Effect of Friction Stir Welding on the Mechanical and Microstructural Behaviour of AA7075 Aluminium Alloy

Figure 6

Macroscopic view of (a) weld at 0° tool angle, (b) weld at 1.5° tool angle, (c) weld with tunnel, and (d) distinct weld zones.

(a)

(b)

(c)

(d)