Light weight and low cost have been pursued in automotive industry. For a light weight, a metal sheet with varying thickness is desirable. It not only saves material but also increase design flexibility. Tailor Rolled Blank (TRB) door inner panel required thicker thicknesses can be used to support localized lager loading. TRB is an emerging manufacturing technology by which engineers are allowed to change blank thickness continuously within a sheet metal. In this study, the AA5J32 T4 TRB sheet is applied to combine the door inner panel. The TRB material properties of made of heat treatment condition of three types. It was measured to evaluate formability by the limiting dome height test. Full-filed photogrammetric measurement of TRB panel deformation was performed by the ARAMIS 3D system. ARAMIS is the system for optical 3D deformation analysis. The paper also presents some results of finite element analysis of forming. A FE model of the door inner panel was performed using Autoform software. The model used shell elements to present the tailor rolled blank. The material properties obtained from the tensile tests were used in the numerical model to simulate the door inner of AA5J32 for heat treatment T4 condition. After a prototype front door inner part was manufactured by hydraulic stamping press, and then analysis a formability of it.


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    Title :

    Development of automotive door inner panel using AA5J32 tailor rolled blank


    Contributors:
    Jeon, S.J. (author) / Kim, B.M. (author)


    Publication date :

    2011


    Size :

    5 Seiten, 10 Bilder, 1 Tabelle, 6 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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