723919.fig.0013a
(a)
723919.fig.0013b
(b)
Figure 13: Stereometric image of the surface subjected to the: (a) EDA: 1H18N9 electrode, I = 24 (A), Ti = 400 (μs), U = 200 (V), (c) EDA + roto peen  (obr/min),  (s).