Table 4.
Mechanical properties of CS/ND composites measured by nano-indentation.
| Sample Composites | Young‘s Modulus (GPa) | Improvement (%) | Hardness (GPa) | Improvement (%) |
|---|---|---|---|---|
| CS/ 0 wt % ND | 2.22 ± 0.06 | 0 | 0.17 ± 0.01 | 0 |
| CS/ 1 wt % ND | 7.55 ± 0.09 | 239 | 0.28 ± 0.01 | 68 |
| CS/ 2 wt % ND | 8.35 ± 0.17 | 276 | 0.33 ± 0.01 | 96 |
| CS/ 3 wt % ND | 9.37 ± 0.20 | 321 | 0.36 ± 0.01 | 114 |
| CS/ 4 wt % ND | 9.61 ± 0.23 | 333 | 0.37 ± 0.02 | 118 |
| CS/ 5 wt % ND | 9.83 ± 0.20 | 343 | 0.38 ± 0.01 | 127 |
| CS/ 1 wt % ASND | 7.14 ± 0.20 | 221 | 0.21 ± 0.01 | 26 |
Note: the errors are the standard deviation based on 20 measurements.