochemical Frequency Modulation and Traditional Methods
    Symposium Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement, 2007-05-23
    Committee G01