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The paper concerns numerical modelling of the temperature field with motion of liquid metal in the melted zone and estimation of the structure composition in the laser-arc hybrid welded joint. Coupled transport phenomena of heat transfer in butt welded plate and fluid flow in the melted zone were described respectively by the transient heat transfer equation with convective term and Navier-Stokes...
Results of numerical analysis into temperature field in hybrid laser-arc welding process with motion of liquid material taken into account are presented in this study. On the basis of obtained results the influence of the distance between the arc foot point and the laser beam focal point on the shape and size of fusion zone in hybrid butt welded plate. Temperature field was calculated on the basis...
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