Practical Failure Analysis

, Volume 3, Issue 3, pp 17–31 | Cite as

An overview of nondestructive evaluation methods

  • Marvin Trimm
Features Evaluations


ondestructive evaluation is described as nondestructive testing (NDT), nondestructive inspection (NDI), and nondestructive examination (NDE). The activities associated with the evaluation include testing, inspection, and examination and primarily involve looking at (or through) and/or measuring some characteristic of an object. Frequently there is a desire to determine some characteristic of the object or to determine whether the object contains irregularities, discontinuities, or flaws. These examinations, inspections, or tests are used to determine the physical soundness of a material without impairing its usefulness. Nondestructive evaluation is a powerful tool that can help assure safety, quality, and reliability; increase productivity; decrease liability; protect the environment; and save money. In this article, nondestructive evaluation is represented by the acronym NDE.


Acoustic Emission Magnetic Particle Visual Examination Leak Testing Permanent Record 
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Copyright information

© ASM International - The Materials Information Society 2003

Authors and Affiliations

  • Marvin Trimm
    • 1
  1. 1.Savannah River Technology Center, NDE and Materials ReliabilityAiken

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