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  • The use of cerium and praseodymium mercaptoacetate as thiol-containing inhibitors for AA2024-T3

    Author(s)
    Catubig, R
    Hughes, AE
    Cole, IS
    Hinton, BRW
    Forsyth, M
    Griffith University Author(s)
    Cole, Ivan
    Year published
    2014
    Metadata
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    Abstract
    The susceptibility of the aluminium alloy, AA2024-T3, to localised corrosion as well as the toxicity of chromate inhibitors are both well known facts. In this paper the effect on the corrosion of AA2024-T3 of the thiol-containing mercaptoacetate, when coupled with cerium or praseodymium is examined. Potentiodynamic polarisation and SEM/EDXS were used to analyse the inhibiting behaviour of the compounds cerium mercaptoacetate and praseodymium mercaptoacetate. Both inhibitors were predominantly cathodic inhibitors with increasing anodic inhibition after 24 h of immersion. A mechanism of film formation and corrosion protection ...
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    The susceptibility of the aluminium alloy, AA2024-T3, to localised corrosion as well as the toxicity of chromate inhibitors are both well known facts. In this paper the effect on the corrosion of AA2024-T3 of the thiol-containing mercaptoacetate, when coupled with cerium or praseodymium is examined. Potentiodynamic polarisation and SEM/EDXS were used to analyse the inhibiting behaviour of the compounds cerium mercaptoacetate and praseodymium mercaptoacetate. Both inhibitors were predominantly cathodic inhibitors with increasing anodic inhibition after 24 h of immersion. A mechanism of film formation and corrosion protection was also proposed.
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    Journal Title
    Corrosion Science
    Volume
    81
    DOI
    https://doi.org/10.1016/j.corsci.2013.12.001
    Subject
    Civil engineering
    Materials engineering
    Materials engineering not elsewhere classified
    Mechanical engineering
    Publication URI
    http://hdl.handle.net/10072/173748
    Collection
    • Journal articles

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