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。
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。
Do spot welding experiments to aluminum alloy plate in the same condition of simulation, prepare low magnification metallographic photos of joint, and measure nugget diameter and penetration rate.
采用与模拟一致的工艺参数对铝合金板材分别进行点焊实验，制取接头低倍金相照片，并测量熔核直径和焊透率。
Porosity is apt to occur in deep penetration laser beam welding, which has severe influence on the mechanical properties of laser welded joint.
针对激光深熔焊过程中易出现的气孔问题，作者提出光束摆动激光焊接减小气孔倾向的工艺。
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。
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。
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