Table 1 Tensile strengths and relative tensile strengths of defective zigzag and armchair SCNTs
Zigzag SCNTs | Armchair SCNTs | ||||
|---|---|---|---|---|---|
Defective models | Strength (GPa) | Relative strength \({\sigma }_{d}/{\sigma }_{0}\) | Defective models | Strength (GPa) | Relative strength \({\sigma }_{d}/{\sigma }_{0}\) |
Defect-free | 27.45 | 1.000 | Defect-free | 22.22 | 1.000 |
1 V | 20.28 | 0.739 | 1H | 22.13 | 0.996 |
1D | 25.12 | 0.915 | 1D | 19.71 | 0.887 |
2D_0°_con | 24.55 | 0.894 | 2H_0°_con | 22.24 | 1.001 |
2D_0°_dis | 24.64 | 0.898 | 2H_0°_dis | 22.41 | 1.009 |
3D_0°_con | 24.79 | 0.903 | 3H_0°_con | 22.19 | 0.999 |
3D_0°_dis | 25.58 | 0.932 | 3H_0°_dis | 22.84 | 1.028 |
2D_30°_con | 21.33 | 0.777 | 2D_60°_con | 15.73 | 0.708 |
2D_30°_dis | 24.41 | 0.889 | 2D_60°_dis | 15.80 | 0.711 |
3D_30°_con | 18.36 | 0.669 | 3D_60°_con | 13.58 | 0.611 |
3D_30°_dis | 23.98 | 0.874 | 3D_60°_dis | 15.39 | 0.693 |
2V_90°_con | 16.97 | 0.618 | 2D_90°_con | 15.84 | 0.713 |
2V_90°_dis | 15.35 | 0.632 | 2D_90°_dis | 16.78 | 0.755 |
3V_90°_con | 13.31 | 0.485 | 3D_90°_con | 13.65 | 0.614 |
3V_90°_dis | 15.24 | 0.555 | 3D_90°_dis | 15.79 | 0.711 |