Research Article
Effect of Exfoliation Corrosion on the Mechanical Properties of Friction Stir Spot Welded 2024-T3 AA Joints
Figure 11
SEM of the fracture surface of the tensile shear specimens (a) fracture surface of the lower sheet of as-welded specimens; (b)-(c) magnified views of points A and B, respectively; (d) fracture surface of the lower sheet of corroded specimens for 50 h; (d)-(e) magnified views of points C and D, respectively.
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |