Fig. 10

FESEM micrograph with non-contact optical profilometer’s image at (a) high discharge energy setting (Pon = 135 µs, Poff = 55 µs, Ip = 16 A, and SV = 35 vol) and (b) low discharge energy setting (Pon = 115 µs, Poff = 65 µs, Ip = 12 A, and SV = 55 V).