Table 2
Strain ratioαof CNT to polymer at various CNT loadings
CNT loadingWf(wt.%)	Strain ratioαin Equation3
2	0.183
3	0.134
4	0.106
5	0.088

CNT, carbon nanotube; W_f, CNT loading; ε_CNT, strain of CNT; ε_Poly, strain of polymer.

Hu et al. Nanoscale Research Letters 2012 7:402   doi:10.1186/1556-276X-7-402