Overview of NDT Testing Equipment and Its Uses

NDT or non destructive testing is the way to acquire information about the properties, state, and optional defects of examined material or structure without interfering with its attributes. On the contrary to destructive testing, NDT or non-destructive testing doesn’t possess any physical influence on the structure. NDT testing has vast range of application as compared to destructive testing.

The major advantage of NDT over DT is that you can extract the physical properties and obtain detailed physical description of the tested object using NDT method. By applying right algorithms, users can determine the strength, thermal, or electromagnetic features of the material without overheating, bending, burning, breaking, loading, or destroying method.

NDT testing equipment

There are several NDT methods used by people-

  1. Visual testing
  2. Ultrasonic testing
  3. Thermography
  4. Electromagnetic testing
  5. Acoustic emission
  6. Radiography
  7. Laser technology

Acoustic testing is based on vibration and sound measurement generated by material itself. This process is performed when the object is exposed to load that result in material distortions, which are taken as indirect sound source.

Resonant inspection or resonant acoustics NDT (RI) relies on a non-complex modal analysis method. Modal analysis is concerned with finding the natural frequencies and vibration modes for object frequencies. RI helps in detecting faults like inconsistency of dimensions, mass, shape, cracks or density.

Ultrasound testing uses energy of the high frequencies sound waves. By using this technique, you can detect the existing defects.

Methods of NDT ultrasound testing:

  • Number of applied piezoelectric elements
  • Type of wave applied in the method
  • Distribution of piezoelectric elements
  • Data analysis method

When user performs the ultrasound test, its results are shown on screen. There are many ways to do this presentation and every way can be adjusted to the applied technique. The most preferred ways are as under-

  • A scan
  • B scan
  • C scan
  • S scan

To know more about these scans, you can ask the experts.

For more details on non destructive testing methods, you can browse online articles by typing “NDT testing methods” on search bar. You can read more about NDT testing equipment online. Feedback for this post is open. You can share your valuable comments below and ask experts about NDT testing and its methods and uses. There are readers who keep looking for real experiences stories, so share your experience with them here.

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