Research Article
A Corrosion Detection Method for Steel Strands Based on LC Electromagnetic Resonance
Table 4
Test data of the second group of steel strands.
| | True rust rate (%) | Average true rust rate (%) | Resonant frequency (kHz) | Average frequency (kHz) | | Steel strands 4 | Steel strands 5 | Steel strands 6 | Steel strands 4 | Steel strands 5 | Steel strands 6 |
| | 0 | 0 | 0 | 0 | 371.104 | 370.383 | 368.405 | 369.964 | | 1.97 | 2.07 | 2.26 | 2.1 | 370.994 | 372.652 | 370.575 | 371.407 | | 3.97 | 3.94 | 3.76 | 3.89 | 372.766 | 373.244 | 372.537 | 372.849 | | 6.29 | 6.41 | 5 | 5.9 | 374.992 | 374.984 | 372.9 | 374.292 | | 7.88 | 7.89 | 8.83 | 8.2 | 375.983 | 376.143 | 375.079 | 375.735 | | 10.26 | 10.33 | 9.02 | 9.87 | 377.08 | 377.101 | 377.35 | 377.177 | | 12.41 | 12.68 | 10.7 | 11.93 | 378.554 | 379.142 | 378.164 | 378.62 |
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