In recent years, strict weight reduction targets have pushed auto manufacturers to use lighter gauge sheet steels in all areas of the vehicle including exterior body panels. As sheet metal thicknesses are reduced, dentability of body panels becomes of increasing concern. Thus, the goal becomes one of reducing sheet metal thickness while maintaining acceptable dent resistance. Most prior work in this area has focused on quasi-static loading conditions. In this study, both quasi-static and dynamic dent tests are evaluated. Fully assembled doors made from mild, medium strength bake hardenable and non-bake hardenable steels are examined. The quasi-static dent test is run at a test speed of 0.1 m/minute while the dynamic dent test is run at a test speed of 26.8 m/minute. Dynamic dent testing is of interest because it more closely approximates real life denting conditions such as in-plant handling and transit damage, and parking lot damage from car door and shopping cart impact. The dent resistance performance of the three steel types are examined and compared for both static and dynamic test conditions.


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    Titel :

    Static and Dynamic Dent Resistance Performance of Automotive Steel Body Panels


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Brindza, J. A. (Autor:in) / Prencipe, J. M. (Autor:in) / Shi, M. F. (Autor:in) / Bucklin, P. (Autor:in) / Michel, P. F. (Autor:in) / Belanger, P. J. (Autor:in)

    Kongress:

    International Congress & Exposition ; 1997



    Erscheinungsdatum :

    24.02.1997




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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