Improvement in resistance spot welding quality in sheet metal do have significant implications on the automotive manufacturing process. This paper reports on our recent effect to gain a fundamental understanding of the weld development process. A simple physical model, based on the dynamic resistance physical model, based on the dynamic resistance curve is presented describing the resistance changes during the process of weld development. In addition, a series of electrical and metallurgical measurements were performed to capture the temporal behavior of the weld resistance in terms of its component elements. Since the interface resistances are most affected by weld variables such as welding force and electrode cap wear, these interfaces can be major sources of weld quality variation. The results obtained provided a novel view of the sheet-metal welding process.


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    Titel :

    Basic phenomena in resistance spot welding


    Weitere Titelangaben:

    Grundphaenomen beim Widerstandspunktschweissen


    Beteiligte:
    Lee, A. (Autor:in) / Nagel, G.L. (Autor:in)

    Erschienen in:

    SAE-Papers ; Mar ; 1-19


    Erscheinungsdatum :

    1988


    Format / Umfang :

    19 Seiten, 20 Bilder, 4 Tabellen, 14 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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