Study on the Synergies of Nanoclay and MWCNTs to the Flame Retardant and Mechanical Properties of Epoxy Nanocomposites

Figure 3

FE-SEM image of the fractured surface dragging the nanocomposite materials MWCNTs/epoxy E 240: (a) ultrasonic vibration for 6 hours; (b) stirring mechanically for 7 hours, ultrasonic vibration for 6 hours; (c) stirring mechanically for 8 hours, ultrasonic vibration for 6 hours; (d) stirring mechanically for 9 hours, vibrating ultrasound for 6 hours.

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(b)

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(d)