Comparison of Laser-Beam Welding and Friction Stir Welding of Age-Hardenable Aluminum Alloys

摘要

In the present study, a laser-beam welded Al-Li-Mg-Zr-Sc alloy and a friction stir welded Al-Mg-Si-Cu alloy were investigated. Hardness measurements and tensile tests were used to determine mechanical properties. The microstructure was characterized in the weld and in the heat affected zone using optical and electron microscopy.