Research Article

Investigation of the Effect of Tool Temperature on Microstructure, Hardness, and Wear Behaviour of Aluminium 6061-T6 Alloy Welded by the Friction Stir Welding Process

Figure 9

Coefficient of friction (a) tool temperature of 40.5°C, (b) tool temperature of 46°C, and (c) tool temperature of 54°C.
(a)
(b)
(c)