The invention relates to an inner side body plate for a vehicle. The inner side body plate for the vehicle comprises an inner side body plate body, the inner side body plate body is annular, one side of the annular structure is a B pillar body, and the upper side of the annular structure is an A pillar body; the inner side body plate for the vehicle is characterized in that the body part of the inner side body plate body is obtained through a hot forming technology for ultra high-strength steel, and the body part has a martensitic structure of which the intensity is 1300 to 1500 MPa; the upper surface of the A pillar body is a flange surface lapped with a top cover, the flange surface has a ferrite and pearlitic structure or bainite structure obtained through slow cooling in the hot forming technology for the ultra high-strength steel, and the intensity of the ferrite and pearlitic structure or bainite structure is 500 to 700 MPa. According to the inner side body plate for the vehicle, the flange surface lapped with the top cover is changed into a soft region, the intensity is less than 800 MPa, and the toughness can be increased to play a role of absorbing one part of energy.


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    Titel :

    Inner side body plate for vehicle


    Beteiligte:
    SUN CAI (Autor:in) / CHEN YANG (Autor:in) / LI XIANGRONG (Autor:in) / YANG YUNLONG (Autor:in)

    Erscheinungsdatum :

    2015-04-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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