The invention relates to an automobile side body inner plate which comprises a side body inner plate body. The automobile side body inner plate is characterized in that the upper surface of a column body A is a flange face in lap joint with a top cover, the flange face is a ferrite and perlite structure with the strength ranging from 500 to 700 MPa or a bainite structure with the strength ranging from 500 to 700 MPa, the upper portion of a column body B is a hard area, the lower portion of the column body B is a soft area, and the hard area is connected with the soft area through a first transition area; the side body inner plate body can be a martensitic structure with the strength ranging from 1300 to 15oo MPa through an ultrahigh-strength steel hot forming technology; the lower end of the side body inner plate body and the soft area of the column body B are connected through a second transition area, and the second transition area is in a right angle shape and covers the soft area of the column body B. The flange face in lap joint with the top cover is changed to the soft area, the rigidity is improved, and a partial energy adsorption effect is achieved. The column body B has high strength and can deform controllably.


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    Titel :

    Automobile side body inner plate


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

    Erscheinungsdatum :

    2015-04-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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