An automotive crashworthiness energy absorptive part 1 according to the present invention absorbs crashworthiness energy by crushing axially when a crashworthiness load is input from a front side or a rear side of an automotive body, includes a tubular member 3 having a top portion 5a and a pair of side wall portions 5c continuous from the top portion 5a via corner portions 5b; a closed cross section space forming wall member 9 disposed on an inner surface side of the tubular member 3 and forming a closed cross section space between the closed cross section space forming wall member 9 and at least the corner portion 5b; and a resin 11 provided in the closed cross section space, in which the resin 11 contains a rubber-modified epoxy resin and a hardener, and has a tensile breaking elongation of 2% or more and less than 80%, providing excellent water resistance without generating interfacial peeling, an adhesive strength with the tubular member 3 and the closed cross section space forming wall member 9 of 12 MPa or more, and a compressive nominal stress of 6 MPa or more at a compressive nominal strain of 10%.


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    Title :

    AUTOMOTIVE IMPACT ENERGY ABSORPTIVE PART


    Additional title:

    AUFPRALLENERGIEABSORBIERENDES TEIL FÜR KRAFTFAHRZEUGE
    PARTIE D'ABSORPTION D'ÉNERGIE D'IMPACT POUR AUTOMOBILE


    Contributors:

    Publication date :

    2023-11-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / F16F SPRINGS , Federn



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