Surface Layer Properties after Successive EDM or EDA and Then Superficial Roto-Peen Machining

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 𝑛=4100 (obr/min), 𝑡=75 (s).

(a)

(b)