Table 4.
Tensile characteristics of filaments, 3D printed, and pressed samples.
| Filament Samples | Young’s Modulus, MPa | Ultimate Strength, MPa | Yield Strength, MPa | Elongation at Ultimate Strength, % | Toughness J/mm3 |
|---|---|---|---|---|---|
| 6MWCNT | 702 ± 66 | 41.2 ± 7.4 | 7.8 ± 1.0 | 9.4 ± 0.5 | 2.0 ± 0.4 |
| 1.5GNP/4.5MWCNT | 911 ± 82 | 35.1 ± 4.3 | 6.4 ± 0.3 | 6.2 ± 0.6 | 1.1 ± 0.2 |
| 3GNP/3MWCNT | 1075 ± 136 | 31.6 ± 4.4 | 4.3 ± 0.6 | 5.1 ± 0.3 | 0.8 ± 0.2 |
| 4.5GNP/1.5MWCNT | 982 ± 89 | 33.7 ± 3.9 | 6.1 ± 0.6 | 5.6 ± 0.6 | 0.9 ± 0.2 |
| 6GNP | 1122 ± 108 | 32.3 ± 2.6 | 6.0 ± 0.6 | 4.9 ± 1.5 | 0.8 ± 0.2 |
| 3D printed Samples | |||||
| 6MWCNT | 646 ± 53 | 17.7 ± 2.2 | 4.6 ± 0.6 | 6.0 ± 0.3 | 0.7 ± 0.1 |
| 1.5GNP/4.5MWCNT | 713 ± 39 | 21.5 ± 3.4 | 2.8 ± 0.4 | 4.0 ± 0.5 | 0.4 ± 0.1 |
| 3GNP/3MWCNT | 703 ± 109 | 25.9 ± 2.5 | 5.1 ± 0.8 | 5.6 ± 0.7 | 0.7 ± 0.2 |
| 4.5GNP/1.5MWCNT | 614 ± 96 | 23.4 ± 1.4 | 4.0 ± 0.8 | 4.8 ± 0.6 | 0.5 ± 0.1 |
| 6GNP | 546 ± 93 | 24.4 ± 2.0 | 4.4 ± 1.4 | 6.0 ± 0.2 | 0.7 ± 0.1 |
| Hot-pressed Sample | |||||
| 6MWCNT | 686 ± 94 | 22.0 ± 2.7 | 4.3 ± 0.2 | 5.1 ± 0.4 | 0.7 ± 0.1 |
| 1.5GNP/4.5MWCNT | 627 ± 58 | 27.8 ± 1.4 | 2.0 ± 0.9 | 3.7 ± 0.4 | 0.4 ± 0.1 |
| 3GNP/3MWCNT | 568 ± 75 | 26.1 ± 3.5 | 1.8 ± 0.5 | 6.2 ± 0.8 | 0.8 ± 0.2 |
| 4.5GNP/1.5MWCNT | 727 ± 70 | 29.8 ± 1.9 | 2.1 ± 0.3 | 6.2 ± 0.6 | 0.9 ± 0.1 |
| 6GNP | 743 ± 68 | 26.1 ± 1.9 | 5.3 ± 0.5 | 6.2±0.7 | 0.9±0.2 |