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Modelling of Gas Tungsten Arc Welding Pool under Marangoni Convection

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Figure

Figure 1.  Schematic diagram of GTAW process with negative surface tension temperature gradient
Figure 2.  Photo of tears of wine and illustration of Marangoni Effect
Figure 3.  Wide and shallow pool by negative gradient
Figure 6.  Schematic diagram of electromagnetic force acting in the GTAW weld pool (left); inward flow pattern (right); redrawn from Kou [17]
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