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

Figure 11

Formation process of the fusion zone of the titanium alloy side: (a) surface contact; (b) element diffusion and nucleation; (c) growth of grains; (d) formation of the solid solution and IMCs.

(a)

(b)

(c)

(d)