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《中国焊接(英文版)》 2008-03
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Numerical simulation of temperature fields for T-joint during TIG welding of titanium alloy

Wang Min,Dong Zhibo,Yu Lan and Wei Yanhong State Key Laboratory of Advanced Welding Production Technology, HarbinInstitute of Technology,Harbin,150001 School of Electrical Engineering andAutomation,Harbin Institute of Technology,Harbin,150001  
Three-dimensional finite element model was established to simulate temperature fields of T-joint titanium sheets during TIG welding with finite element method (FEM) software. Temperature dependent material properties and the effect of latent heat were considered. A technique of element birth and death was used to simulate the process of welded metal filling. Dynamic variation process of temperature fields during TIG welding was achieved. The simulated results agreed well with the measured results.
【Fund】: China Postdoctoral Science Foundation (No 20080430129)
【CateGory Index】: TG444.7
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