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The performance of a non-destructive testing method can be evaluated using a set of tools which includes theoretical models. This description is dedicated to ultrasonic non-destructive testing. An exact formulation of the ultrasonic echo signals is discussed and shows how the interaction of a beam with a defect can be handled separately from the instrumentation characteristics and probe sensitivity. Some examples of applications concerning crack tip diffraction are given.

Additional information

Authors: LAKESTANI F, JRC Ispra (IT)
Bibliographic Reference: Paper presented: 6th European Conference on Non-Destructive Testing, Nice (FR), October 24-28, 1994
Availability: Available from (1) as Paper EN 38535 ORA
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