NDT Testing

Non destructive testing is a term used for the examination of materials and components. Experts use NDT testing equipment to perform testing in such a way that allows materials to be checked without destroying or changing their usefulness.

Such equipment can be used to determine size and surface location and subsurface defects and flaws. NDT has its significance in everyday life and is important to assure reliability and safety.

Usual instances can be found in aircraft, shuttle, auto motors, pipe lines, trains, bridges, refineries, buildings, power stations, and oil platforms which are all inspected with NDT.

NDT is a quality assurance management tool that can bring impressive results when experts make its best use. They have to understand methods available to them, their capabilities and limitations, specifications for doing the tests, and knowledge of the relevant standards.

Why NDT Testing Method is Applied

NDT Testing Methods

Materials, equipments, and products that fail to acquire their requirements related to design or projected life due to hidden defects may need expensive repair or early replacement.

Such defects may occur due to unsafe conditions or catastrophic failure and revenue loss due to unplanned plant shutdown. NDT Techniques can be used to monitor the integrity of the structure or product across its design life.

NDT is Used for Following Reasons

  • Accident prevention
  • Cost reduction
  • Product reliability enhancement
  • To give information on repair criteria
  • To determine acceptance to provided requirement

How To Gain Data and Obtain Valid Results with NDT Testing?

Experts take certain things into consideration to avail data and valid results from NDT testing. They consider:

  • Visual inspection
  • Acoustic emission
  • Liquid penetrant inspection
  • Magnetic particle inspection
  • Eddy current inspection
  • Ultrasonic inspection
  • Radiographic inspection

What Benefits are offered by NDT testing?

There are top benefits experts can avail from NDT testing.

1. Mitigate operational and environmental risks

NDT helps detect structural flaws and eliminate deficiencies of asset to prevent destruction or accident to infrastructure that could have affected the surrounding environment.

2. Reduce downtime

NDT keeps assets running and no operators are needed for shutting down the operations for testing procedures.

3. Enhance on-site safety

NDT promotes safe operation of assets and protected work environments for those on-site.

NDT testing equipment is applied by experts to avail benefits of the testing. If you need more details on testing and equipment, you can find a reliable partner who performs such testing.

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NDT Testing Equipment – A Important Need of the Industry

NDT is known as non- destructive because Non-destructive tests are performed in such a way that they do not affect the future use of the objects or material which are being tested. NDT Testing Equipment is performed on the equipment when the materials are in use.

NDT is caused by some factors. These factors are wear, fatigue, corrosion, stress, or many other factors. Examples of NDT equipment are ultrasonic thickness gauges and handheld X-ray fluorescence analyzers.

There are some methods which are used in NDT like:

  • Magnetic particle testing (MT): Magnetic Particle Examination to achieve by including a magnetic field into a material which is ferromagnetic.
  • Liquid penetrant testing (PT): Penetrant Examination is performed with the help of the dye solution.
  • Radiographic testing (RT): Radiographic examination involves using radioactive isotopes like gamma rays or X-rays on materials to look with difficult qualitatively.
  • Ultrasonic testing (UT): Ultrasonic examination uses high-frequency sound waves which transmit to detect discontinuities from the material.
  • Visual and optical (VT): visual and optical examination can be an effective way to recognize the surface imperfections because they can affect any part or any component.
  • Electromagnetic testing (ET)
  • Laser testing methods (LM)
  • Leak testing (LT)

Here there are some methods of NDT. NDT methods are used in the quality control procedure. These methods are used in aerospace, manufacturing, energy, and transport. Now let’s talk about the techniques of NDT. Non destructive testing is a group of techniques which is used in the industry of science and technology.

NDT technique is used to evaluate the properties of material, component or the system without causing any damage. Non- destructive testing equipment are basically used to find the size and helps to locate the flaws of surface and subsurface and also helps to locate the defect.

NDT is the process which is used in the evaluation of materials or components or responsive for the discontinuities or any difference in the characteristics without damaging or destroying the service of that part or system or used in inspection, testing.

NDT plays a very important role in daily life in assuring that the structure and mechanism of components perform their function in a safe or reliable manner and it is necessary to assure safety and reliability.

Due to NDT Testing Equipments, the materials and welds can be examined whether they are accepted or rejected or repaired in such a way that the material examined will not change or destroy their usefulness. When the test is completed the part can still be used.

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