Friction Stir Welding of Al 5052 with Al 6061 Alloys
Figure 3
(a) Low-magnification optical micrograph of as-welded AA5052-AA6061 R1400F080 specimen. (b) Secondary electron image of region X in (a) corresponding to the interface of AA5052 and AA6061 in the nugget. (c) Intensity profiles of Al Kα, Mg Kα and Si Kα, X-ray lines along line PQ shown in (b).