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《Material Science and Technology》 2001-03
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Numerical-simulation of dynamic process in TC4 weld pool during hollow cathode arc welding in vacuum

FAN Cheng lei 1, FANG Hong yuan 1, LIU Zhi hua 2, WAN Xin 1(1. National Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China; 2. Aerospace Research Institute of Materials and Processing Tec  
The physical and mathematical models for the dynamic process in the weld pool are established when the TC4 alloy sheet (5 mm thick) is welded by the Hollowed Cathode Arc in Vacuum(HCVAW). By using these models, a numerical simulation is founded to study the effect of process parameters such as welding velocity and welding current on the temperature field , flow field and weld form. The results of the simulation are consistent with the results of the experiment.
【CateGory Index】: TG403
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