Research Article

A Study of Surface Modifications of Carbon Nanotubes on the Properties of Polyamide 66/Multiwalled Carbon Nanotube Composites

Figure 7

Elastic modulus (a) and nano-hardness (b) of PA66 and PA66/MWCNT composites with 1.0 wt% MWCNTs (left: before friction test and right: after friction test).
252417.fig.007a
(a)
252417.fig.007b
(b)