Research Article
Self-Monitoring of Reinforced Concrete Beam Bending with Carbon Nanofiber Polyurethane Composite
Table 9
Basic properties of PAN-based carbon fibers.
| | Diameter | Tensile strength | Modulus of elasticity | Carbon content | Elongation | Density | Volume resistivity |
| | 7.0–10 μm | 3.6–3.8 GPa | 240–280 GPa | ≥95% | 1.5% | 1.6–1.76 g/cm3 | 1.5 × 10−3 Ω·cm |
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