Research Article
A Corrosion Detection Method for Steel Strands Based on LC Electromagnetic Resonance
Table 5
Test data of the third group of steel strands.
| | True rust rate (%) | Average true rust rate (%) | Resonant frequency (kHz) | Average frequency (kHz) | | Steel strands 7 | Steel strands 8 | Steel strands 9 | Steel strands 7 | Steel strands 8 | Steel strands 9 |
| | 0 | 0 | 0 | 0 | 371.144 | 370.143 | 369.676 | 370.321 | | 1.93 | 2.11 | 2.38 | 2.14 | 371.034 | 372.412 | 371.846 | 371.764 | | 3.93 | 3.98 | 4.72 | 4.21 | 372.806 | 373.004 | 373.808 | 373.206 | | 6.25 | 6.45 | 5.6 | 6.1 | 375.032 | 374.744 | 374.171 | 374.649 | | 7.84 | 7.93 | 8.17 | 7.98 | 376.023 | 375.903 | 376.35 | 376.092 | | 10.22 | 10.37 | 8.21 | 9.6 | 377.12 | 376.861 | 378.024 | 377.335 | | 12.37 | 12.72 | 11.81 | 12.3 | 378.594 | 378.902 | 379.435 | 378.977 |
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