Mechanical and Formability Evaluation of ST14 Alloys Welded by Friction Stir Welding

Figure 13

Dome-limited height test specimens. (a) Raw sheet ST14. (b) Welded specimen with nonoptimal parameters. (c) Welded specimen with optimal welding procedure parameters. (d) Welded sample with optimal welding root parameters.

(a)

(b)

(c)

(d)