Research Article
Mechanical Properties of Epoxy and Its Carbon Fiber Composites Modified by Nanoparticles
Table 3
Flexural properties of unidirectional CF/epoxy composites.
| Composite | wt.% of filler | Strength (MPa) | Relative increase (%) | Modulus (GPa) | Relative increase (%) |
| CF/EP | 0 | 701 ± 48 | — | 57.1 ± 1.3 | — | CF/EP-silica | 10 | 728 ± 54 | 3.9 | 62.9 ± 0.9 | 10.2 | CF/EP-silica | 20 | 818 ± 24 | 16.7 | 70.8 ± 2.4 | 24.0 | CF/EP-halloysite | 5 | 728 ± 12 | 3.9 | 72.5 ± 2.2 | 27.0 | CF/EP-halloysite | 10 | 838 ± 22 | 19.6 | 68.0 ± 1.9 | 19.1 | CF/EP-rubber | 20 | 554 ± 75 | −20.9 | 58.5 ± 1.0 | 2.6 |
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