Fig 2.5 (a) Perturbation plot showing the effects of all factors, and contour graphs illustrating the interaction effects of (b) P and S for F = 300μm; (c) S and F for P = 950W; and (d) P and F for S= 6 m/min on weld width

Fig 2.5 (a) Perturbation plot showing the effects of all factors, and contour graphs
illustrating the interaction effects of (b) P and S for F = 300μm; (c) S and F for P =
950W; and (d) P and F for S= 6 m/min on weld width