Definition of flash welding in US English:

flash welding


  • A welding process in which the ends of two metal parts are fused by heat generated from their resistance to an electric current and applied pressure.

    • ‘These are flash welding, high-frequency resistance welding, percussion welding, projection welding, resistance seam welding, resistance spot welding, and upset welding.’
    • ‘Spot, seam, and flash welding are all resistance-welding processes, which have been successfully applied to titanium.’
    • ‘The resistance welding processes can be used for welding magnesium, including spot welding, seam welding, and flash welding.’