A bumper beam 100 includes a closing plate 2 and a hat member 1. The hat member 1 includes a top plate 1a, two flanges 1c, and two walls 1b. The hat member 1 includes a high-strength portion 10H and low-strength portions 10L. The high-strength portion 10H includes a longitudinally middle portion of each of the two walls 1a and extends a length of at least 250 mm. The high-strength portion 10H has a tensile strength not lower than 1.5 GPa. The low-strength portions 10L are located outward of the high-strength portion and extends a length not smaller than the height of the walls. The low-strength portions have a tensile strength lower than the tensile strength of the longitudinally middle portion of the two walls.


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    Titel :

    Bumper Beam


    Beteiligte:
    KOGA ATSUO (Autor:in) / NAKAZAWA YOSHIAKI (Autor:in) / HIROSE SATOSHI (Autor:in)

    Erscheinungsdatum :

    2020-03-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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