801850.fig.003a
(a)
801850.fig.003b
(b)
Figure 3: Impedance analysis: Nyquist plot for (a) epoxy and 0.1 wt% MWNT-epoxy nanocomposite; (b) 0.15 wt% MWNT-epoxy nanocomposite. Frequency range: from 100 kHz to 12 Hz.