Abstract
Signals received from the magnetic testing of steel rope vary depending on the location of the defect in the rope's cross-section. Measurements of the radial and tangential components of the leakage flux performed with a single Hall-effect probe have shown significant variations of the distribution of these components around the rope. The Hall-effect sensor, built in such a way that it measures the average value of the tangential component, indicates stronger and narrower signals from defects positioned closer to the rope's surface. This effect can be used to determine the depth of the flaw's location, which is especially useful in the testing of locked-coil ropes.
Published Version
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