Wear Inducing Phase Transformation of Plasma Transfer Arc Coated Tools during Friction Stir Welding with Al Alloy

Figure 11

The wear resistance of the SKD61-ST1, annealed SKH51 (SKH51-A), tempered SKH51 (SKH51-T), and tungsten-carbide cobalt (TCC) stirring tool after FSW walking five meters and measurement of the amount of wear.