Mathematical model of variable-polarity plasma arc (VPPA) welding process developed for use in predicting characteristics of welds and thus serves as guide for selection of process parameters. Parameters include welding electric currents in, and durations of, straight and reverse polarities; rates of flow of plasma and shielding gases; and sizes and relative positions of welding electrode, welding orifice, and workpiece.


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    Title :

    Mathematical Model Of Variable-Polarity Plasma Arc Welding


    Contributors:
    Hung, R. J. (author)

    Published in:

    Publication date :

    1996-03-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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