Electrochemical impedance spectroscopy (EIS) was used to study carbon dioxide (CO2) corrosion product scales and their effects on further CO2 corrosion. Objectives were to determine the suitability of EIS for studying corrosion scales and to investigate the influence of environmental factors on scale formation. EIS provided useful information about protective abilities and electrochemical properties of corrosion scales. CO2 corrosion scales formed at high-temperature and pressure provided better protection than those formed at low-temperature and pressure. The level of protection of the scale formed at higher temperature and pressure increased with exposure time. EIS results were compared with coupon weight-loss measurements. Scales were analyzed using a combination of Fourier transform infrared (FTIR) analysis, x-ray diffraction (XRD), and electron microscopy.


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    Titel :

    Electrochemical impedance spectroscopy and surface characterization techniques to study carbon dioxide corrosion product scales


    Weitere Titelangaben:

    Elektrochemische Impedanzspektroskopie und Methoden zur Oberflächencharakterisierung für die Untersuchung der Korrosionsproduktablagerungen bei der Kohlendioxidkorrosion


    Beteiligte:
    Kinsella, B. (Autor:in) / Tan, Y.J. (Autor:in) / Bailey, S. (Autor:in)

    Erschienen in:

    Corrosion, Houston ; 54 , 10 ; 835-842


    Erscheinungsdatum :

    1998


    Format / Umfang :

    8 Seiten, 13 Bilder, 22 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch