Eddy Current Testing Methods and Design for Pipeline Inspection System: A Review

Abstract Non-destructive testing and complex systems integration are commonly used in transportation, aircraft, automotive, manufacturing, petrochemical, defence. Eddy current (ECT) is a common non-destructive evaluation technique, especially the coating, nuclear, oil gas industries. However, eddy method must continue to focus on probe’s construction application. It ascribed noisy data inadequate detection severe false alarm problem. Nonetheless, only few academics have elaborated intelligent ECT crack method. This study provides an overview of technique probe structure design elements that influence fracture accuracy. The first section describes by encircling coil system for differential (ECDP) absolute (ECDP). explanations mostly creation Rotating electromagnetic field (RoFEC). advantages disadvantages surrounding probes analysed. In addition, summary prior studies investigating samples ferromagnetic pipe, steel rod, wire rope presented. second segment focuses employing Giant Magnetoresistance (GMR) sensor system, with particular emphasis arrays, GMR, conventional coils identification. Finally, comprehensive methods pipeline inspection