723919.fig.0014a
(a)
723919.fig.0014b
(b)
723919.fig.0014c
(c)
Figure 14: Stereometric image of the surface subjected to the: (a) EDM: cooper electrode, I = 32 (A), Ti = 800 (μs); (b) EDA: 1H18N9 electrode, I = 32 (A), Ti = 3200 (μs); (c) EDA + roto peen; 𝑛 = 4 1 0 0  (rev/min), 𝑡 = 7 5  (s).