To reach safety, emissions, and cost objectives, manufacturers of automotive body structural components shape thin gauge, high strength steel tube using a series of manufacturing steps that often include bending, preforming and hydroforming. Challenging grades and bend severity require a sensitive optimization of the tubular bending process. To this end, it is necessary to achieve an understanding of efficient measurement methods capable of capturing small differences in bending formability. In preparation for an optimization of a 90o bend using Dual Phase 780 (DP780) and High Strength Low Alloy (HSLA350) thin walled tube, the measurement techniques of three formability characteristics: thinning, strain, and final geometry were statistically evaluated. In addition, the difference in the bending behaviour of the two grades was evaluated.


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    Titel :

    Bending Performance of Advanced High Strength Steel Tubes


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE World Congress & Exhibition ; 2009



    Erscheinungsdatum :

    20.04.2009




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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