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NDT – Eddy Current Electromagnetic Testing
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Electromagnetic Testing (ET), as a Non-Destructive Testing Method, is the process of inducing electric currents or magnetic fields both inside a test object and observing the electromagnetic response. If the test is set up correctly, a defect inside the test object creates a measurable response. Eddy Current Testing is a form of ET. Its application ranges from crack detection to the rapid sorting of small components for flaws, size or material variations. This method is used in the automotive, marine, manufacturing and aerospace industries. In the case of an energized coil approaching the surface of a metal component, eddy currents have an effect on the specimen. Thereby a magnetic field will be generated that shows opposition to the original magnetic field. This mechanical impedance of the coil is the result of the induced eddy currents modified by the presence of the flaws or material variations. The change of the impedance in the coil represents the characteristics of flaw or material condition. For more information and on NDT Eddy Current Testing send us your inquiry now! |
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