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2. Nondestructive testing - Wikipedia

   en.wikipedia.org/wiki/Nondestructive_testing

   Non-Destructive Testing (NDT/ NDT testing) Techniques or Methodologies allow the investigator to carry out examinations without invading the integrity of the engineering specimen under observation while providing an elaborate view of the surface and structural discontinuities and obstructions. The personnel carrying out these methodologies ...

3. Cascade chart (NDI interval reliability) - Wikipedia

   en.wikipedia.org/wiki/Cascade_chart_(NDI...

   The non-destructive inspection (NDI) technique must have a high probability of detecting a crack in the material. If missed, a crack may lead the structure to a catastrophic failure before the next inspection. On the other hand, the inspection interval cannot be too frequent that the structure's maintenance is no longer profitable.

4. Alternating current field measurement - Wikipedia

   en.wikipedia.org/wiki/Alternating_Current_Field...

   Alternating current field measurement (ACFM) is an electromagnetic technique for non-destructive testing detection and sizing of surface breaking discontinuities. It was derived from the methods used in eddy-current testing and works on all metals, ferrous or non-ferrous. Since it doesn't require direct electrical contact with the surface it ...

5. Eddy-current testing - Wikipedia

   en.wikipedia.org/wiki/Eddy-current_testing

   Frost & Sullivan analysis in the global NDT equipment market in 2012 estimated the magnetic and electromagnetic NDT equipment market at $220 million, which includes conventional eddy current, magnetic particle inspection, eddy current array, and remote-field testing. This market is projected to grow at 7.5% compounded annual growth rate to ...

6. Ultrasonic thickness measurement - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_Thickness...

   In the field of industrial ultrasonic testing, ultrasonic thickness measurement (UTM) is a method of performing non-destructive measurement (gauging) of the local thickness of a solid element (typically made of metal, if using ultrasound testing for industrial purposes) based on the time taken by the ultrasound wave to return to the surface.

7. Magnetic particle inspection - Wikipedia

   en.wikipedia.org/wiki/Magnetic_particle_inspection

   ISO 9934-3, Non-destructive testing - Magnetic particle testing - Part 3: Equipment; ISO 10893-5, Non-destructive testing of steel tubes. Magnetic particle inspection of seamless and welded ferromagnetic steel tubes for the detection of surface imperfections ; ISO 17638, Non-destructive testing of welds - Magnetic particle testing; ISO 23278 ...