Microstructure and Mechanical Properties of Electron Beam-Welded Joints of Titanium TC4 (Ti-6Al-4V) and Kovar (Fe-29Ni-17Co) Alloys with Cu/Nb Multi-Interlayer

Table 1

Chemical composition of base metals (wt.%).

Alloy	Mn	Si	C	Fe	Co	Ni	Ti	Al	V	N	H	O
TC4	—	0.15	0.1	0.3	—	—	Bal	6	4	0.05	0.015	0.2
4J29	0.4	0.2	0.02	Bal	17.3	29	—	—	—	—	—	—