Research Article

The Effect of High Loaded Multiwall Carbon Nanotubes in Natural Rubber and Their Nonlinear Material Constants

Figure 7

AFM images taken on (a) unfilled and (b)–(e) MWCNTs filled samples.
(a) Unfilled NR
(b) 5 phr MWCNT filled NR
(c) 10 phr MWCNT filled NR
(d) 20 phr MWCNT filled NR
(e) 30 phr MWCNT filled NR