Abstract :Many components of TC4 titanium alloy should be manufactured by EBW in aeronautic industry, but the researches of weld residual stress for those were few at present.

• 摘要：航空领域中许多钛合金构件需要采用电子束焊接加工制造，但对其焊后的残余应力分布状况，目前研究较少。