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Surface Eddy Current Testing

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Surface Eddy Current Testing (ECT-Surface)

Surface Eddy Current is applied for detection of cracks on the surface of conductive materials. The method is very sensitive for detection of tight cracks. Both non-ferromagnetic (e.g. stainless steel, inconel, bronze etc.) and magnetic materials (e.g. carbon steel) can be inspected.

Basic Advantages

  • ECT is significantly more sensitive than PT for detection of tight cracks, e.g. Cl-SCC in austenitic stainless steels
  • ECT can inspect through paint coatings
  • For inspection of small areas, ECT is much faster. PT is slow because of the long dwell times.