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    Effect of LiNO2 inhibitor on corrosion characteristics of steel rebar in saturated Ca(OH)2 solution containing NaCl: An electrochemical study

    Access Status
    Fulltext not available
    Authors
    Ryu, H.
    Singh, J.
    Lee, H.
    Ismail, Mohamed
    Park, W.
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Ryu, H. and Singh, J. and Lee, H. and Ismail, M. and Park, W. 2017. Effect of LiNO2 inhibitor on corrosion characteristics of steel rebar in saturated Ca(OH)2 solution containing NaCl: An electrochemical study. Construction and Building Materials. 133: pp. 387-396.
    Source Title
    Construction and Building Materials
    DOI
    10.1016/j.conbuildmat.2016.12.086
    ISSN
    0950-0618
    School
    Curtin Sarawak
    URI
    http://hdl.handle.net/20.500.11937/32292
    Collection
    • Curtin Research Publications
    Abstract

    It is proved that inhibitors control or reduce the onset time of corrosion of steel rebars. The nitrite based i.e. sodium or calcium nitrite corrosion inhibitor is very popular and significantly reduces the corrosion of steel rebars. In this study, the effect of LiNO2 was evaluated by electrochemical impedance spectroscopy (EIS) and potentiodynamic studies. This inhibitor showed 63.67% efficiency at [Cl-/NO2-] = 0.6 in Ca(OH)2 solution contaminated with 0.99 g/L NaCl. LiNO2 works as mixed type corrosion inhibitor by stabilizing the iron oxides/hydroxides in their stable form and stifle the corrosion of steel rebar.

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