A number of commercially available zinc and zinc alloy coated sheet steels were tested in three different accelerated corrosion tests. Statistical analysis using two types of damage configurations, which included a gravel impinged preformed biaxially stretched postpainted dome and a conventional scribe, indicated that pure zinc coatings exhibited the best cosmetic corrosion resistance to stone-chip damage while pure zinc and zinc/iron coatings provided equivalent resistance to underfilm corrosion. The effect of test, paint damage and primer on the cosmetic corrosion performance of the various substrates is also presented.


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    Title :

    Corrosion Behavior of Painted Zinc and Zinc Alloy Coated Autobody Sheet Steels


    Additional title:

    Sae Technical Papers


    Contributors:
    Robbins, D. J. (author) / Smith, D. M. (author) / Zappia, J. (author) / Roberts, T. R. (author)

    Conference:

    SAE International Congress and Exposition ; 1986



    Publication date :

    1986-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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