Cleaning of Graphite Particles Embedded in the Surface of Ductile Iron by Using a Novel Method

Figure 9

(a) The SEM image of a specimen cleaned 3 times by using the 320 W laser with 60 s time gap; (b) EDS analysis of a specimen cleaned 3 times by using the 320 W laser with 60 s time gap; (c) the SEM image of a specimen cleaned 3 times by using the 320 W laser without time gap.

(a)

(b)

(c)