Electrochemical Impedance Spectroscopy (EIS) and Thermal Wave Imaging (TWI) are complementary techniques which can be used to detect and estimate Impact Induced Corrosion (IIC) at the metal-polymer interface. This paper describes the use of the above techniques to detect Impact Induced Corrosion in a variety of pre-coated and painted sheet steels. It has been possible to show, that IIC is a threshold phenomenon and depends on the type of galvanized coating. Evaluation of IIC, using a high performance indoor accelerated test and preliminary data from the proving grounds are presented in this paper.


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    Titel :

    Stone Impact Damage to Automotive Paint Finishes: Impact Induced Corrosion in Painted Pre-Coated Sheet Steels


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ramamurthy, A. C. (Autor:in) / Strom, Gunnar (Autor:in) / Strom, Mats (Autor:in) / Sporrong, Mikael (Autor:in)

    Kongress:

    SAE Automotive Corrosion and Prevention Conference and Exposition ; 1993



    Erscheinungsdatum :

    01.10.1993




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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