Fig. 4
Fatigue resistance tests. a Stress-strain curves of bCAs with increasing dose of MWNTs at 100% tensile strain for 100 cycles (density: 9.7 mg cm−3). b, c Plastic deformation and energy loss coefficient (γ) during the first 100 tensile cycles in a. d Cyclical tensile-release curves for a designed bCA with stretchable ratio of 200%. e Cyclical stretching curves for 20 000 times at 25% stain at the rate of 0.01 s−1. f Fatigue resistance of bCA during 106 stretching cycles at 1% strain by DMA at 100 Hz
