Structure and Microhardness of Cu-Ta Joints Produced by Explosive Welding

Figure 3

Structure of the intermediate layer with a heterophase structure after explosive welding of copper and tantalum plates (a–e) and after heating for 1 hour at 900°C (f, g). (e) is a scanning electron micrograph, and the other images are transmission electron micrographs.

(a)

(b)

(c)

(d)

(e)

(f)

(g)