Weldability Investigation and Optimization of Process Variables for TIG-Welded Aluminium Alloy (AA 8006)

Figure 16

(a) Contour plot of hardness vs. peak current. (b) Contour plot of hardness vs. peak current, base current, and welding speed. (c) Contour plot of hardness vs. welding speed and peak current.

(a)

(b)

(c)