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Electromagnetic Inspection and Diagnostics of Steel Ropes: Technology, Effectiveness and Problems, ET

Electromagnetic inspection has been used for steel wire rope nondestructive testing (NDT) for many decades. Today, this NDT area is rather wide and significant. The inspection technology varies widely as rope constructions and functions in different applications vary too. The state-of-the-art technology is based on modern materials, electronics, microcomputers, computer simulation of electromagnetic field and loss of rope strength process. Standards and norms play an important role in regulating the technology application during the entire rope lifetime, as do the inspection personnel training and their skill. New challenges come from offshore mining, suspended bridges, construction, high voltage overhead transmission lines, oil and gas drilling and so forth. On the other hand, the experience accumulated by design and application of magnetic and electromagnetic rope flaw detectors enables them to meet the challenges. Requests for rope monitoring come from the oil and gas industry as well as from mining now. This creates a need to automate process identification and evaluation of the rather big data volumes gathered.

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