Influence of Zig-Zag Edge Preparation and Material Positioning on Microstructural Evolution and Mechanical Characteristics of AA5083–AA8011 FSW Joints

Key Points

• Mechanical characteristics improve with optimized edge preparation techniques, enhancing joint performance.
• Key findings reveal that zig-zag edge preparation significantly impacts microstructural evolution in AA5083-AA8011 joints.
• Observational analysis using friction stir welding on aluminum alloys demonstrates distinct microstructural changes with different positioning.
• Highlights potential manufacturing improvements, suggesting that advanced preparation methods may enhance joint integrity.