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'''This page is a sandbox, or scratchpad.'''
'''This page is a sandbox, or scratchpad.'''
NDT is divided into various ''methods'' of nondestructive testing, each based on a particular scientific principle. These methods may be further subdivided into various ''techniques''. The various methods and techniques, due to their particular natures, may lend themselves especially well to certain applications and be of little or no value at all in other applications. Therefore, choosing the right method and technique is an important part of the performance of NDT.


*[[Acoustic emission]] testing (AE or AT)
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*[[Blue Etch Anodize]] (BEA)
*[[Dye penetrant inspection]] or Liquid penetrant Testing (PT or LPI)
*[[Electromagnetic testing]] (ET) or Electromagnetic Inspection (commonly known as "EMI")
**[[Alternating current field measurement]] (ACFM)
**[[Alternating current potential drop measurement]] (ACPD)
**[[Barkhausen effect|Barkhausen]] testing
**[[Direct current potential drop measurement]] (DCPD)
**[[Eddy-current testing]] (ECT)
**[[Magnetic flux leakage]] testing (MFL) for pipelines, tank floors, and wire rope
**[[Magnetic-particle inspection]] (MT or MPI)
**[[Magnetovision]]
**[[Remote field testing]] (RFT)
*[[Ellipsometry]]
*[[Endoscope]] inspection
*[[Guided wave testing]] (GWT)
*[[Hardness testing]]
*[[Impulse excitation technique]] (IET)
*[[Microwave imaging]]
*[[Terahertz nondestructive evaluation]] (THz)
*[[Infrared and thermal testing]] (IR)
**[[Thermographic inspection]]
**[[Infrared thermal microscopy]]
*Laser testing
**[[Electronic speckle pattern interferometry]]
**[[Holographic interferometry]]
**[[Optical interferometry#Low-coherence interferometry|Low coherence interferometry]]
**[[Profilometer|Profilometry]]
**[[Shearography]]
*[[Leak#Leak testing|Leak testing]] (LT) or [[Leak detection]]
**Absolute pressure leak testing (pressure change)
**Bubble testing
**Halogen diode leak testing
**[[Hydrogen leak testing]]
**Mass spectrometer leak testing
**[[Tracer-gas leak testing method]] Helium, Hydrogen and refrigerant gases
*[[Magnetic resonance imaging]] (MRI) and [[NMR spectroscopy]]
* Metallographic replicas <ref>ASTM E1351: "Standard Practice for Production and Evaluation of Field Metallographic Replicas" (2006)</ref><ref>BS ISO 3057 "Non-destructive testing - Metallographic replica techniques of surface examination" (1998)</ref>
*[[Near-infrared spectroscopy]] (NIRS)
*[[Optical microscope|Optical microscopy]]
*Positive Material Identification (PMI)
*[[Radiographic testing]] (RT) (see also [[Industrial radiography]] and [[Radiography]])
**[[Photostimulated luminescence|Computed radiography]]
**[[Digital radiography]] (real-time)
**[[Neutron imaging|Neutron Imaging]]
**SCAR (Small Controlled Area Radiography)
**[[X-ray computed tomography]] (CT)
*Resonant Inspection
**Resonant Acoustic Method (RAM) <ref>"Fundamentals of Resonant Acoustic Method NDT" (2005)</ref>
*[[Scanning electron microscope|Scanning electron microscopy]]
*[[Surface Temper Etch]] (Nital Etch)
*[[Ultrasonic testing]] (UT)
**[[ART (Acoustic Resonance Technology)]]
*Angle beam testing
**[[Electro Magnetic Acoustic Transducer]] (EMAT) (non-contact)
**[[Laser ultrasonics]] (LUT)
**[[Internal rotary inspection system]] (IRIS) ultrasonics for tubes
**[[Phased array ultrasonics]]
*Thickness measurement
**[[Time of flight diffraction ultrasonics]] (TOFD)
**[[Time of Flight Ultrasonic Determination of 3D Elastic Constants]] (TOF)
* Vibration Analysis
*[[Visual inspection]] (VT)
**[[Pipeline video inspection]]
*[[Water weights|Weight and load testing]] of structures
* Corroscan/C-scan
* 3D Computed Tomography
**[[Industrial CT Scanning]]
* Heat Exchanger Life Assessment System
* RTJ Flange Special Ultrasonic Testing
Combination of PAUT and TOFD is proving an alternate of radiography in industry

Revision as of 17:41, 28 September 2017

This page is a sandbox, or scratchpad. NDT is divided into various methods of nondestructive testing, each based on a particular scientific principle. These methods may be further subdivided into various techniques. The various methods and techniques, due to their particular natures, may lend themselves especially well to certain applications and be of little or no value at all in other applications. Therefore, choosing the right method and technique is an important part of the performance of NDT.

Combination of PAUT and TOFD is proving an alternate of radiography in industry

  1. ^ ASTM E1351: "Standard Practice for Production and Evaluation of Field Metallographic Replicas" (2006)
  2. ^ BS ISO 3057 "Non-destructive testing - Metallographic replica techniques of surface examination" (1998)
  3. ^ "Fundamentals of Resonant Acoustic Method NDT" (2005)
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