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Nondestructive Evaluation (NDE) 19
Nondestructive Evaluation (NDE) techniques are a variety of measurement techniques used to gain information about a material or structure without damaging it. Some commonly used NDE techniques include ultrasonic testing, radiographic inspection, and eddy current testing. NDE techniques can be used to measure material properties such as conductivity and elastic stiffness, assess dimensions and structural configuration, and to detect indications of damage such as cracks and disbonds. Since the component being inspected is not damaged, it can then be used in its intended application. NDE techniques can be used at a variety of points during a components manufacture and lifetime to include screening of initial raw materials, inspection of machined and assembled components, and after intervals of usage. Some NDE methods can also be used for real time, in-situ Structural Health Monitoring (SHM) of components.