Research Article

Effect of Traverse Speed on the Defect Characteristic, Microstructure, and Mechanical Property of Friction Stir Welded T-Joints of Dissimilar Mg/Al Alloy

Figure 12

Typical images (OM) of microstructure: (a) the IS with 30 mm/min; (b) the LS with 50 mm/min; (c) the ES with 65 mm/min.