In this paper, the thermal field of double wire welding is simulated by using ANSYS software. Simulation results were shown that the total heat input (E) is the most significant parameters to change the value of t8/5; By the mean of rationally controlling the proportion of the front arc heat input (E1) in the total heat input (E) and appropriately selecting double wire spacing (L), It is effective means to get the double wire welding thermal cycle. By the way of simulation, it is possible to manage the thermal input in the double welding wires and to control the temperature field and cooling rate that are fundamental for the final joint quality, it is great importance guidance to optimize the double wire welding process parameters.
Zhao, P.C., Wu, C.S. and Zhang, Y.M. (2004) Numerical Simulation of the Dynamic Characteristic of Weld Pool Geometry with Step Changes of Welding Parameters. Modeling and Simulation in Materials Science and Engineering, 765-780.
Ranjbarnodeh, E., Kokabi A.H. and Fischer, A. (2011) Effect of Welding Parameters on Residual Stresses in Dissimilar Joint of Stainless Steel to Carbon Steel. Journal of Materials Science, 46, 3225-3232.