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  • The effect of peptide based nutrients on the corrosion of carbon steel in an agar based system

    Author(s)
    Spark, Amy
    Cole, Ivan
    Law, David
    Ward, Liam
    Griffith University Author(s)
    Cole, Ivan
    Year published
    2016
    Metadata
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    Abstract
    A novel system using semi-solid agar with peptide nutrient additions is being developed as a soil analogue for fundamental corrosion studies involving bacteria. Electrochemical studies revealed these nutrients induced an inhibitive effect on the corrosion of carbon steel, hypothesised to be due to activated side chain groups on the peptides. At more anodic potentials variation in the corrosion current suppression was seen with changing nutrient concentration, suggesting concentration dependence of the inhibition process. Knowledge of the electrochemical effect of this system is essential to fully understand the effect of ...
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    A novel system using semi-solid agar with peptide nutrient additions is being developed as a soil analogue for fundamental corrosion studies involving bacteria. Electrochemical studies revealed these nutrients induced an inhibitive effect on the corrosion of carbon steel, hypothesised to be due to activated side chain groups on the peptides. At more anodic potentials variation in the corrosion current suppression was seen with changing nutrient concentration, suggesting concentration dependence of the inhibition process. Knowledge of the electrochemical effect of this system is essential to fully understand the effect of bacteria on carbon steel in the system in the future.
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    Journal Title
    Corrosion Science
    Volume
    110
    DOI
    https://doi.org/10.1016/j.corsci.2016.04.032
    Subject
    Civil engineering
    Materials engineering
    Materials engineering not elsewhere classified
    Mechanical engineering
    Publication URI
    http://hdl.handle.net/10072/173726
    Collection
    • Journal articles

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