Examination of Friction Stir-Welded AA 6262/5456 Joints through the Optimization Technique

Figure 12

Optical microstructure image of the L22 specimen. (a) Al5456 base metal. (b) Al6262 base metal. (c) HAZ in Al5456. (d) HAZ in Al6262. (e) Weld nugget.

(a)

(b)

(c)

(d)

(e)