The invention relates to a heat treatment method for a high-strength vehicle bumper. The heat treatment method comprises the steps of quenching, annealing, subzero treatment, secondary quenching, secondary annealing, grinding and precise trimming, wherein heating is conducted in a staged mode. Through the heat treatment method and the setting of specific parameters, under the condition that it is guaranteed that the cost is relatively low and the tenacity is high, the strength of the vehicle bumper is greatly improved.


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    Titel :

    Heat treatment method for vehicle bumper and vehicle bumper


    Beteiligte:
    WANG WENJIAO (Autor:in)

    Erscheinungsdatum :

    10.06.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C22C Legierungen , ALLOYS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS



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