Self-Lubricating Polytetrafluoroethylene/Polyimide Blends Reinforced with Zinc Oxide Nanoparticles

Figure 8

SEM impact-fracture surfaces. (a) PTFE/PI, (b) 3 wt% ZnO/PTFE/PI, and (c) 8 wt% ZnO/PTFE/PI. Deboned ZnO nanoparticles are marked by arrows.

(a)

(b)

(c)