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Numerical Simulation and Analysis of the Wetting and Spreading Temperature Field under DC GTAW Arc

LI Ruifeng, YU Zhishui, YU Chun(Dept. of Materials and Environment Eng., East China Shipbuilding Institute, Zhenjiang Jiangsu 212003, China)  
The temperature field that influences the wetting and spreading behavior of brazing filler metal under the unsteady arc heating is simulated and studied. The brazing parameters that influence the special temperature (the melt temper of Zinc plate and the melt temperature of brazing filler metal) field are analyzed too.The influence on the spreading of brazing filler metal and the melting of Zinc plate by individual arc brazing process can be got, and the results can be used to instructing arcbrazing process.
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