Crack sensitive Inconel 718 was laser pulse welded using a 3.0 kW CO2 laser. Weld shape, structure and porosity were recorded as a function of the pulse duty cycle. Within the matrix studied, the welds were found to be optimized at a high (17 ms on, 7 ms off) duty cycle. These welds were superior in appearance and lack of porosity to both low duty cycle and CW welds.


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    Title :

    Effect of Pulse Duty Cycle on Inconel 718 Laser Welds


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Aerospace Technology Conference and Exposition ; 1989



    Publication date :

    1989-09-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English


    Keywords :


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