Provided is a 6XXX series aluminum alloy sheet for a door inner panel, a preparation method therefor and an application thereof. The sheet includes, by weight percentage, 0.9-1.85% of Si, 0.15-0.4% of Fe, 0.05-0.3% of Cu, 0.05-0.15% of Mn, 0.2-0.9% of Mg, 0.01-0.03% of Ti, 0.1-0.2% of Cr, and an atomic ratio of Si to Mg is (0.9-7.9):1. The preparation method includes: mixing raw materials, and sequentially carrying out smelting and casting, homogenization-cooling and heat preservation integrated treatment, hot rolling, primary cold rolling, intermediate annealing, secondary cold rolling, solid solution, straightening, and pre-aging. The sheet of the present disclosure has a high work hardening index, small anisotropy, a high plane strain limit, good stability at room temperature and high baking yield strength, which has good mechanical properties and forming properties, and is suitable for being applied to stamping forming of door inner panels of automobiles.


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    Titel :

    6XXX SERIES ALUMINUM ALLOY SHEET FOR DOOR INNER PANEL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF


    Weitere Titelangaben:

    ALUMINIUMLEGIERUNGSBLECH DER 6XXX-SERIE FÜR TÜRINNENVERKLEIDUNG, HERSTELLUNGSVERFAHREN DAFÜR UND ANWENDUNG DAVON
    TÔLE D'ALLIAGE D'ALUMINIUM DE SÉRIE 6XXX POUR PANNEAU INTERNE DE PORTE, SON PROCÉDÉ DE PRÉPARATION ET SON APPLICATION


    Beteiligte:
    SHI XIAOCHENG (Autor:in) / ZHAO PIZHI (Autor:in) / ZHAO JINGWEI (Autor:in) / LI XIULEI (Autor:in) / SUN ZHONGGUO (Autor:in) / CHEN KAIXIN (Autor:in) / QI PENG (Autor:in) / LIU YUNGANG (Autor:in) / WANG NENGJUN (Autor:in) / DING LIQUN (Autor:in)

    Erscheinungsdatum :

    02.07.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C22C Legierungen , ALLOYS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS , Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen



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