The recent interest in improving the functional characteristics of electroplated deposits has resulted in several zinc alloy electroplating systems. A number of reports on the behaviour of zinc and its alloys with metals like cobalt, nickel, etc. in sodium chloride are available. However, their behaviour in polluted marine environments containing sulphide has received less attention. This paper deals with the corrosion behaviour of electrodeposited zinc and Zn-Ni in synthetic sea water with and without sulphide present as a pollutant. The effect of chromating treatment is also discussed. Zinc-nickel deposits, especially those containing (15 %+-2 %) Ni, possess higher corrosion resistance than pure zinc deposits in aqueous chloride, sulphide, and chloride-sulphide media. The special chromating solution used in these experiments enhances the life of the alloy deposit in these media and this is reflected in lower Icorr values.


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    Titel :

    Electrochemical assessment of corrosion behaviour of zinc and zinc-nickel alloys in aqueous chloride, sulphide, and chloride-sulphide media


    Weitere Titelangaben:

    Elektrochemische Abschätzung des Korrosionsverhaltens von Zink und Zink-Nickel-Legierungen in wäßrigen Lösungen von Chlorid, Sulfid und Chlorid-Sulfid


    Beteiligte:

    Erschienen in:

    British Corrosion Journal ; 30 , 4 ; 317-319


    Erscheinungsdatum :

    1995


    Format / Umfang :

    3 Seiten, 3 Bilder, 3 Tabellen, 11 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch