Research Article

Fracture Toughness Reliability in Polycarbonate: Notch Sharpening Effects

Figure 2

Micrographs of polycarbonate obtained via scanning electron microscopy of the crack tip front of the nontested S-Type sharpened specimens: (a) panoramic view where the arrow points out the end of the crack tip and the damage area has been outlined and (b) detail of the crack front.
187802.fig.002a
(a)
187802.fig.002b
(b)