Perforation corrosion resistance of several precoated steel sheets developed for automotive panels, have been evaluated in a hemmed portion model test and a lapped portion model test. Corrosion behavior at hemmed sections can be simulated by a simple hem model with thin electropaint film. Ni-Zn alloy electroplated steel sheet (30 g/m2) and an organic composite coated steel sheet showed excellent perforation resistance than galvannealed steel sheet (60 g/m2) and hot-dip galvanized steel sheet (135 g/m2). In a lapped portion model test, there was not a large difference in perforation resistance between cold rolled steel sheet and zinc alloy plated steel sheets. Organic composite coated steel sheets showed excellent perforation corrosion behavior in this test too. The ranking of precoated steels in two tests was different from that in conventional flat panel test.


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    Titel :

    Perforation corrosion resistance of several coated steels in two simulated model tests


    Weitere Titelangaben:

    Bestaendigkeit verschiedenartig beschichteter Stahlbleche gegen Lochfrasskorrosion bei zwei Simulationspruefungen


    Beteiligte:
    Wakano, S. (Autor:in) / Nishihara, M. (Autor:in)

    Erschienen in:

    SAE-Papers ; Mar ; 1-6


    Erscheinungsdatum :

    1989


    Format / Umfang :

    6 Seiten, 13 Bilder, 1 Tabelle, 6 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    Nishihara, Minoru / Wakano, Shigeru | SAE Technical Papers | 1989


    Perforation corrosion resistance of several coated steels in two simulated model tests

    Wakano,S. / Nishihara,M. / Sumitomo,JP | Kraftfahrwesen | 1989


    Corrosion resistance of several coated steels through simulation tests

    Wakano, S. / Nishihara, M. | Tema Archiv | 1989


    Laboratory Perforation Corrosion Tests of Autobody Steel Sheet

    Townsend, Herbert E. | SAE Technical Papers | 1997


    Laboratory perforation corrosion tests of autobody steel sheet

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