Research Article
Self-Healing Polyurethane-Based Nanocomposites Modified with Carbon Fibres and Carbon Nanotubes
Table 4
Comparison of fracture works of undamaged, damaged, and healed samples under tensile tests.
| | Type of sample | Fracture work of undamaged samples (N·mm) | Fracture work of damaged samples (N·mm) | Fracture work after 1st C/H cycle (N·mm) | Recovered fracture work (J/mm2) | Strain to fracture (%) |
| | PU40_CNT0_CF0 | 131.5 | 62.8 | 112.7 | 49.9 | 18.1 | | PU40_CNT2_CF0 | 270.2 | 101.4 | 174.6 | 73.2 | 16.2 | | PU40_CNT2_CF3 | 652.2 | 161.4 | 246.4 | 85.0 | 12.5 |
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