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    Stamping Effect on Oil Canning and Dent Resistance Performances of an Automotive Roof Panel

    Stamping Effect on Oil Canning and Dent Resistance Performances of an Automotive Roof Panel


    The objective of this paper is to investigate the effect of stamping process on oil canning and dent resistance performances of an automotive roof panel. Finite element analysis of stamping processes was carried out using LS-Dyna to obtain thickness and plastic strain distributions under various forming conditions. The forming results were mapped onto the roof model by an in-house developed mapping code. A displacement control approach using an implicit FEM code ABAQUS/Standard was employed for oil canning and denting analysis. An Auto/Steel Partnership Standardized Test Procedure for Dent Resistance was employed to establish the analysis model and to determine the dent and oil canning loads.The results indicate that stamping has a positive effect on dent resistance and a negative effect on oil canning performance. As forming strains increase, dent resistance increases while the oil canning load decreases.

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    Title :

    Stamping Effect on Oil Canning and Dent Resistance Performances of an Automotive Roof Panel

    Additional title:

    Sae Technical Papers

    Contributors:
    Landeros, F. J. (author) / Zhang, L. (author) / Liu, S.-D. (author) / Xiao, X. (author)
    Conference:

    SAE World Congress & Exhibition ; 2007

    Published in:

    Sae Technical Paper Series

    Publication date :

    2007-04-16

    ISSN :

    2688-3627 , 0148-7191

    DOI :

    https://doi.org/10.4271/2007-01-1696

    Type of media :

    Conference paper

    Type of material :

    Print

    Language :

    English

    Keywords :

    Test procedures , Drag , Forming , Stamping , Finite element analysis

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