This work reports on measurement and analysis of the galvanic interaction between steel self-piercing rivets (SPRs) having several different surface conditions and magnesium alloy substrates under consideration for use in automotive structural assemblies. Rivet surface conditions included uncoated steel, conventional Zn-Sn barrel plating and variations of commercial aluminizing processes, including supplemental layers and sealants. Coating characteristics were assessed using open circuit potential (OCP) measurement, potentiodynamic polarization scanning (PDS), and electrochemical impedance spectroscopy (EIS). The degree of galvanic coupling was determined using zero-resistance ammeter (ZRA) and the scanning vibrating electrode technique (SVET), which also permitted characterization of galvanic current flows in situ.


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    Titel :

    Electrochemical Characterization of Coated Self-Piercing Rivets for Magnesium Applications


    Weitere Titelangaben:

    Sae Int. J. Mater. Manf
    Sae International Journal of Materials and Manufacturing


    Beteiligte:
    Battocchi, Dante (Autor:in) / Bierwagen, Gordon (Autor:in) / Forsmark, Joy (Autor:in) / Wilson, Nick (Autor:in) / McCune, Robert (Autor:in) / Upadhyay, Vinod (Autor:in) / Qi, Xiaoning (Autor:in)


    Erscheinungsdatum :

    2016-01-01


    Format / Umfang :

    13 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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