Research Article
Improving the Interfacial Bond Properties of the Carbon Fiber Coated with a Nano-SiO2 Particle in a Cement Paste Matrix
Table 4
Element analysis results of the carbon fiber surface.
| | Carbon fiber in the cement paste matrix | Element content (%) | | C | O | Si | Ca | Mg | Al | S | K |
| | Plain carbon fiber without SF | 97.49 | 2.51 | — | — | — | — | — | — | | Plain carbon fiber with 10 wt.% SF | 94.41 | 5.59 | — | — | — | — | — | — | | Nano-SiO2-coated carbon fiber without SF | 69.93 | 24.80 | 0.83 | 2.79 | 1.2 | 0.19 | 0.10 | 0.16 | | Nano-SiO2-coated carbon fiber with 10 wt.% SF | 55.41 | 30.7 | 4.32 | 7.99 | 0.36 | 0.64 | 0.33 | 0.25 |
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