Research Article

[Retracted] Analysis of Temperature Distribution and Mechanical Properties of Friction Stir Welding of Al-Cu Joints Using Hardened H13 Steel Tools

Table 4

Various trials with respective welding tool rotation, feed rates, and tool pin profile.

TrialTool rotational speed (rpm)Feed rate (mm/min)Tool pin profile

1100010Round
2110015Round
3120020Square
4100010Square
5120015Square