Non-Destructive Testing Methods (NDT)

Definition - What does Non-Destructive Testing Methods (NDT) mean?

Non-Destructive Testing Methods are testing methods that are divided depending upon distinct scientific principles. The methods are further divided into several techniques. These methods are used in fabrication, in-service and manufacturing inspections to assure the product reliability and integrity so as to lower the production costs, maintain the level of uniform quality and control the process of manufacturing. The methods do not destroy or alter the products being inspected permanently hence they can save time and money both in the product research, evaluation and troubleshooting.

Petropedia explains Non-Destructive Testing Methods (NDT)

Non-Destructive Testing Methods are commonly used for inspecting and ensuring that products and systems perform their respective functions in a cost effective and reliable way. These methods are applied carefully so that they do not affect the future effectiveness of the product. They are the most frequently used methods in the fields of electrical engineering, systems engineering, forensic engineering, aeronautical engineering, medical applications, aerospace, mechanical engineering and civil engineering. The commonly used methods are as follows:

  • The Leak Testing Method.
  • The Acoustic Emission Testing Method.
  • The Liquid Penetrant Testing Method.
  • The Vibration Analysis Method.
  • The Ultrasonic Testing Method.
  • The Electromagnetic Testing Method.
  • The Magnetic Flux Leakage Method.
  • The Thermal of Radiographic Testing Method.
  • The Guided Wave Testing Method.
  • The Magnetic Particle Testing Method.
  • The Neutron Radiographic Testing Method.
  • The Laser Testing Method.
  • The Radiographic Testing Method.
  • The Visual Testing Method.
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