The method for producing a motor vehicle component (1) with a hot-formed and press-hardened component made of high-strength steel, comprises partially heat-treating the motor vehicle component in areas, which are initially heated at a heating temperature of 700-800[deg] C, holding the heating temperature for a holding time, and cooling the heating temperature in one phase. The partial heat-treatment is carried out on joining flanges of the component and on a recess of the component. The motor vehicle component is made of components by coupling. The method for producing a motor vehicle component (1) with a hot-formed and press-hardened component made of high-strength steel, comprises partially heat-treating the motor vehicle component in areas, which are initially heated at a heating temperature of 700-800[deg] C, holding the heating temperature for a holding time, and cooling the heating temperature in one phase. The partial heat-treatment is carried out on joining flanges of the component and on a recess of the component. The motor vehicle component is made of components by coupling and the heat-treatment is carried out on the coupling points (10). The coupling is produced by thermal joining. The heating is carried out in a time period of 5 seconds. The holding time is carried out in a time period of 5 seconds. The cooling step is carried out in two phases. The cooling of the first phase is continuously carried out longer in relation to the cooling time of the second phase. The second phase is carried out in a time period of up to 60 seconds. The component is cooled by the first phase of the cooling at 500-700[deg] C. The heating temperature is reached by inductive heating and by infrared heating. An independent claim is included for a car body component.


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    Titel :

    Verfahren zum partiellen Wärmebehandeln einer Kraftfahrzeugkomponente


    Weitere Titelangaben:

    Method for partially heat treating a motor vehicle component
    Procédé de traitement thermique partiel d'un composant de véhicule automobile


    Beteiligte:

    Erscheinungsdatum :

    2019-09-11


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Deutsch


    Klassifikation :

    IPC:    C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B62D MOTOR VEHICLES , Motorfahrzeuge



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