Study on the physical characteristic of argon - helium arc and its effects on the weld shaping 二氧化碳混合气体电弧行为及其对焊缝成形的影响
2.
The arc physical characteristic of mixed gases ( ar + he + co2 ) and its effects on weld shaping were discussed 摘要采用钨极氩弧焊对不同比例氩氦二氧化碳混合气体的电弧物理特性及其焊缝成形进行了实验。