Abstract
Stability and controllability of a welding arc have a large influence on both the weld quality and welding productivity in the process of welding. Metal fusing and weld forming depend on the forces affecting the arc. Welding current creates electromagnetic forces, which basically define the influence of arc forces on molten metal. While estimating the magnitude of the influence of electromagnetic forces, it is necessary to investigate the radial distribution of arc pressure on the surface of a weld pool and take into account the dependence of distribution of electromagnetic forces on the non-consumable electrode tip geometry.
About this article
Received
29 January 2007
Accepted
09 March 2007
Published
31 March 2007
Keywords
TIG
welding arc pressure
influence of electromagnetic (Lorenz) forces
liquid metal convection
Copyright © 2007 Vibroengineering
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