Research Article
[Retracted] Analysis of Temperature Distribution and Mechanical Properties of Friction Stir Welding of Al-Cu Joints Using Hardened H13 Steel Tools
Figure 16
Vickers microhardness indentations: (Cu-AS) side: points 1–3 base metal area, points 3–6 HAZ and TMAZ, point 6 Al-Cu interface area (weld joint area), (Al-RS) side: points 6–9 TMAZ and HAZ, and points 9–11 base metal area (Al).