活性剂对TA15钛合金对接及T形穿透焊接头的影响

Influence of active flux to butt weld and T type penetration weld of TA15 titanium alloy TIG weld

摘要: 穿透焊接头是钛合金薄壁结构的一种重要接头形式,文中从焊接参数、焊缝成形、焊缝气孔、焊缝金相、拉伸性能和气体含量等几个方面,阐述了活性焊剂技术对于TA15钛合金穿透焊接头的影响,同时与对接接头进行了比较.结果表明,活性焊剂技术对于穿透焊接头的焊接参数、焊缝成形、焊缝气孔和焊缝金相、气体含量等方面的影响规律与对接接头相类似,对于穿透焊接头静载强度的影响幅度与对接接头等同.

Abstract: Penetration welding is an important welding type in titanium thin sheet structures.Based on the analysis about welding parameter,weld shape,porosity,weld microstructure,tensile property、bending property,and gas amount,the influence of the A-TIG technique on penetration welding joint of the TA15 titanium alloy was investigated,also the contrast between penetration weld and butt weld was investigated.The results show that the A-TIG technique could make the similar influence on such respects as welding parameter,weld shape,porosity,weld microstructure,and gas amount to the both penetration weld and butt weld,also the similar influences of A-TIG on the tensile property、bending property to the penetration welding and the butt weld.