Research Article
[Retracted] Nondestructive Testing of Coal Mine Wire Ropes Based on Magnetic Sensors
Table 2
The relationship between the cross-sectional area of the test piece and the voltage.
| Cross-sectional area | Voltage | Remanence | Saturation magnetic induction | Breaking force |
| 52.13 | 97.6 | 764.8 | 2211.3 | 51.1 | 84.20 | 112.5 | 781.9 | 2754.2 | 66.4 | 117.64 | 133.9 | 796.1 | 2943.5 | 79.8 |
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