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    Inhibition of CO2 corrosion of 1030 carbon steel beneath sand-deposits

    Access Status
    Fulltext not available
    Authors
    Pandarinathan, V.
    Lepková, K.
    Gubner, Rolf
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Pandarinathan, V. and Lepková, K. and Gubner, R. 2011. Inhibition of CO2 corrosion of 1030 carbon steel beneath sand-deposits, in Proceedings of the Corrosion Conference and Expo 2011, Mar 13-17 2011, pp. 5231-5242. Houston, Texas: NACE.
    Source Title
    NACE - International Corrosion Conference Series
    ISSN
    0361-4409
    School
    School of Chemical and Petroleum Engineering
    URI
    http://hdl.handle.net/20.500.11937/23787
    Collection
    • Curtin Research Publications
    Abstract

    The performance of three corrosion inhibitors was investigated at 1030 carbon steel surfaces in the presence and absence of a sand deposit. Potentiodynamic measurements showed that the inhibition efficiency to mitigate corrosion reactions decreases in the presence of sand deposit. In contrary, the inhibitor performance was found to increase with longer exposure time of the steel to the corrosive media, at sand deposited surfaces. The differences between the steels corroded with and without sand deposit in the presence of an inhibitor were confirmed using both potentiostatic polarisation technique and scanning electron microscopy. The inhibition activity of the studied compounds in mitigating under-deposit corrosion of carbon steel has been discussed.

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