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    AFM studies of the adhesion properties of surfactant corrosion inhibitor films

    Access Status
    Fulltext not available
    Authors
    Xiong, Y.
    Brown, B.
    Kinsella, Brian
    Nesic, S.
    Pailleret, A.
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Xiong, Y. and Brown, B. and Kinsella, B. and Nesic, S. and Pailleret, A. 2013. AFM studies of the adhesion properties of surfactant corrosion inhibitor films. NACE - International Corrosion Conference. 17-21 March 2013, Orlando, Florida.
    Source Title
    NACE - International Corrosion Conference Series
    ISBN
    9781627481458
    School
    School of Chemical and Petroleum Engineering
    URI
    http://hdl.handle.net/20.500.11937/56166
    Collection
    • Curtin Research Publications
    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 takes about 6 hours. Quantitative force measurements were performed to evaluate the mechanical and adhesion properties of inhibitor films. Results show that the stress, needed to physically remove adsorbed inhibitor molecules is of the order of MPa. © 2013 by NACE International.

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