Key Laboratory of Non-ferrous Metal Alloys and Processing;
The Ministry of Education;
Lanzhou University of Technology;
Lanzhou;
730050;
State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials;
Lanzhou University of Technology;
Lanzhou;
730050.;
脉冲TIG焊; 焊接熔池; 数值分析; FLUENT软件; 熔池温度场; 周期性变化; 焊接电流; 脉冲频率;