[Retracted] Nondestructive Testing of Coal Mine Wire Ropes Based on Magnetic Sensors

Table 3

The relationship between fatigue damage and magnetic parameters.

Cycles	Saturation magnetic induction	Remanence	Residual strength
1	2176.4	771.3	70.2
3	2173.2	766.8	67.3
5	2171.8	763.5	65.5
7	2170.1	761.4	63.1
9	2168.3	760.2	62.2
11	2164.9	759.3	61.4
13	2162.1	757.6	60.6
15	2160.7	755.8	59.3
17	2158.5	753.7	58.0