Filiform corrosion phenomenon and its prevention method for 5000 series aluninum alloy sheet have been investigated. The painted aluminum alloys sheets were subject significantly to filiform corrosion caused by formation of a mottled and coarse zinc phosphate film during chemical conversion process. On the other hand, galvainized aluminum alloy sheet showed an uniform and fine phosphate film in a brief time and the filiform corrosion resistance was improved markedly. The test results of press-forming and corrosion for the prototype engine hoods made of this newly developed galvanized sheets have revealed a good formability and an excellent filiform corrosion resistance.


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    Titel :

    Development of galvanized aluminum alloys sheet for body panels with an excellent filiform corrosion resistance


    Weitere Titelangaben:

    Entwicklung von galvanisierten Blechen aus Aluminiumlegierung mit ausgezeichneter Beständigkeit gegen Fadenkorrosion


    Beteiligte:
    Kaneko, K. (Autor:in) / Mochizuki, A. (Autor:in) / Nakajima, H. (Autor:in) / Ikeda, K. (Autor:in) / Toyose, K. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1993


    Format / Umfang :

    7 Seiten, 15 Bilder, 3 Tabellen, 7 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Development of Galvanized Aluminum Alloy Sheet for Body Panels with an Excellent Filiform Corrosion Resistance

    Mochizuki, Asao / Nakajima, Hiroki / Toyose, Kikuo et al. | SAE Technical Papers | 1993



    Filiform corrosion resistance of painted automotive body sheet

    Powers,J.H. / Alcoa,US | Kraftfahrwesen | 1991


    Filiform Corrosion Resistance of Painted Automotive Body Sheet

    Powers, John H. | SAE Technical Papers | 1991


    Development of galvanized aluminum alloy sheet for body panels

    Kaneko, K. / Hayashi, S. / Mochizuki, A. et al. | Tema Archiv | 1994