Influence of Drilling Parameters on the Delamination and Surface Roughness of Insulative-Coated Glass/Carbon-Hybrid Composite

Figure 15

Microscopic image of drilled hole wall: (a) 6000 RPM, 0.02 mm/rev, and 1.5 mm thick coating; (b) 6000 RPM, 0.08 mm/rev, and 2.0 mm thick coating.

(a)

(b)