Based on analysising characteristic of BT5-1 titanium alloy and C-103 niobium alloy, and peculiarity of electron beam welding(EBW), BT5-1 and C-103 was welded by EBW.

• 基于BT5 1钛合金与C 103铌合金性能的分析和电子束焊接的特点,实现了 BT5 1 与 C 103 的电子束焊接。