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1·The varied weld penetration depths of austenic stainless steel in A-TIG welding are studied.

采用活性化焊剂TIG焊接方法研究了奥氏体不锈钢焊缝熔深的变化。

2·Relation between slag contribution and weld penetration is studied by adding aluminum powder into AF305 to change this distribution.

向AF305活性剂中添加铝粉改变焊渣分布，研究焊渣分布与熔深的关系，证实了焊渣成片分布能增加焊接熔深。

3·Weld penetration and wire melting speed of AC PMIG welding not only have relationship with welding current but also with electrode negative ratio.

交流脉冲MIG焊其焊缝熔深及焊丝熔化速度不仅与焊接电流有关，而且与负极性比率有关。

4·The present research mainly focuses on detecting the processing stability, assembly quality, defocusing, weld penetration, weld shape, pool and keyhole, etc.

目前实时检测的内容主要有焊接过程的稳定性、装配质量、离焦量、焊缝熔深和表面形貌、熔池与小孔的形态等。

5·A computer control system for research is designed in this paper considering the weld penetration control on mild steel in TIG welding with electro eddy sensor.

针对低碳钢t IG焊电涡流传感熔透控制，设计了一套计算机控制的研究装置。

6·The influence of He-to-Ar ratio in AC-TIG on the AZ31 welding properties was studied. The arc characters, weld penetration, joint forming were measured and analyzed.

探讨了氦气和氩气不同配比对AZ31 镁合金交流钨极惰性气体保护焊（TIG） 焊接性的影响，对不同气体配比的混合气体电弧特性、熔深、焊缝成型进行了分析和测定。

7·Test results indicate that compound process of laser welding can remarkably improve weld penetration and welding speed, therefore low power laser welder can be used for aluminum alloy welding.

试验结果表明，激光焊复合工艺可以显著提高焊缝熔深和焊接速度，从而实现采用小功率激光焊机实现铝合金激光焊接的目的。

8·When electrode negative ratio is zero, which is using MIG welding with DC ami welding wire being positive polarity, weld penetration is maximum , wire melting speed and deposition rate are minimum;

当负极性比率等于零即直流且焊丝为正极性的MIG焊时，其焊缝熔深最大，焊丝熔化系数最小，熔敷速度最小；

9·By comparing backgouging of plasma arc with carbon arc to the welded joint of 13-5 martensitic stainless steel, the backgouging of plasma arc is proved feasible for the full penetration weld.

通过对13 -5型马氏体不锈钢焊接接头进行等离子弧清根及碳弧气刨清根的比较，证明等离子弧清根对全焊透焊缝实施背面清根是可行的。

10·All butt, grooved t, and corner joints shall be complete joint penetration weld joints.

所有对接、T型槽和弯管接头都要完全侵入连接到焊接接头上。