The effectiveness of Zn-anodes for long-term cathodic protection against the propagation of crevice corrosion in AISI 316L pipe couplings in sea water was investigated. Corrosion potential measurements using mini-capillaries in simulated crevices, and testing of actual pipe couplings under wet/dry service conditions showed that Zn-anodes attached before testing prevent the initiation of crevice corrosion. Attachment after exposure stopped propagation of crevice corrosion for long periods of time, even when first attached after 1500 h of corrosion as well as under cyclic wet/dry loading over a 9 month period.


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    Titel :

    Experience with cathodic protection against the propagation of crevice corrosion in AISI 316L pipe couplings in sea water


    Beteiligte:
    Wilms, M.E. (Autor:in) / Mentz, R.A.F. (Autor:in) / Wei, W. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    7 Seiten, 4 Bilder, 9 Quellen



    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Print


    Sprache :

    Englisch