Friction stir welding of T-joints is a promising technology for skin stiffener connections in the aerospace industry. The joints are produced from 4 mm thick 6013-T4 by plunging the tool through the skin and by stirring up the skin-stiffener interface. It is shown that the shape of the fillet between the skin and the stiffener is influenced by the backing plate. The introduction of a rounded fillet radius however increases the propensity of crack formation in the weld during FSW. These weld defects as well as their detection by the non-destructive ultrasonic testing method are discussed. Tensile tests are carried out by pulling the skin perpendicular to the stiffener and by pulling the stiffener from the skin.


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    Titel :

    Friction stir welding of T-joints


    Beteiligte:
    Erbsloh, K. (Autor:in) / Dalle Donne, C. (Autor:in) / Lohwasser, D. (Autor:in)


    Erscheinungsdatum :

    2003


    Format / Umfang :

    6 Seiten, 6 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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