Drop tower axial crush testing was performed on hat section samples of various steel grades ranging in minimum tensile strength from 410 MPa to 1300 MPa. It was demonstrated that the energy absorption capability increases with the tensile strength of the steel. However, steels of very high strength, greater than 980 MPa tensile strength, exhibited a greater tendency for weld button pullout or material fracture, and thus limited energy the absorption capability. The effect of the closeout plate and the yield strength of the steel on energy absorption were also investigated. FEA simulations were performed and correlated to the experimental results. A flow stress based material criterion is introduced based on the analytical approach to compare the crush performance of steels.


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    Titel :

    Evaluation of Crush Performance of A Hat Section Component Using Dual Phase and Martensitic Steels


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Yan, B. (Autor:in) / Horvath, C. (Autor:in) / Kantner, C. (Autor:in) / Nadkarni, G. (Autor:in) / Zhu, H. (Autor:in)

    Kongress:

    SAE 2005 World Congress & Exhibition ; 2005



    Erscheinungsdatum :

    2005-04-11




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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