Eddy Current Testing – ECT
Eddy current testing is a non-destructive material examination technique frequently used to detect near-surface defects of conductive materials.... Read More
Eddy current testing is a non-destructive material examination technique frequently used to detect near-surface defects of conductive materials.... Read More
Eddy current testing is a non-destructive material examination technique frequently used to detect near-surface defects of conductive materials. ECT works on the principle of electromagnetic induction to identify surface cracks, measure approximate dimensions of cracks, measure metal sheet thickness, identify corrosion in metal substrates with coatings, etc. It is widely used in aerospace and other manufacturing industries for inspection and quality control to ensure safe operation and avoid expensive equipment and component failure.
A simple single-element ECT probe consists of a copper coil that produces a magnetic field when excited with an alternating current. When this probe comes within proximity of a conductive material, its magnetic field induces currents in the material known as eddy currents. Industrial ECT probes have multiple small coils placed at various orientations, which dictates the probes’ sensitivity and applicability. ECT probes measure tiny variations in the eddy currents’ path with high sensitivity and detect even small cracks as they scan large surfaces of conductive materials. Handheld field probes and large fixed systems are available for varying applications making ECT a versatile tool for quick onsite inspections and complex laboratory studies. Remote Field Testing (RFT), Flux Leakage, and Barkhausen Noise are other testing methods that use the principle of eddy current testing.
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Our material testing labs regularly provide eddy current testing (ECT) as part of our non-destructive testing services for material examination.
Eddy current testing (ECT) is a non-destructive material examination technique frequently used to detect near-surface defects of conductive materials.
ECT is used to identify surface cracks, measure approximate dimensions of cracks, measure metal sheet thickness, identify corrosion in metal substrates with coatings, etc. It is suitable for aerospace and other manufacturing industries for inspection and quality control to ensure safe operation and avoid expensive equipment and component failure.
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