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    Atomic force microscopy study of the adsorption of surfactant corrosion inhibitor films

    Access Status
    Fulltext not available
    Authors
    Xiong, Y.
    Brown, B.
    Kinsella, Brian
    Nešic, S.
    Pailleret, A.
    Date
    2014
    Collection
    • Curtin Research Publications
    Type
    Journal Article
    Metadata
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    Abstract

    The properties of an adsorbed corrosion inhibitor-tall oil fatty acid (TOFA) imidazolium chloride-on mica, gold, and X65 steel were studied using in situ atomic force microscopy (AFM). Topography images and thickness measurements show that the structure of inhibitor film changes from monolayer to bi-layer as inhibitor concentration exceeds its critical micelle concentration (CMC). Further kinetic study indicates that the developing of a full film took about 6 h. Quantitative force measurements were performed to evaluate the forces associated with adsorption of inhibitor films. Results show that the mechanical stress needed to physically remove adsorbed inhibitor molecules is of the order of MPa. © 2014, NACE International.

    Citation
    Xiong, Y. and Brown, B. and Kinsella, B. and Nešic, S. and Pailleret, A. 2014. Atomic force microscopy study of the adsorption of surfactant corrosion inhibitor films. Corrosion. 70 (3): pp. 247-260.
    Source Title
    Corrosion
    URI
    http://hdl.handle.net/20.500.11937/55385
    DOI
    10.5006/0915
    Department
    School of Chemical and Petroleum Engineering

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      The properties of an adsorbed corrosion inhibitor - Tall Oil Fatty Acid (TOFA) imidazolium chloride, on mica, gold and X65 steel were studied using in-situ atomic force microscopy (AFM). Topography images and thickness ...
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