Methods: Electrochemical technique was adopted to detect the changes of anode polarization curves of TA2 and TC4 after welding with laser or pulsed tungstenargonarc.
方法：采用动电位极化技术，分别测定激光焊接及脉冲氩弧焊接TA2和TC4后，材料阳极极化曲线的变化。
2
The temperature field in welding HAZ was studied and analyzed. Welding heat curve was set up by argon-shielded tungstenarcwelding experiment.
通过钨极氩弧焊试验，对焊接热影响区温度场进行分析和研究，建立了焊接热循环曲线。
3
And it enumerates the troubleshootings in WSE-500 multi-function pulsed tungstenargonarcwelding.