Research Article
[Retracted] Test and Detection of Antifreezing and Anticorrosion Performance of Carbon Nanofiber Bridge Concrete
Table 1
Main performance parameters of carbon nanotubes.
| Exterior | Pipe diameter/nm | Length/μm | Carbon content/% | Noncarbon phase material | Ash/% | Raman G/D value | Degree of graphitization/% | Volume resistivity/() |
| Black powder | 50–90 | 43–230 | >97 | Fe, S, O | <2.5 | >5.5 | >63 | <35 |
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