Corrosion protection mechanism was investigated on newly developed-metal-finished steel sheets for automobile applications. Such alloying elements to zinc as Ni, Co, Mn, Mg and Al retard oxygen reduction reaction because of their stabilizing effect of Zn(OH2) films, leading to improved corrosion resistance. Wet adhesion of cathodic primed full painted system is governed by alkali-induced dissolution of phosphate and zinc coatings during electrocoating. Fe in coating layer improves wet adhesion because of its high alkali-resistance. Both Fe and Ni have a pore blocking effect on phosphate films, with resultant a superior paint performance. The factors affecting perforation of jointed panels were also discussed.


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    Titel :

    Corrosion protection fundamentals of metal-finished steel sheets for automotive applications


    Weitere Titelangaben:

    Grundlagen des Korrosionsschutzes von Stahlblech mit Metallfinish fuer den Automobilbau


    Beteiligte:
    Maeda, S. (Autor:in) / Oka, J. (Autor:in) / Miyoshi, Y. (Autor:in)


    Erscheinungsdatum :

    1983


    Format / Umfang :

    10 Seiten, 12 Bilder, 5 Tabellen, 8 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Corrosion Protection Fundamentals of Metal-Finished Steel Sheet for Automotive Applications

    Maeda,S. / Oka,J. / Miyoshi,Y. et al. | Kraftfahrwesen | 1983


    Development of metal-finished steel sheets for automotive applications and their properties

    Asano, H. / Fujino, T. / Saito, T. et al. | Tema Archiv | 1981



    Corrosion behavior of several precoated steel sheets for automotive application

    Wakano, S. / Matsuo, S. / Nishihara, M. et al. | Tema Archiv | 1982


    Advances in automotive steel sheets

    Maruta, A. | Tema Archiv | 1998