Pulse echo/through transmission ultrasonic testing

Details Pulse echo/through transmission ultrasonic testing Pulse echo/through transmission ultrasonic testing

2008-05-06

2010-11-02

Williams, Hezron (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C073S623000, C073S624000

Reexamination Certificate

active

07823451

ABSTRACT:
Ultrasonic testing on a part includes scanning the part while performing pulse echo and through transmission ultrasonic testing on the part; converting pulse echo data into time of flight (TOF) and amplitude channels, and converting through transmission data into a data representation that identifies porosity. The testing further includes analyzing the pulse echo TOF to identify locations of any anomalies in the part, and using loss of back (LOB) at each of the identified locations to discriminate low porosity from other anomalies.

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T.E. Michaels, “Application of Acoustic Wavefield Imaging to non-contact ultrasonic inspection of bonded components” Review of Quantitative Nondestructive Evaluation, vol. 25, American Inst. of Physics, 0-7354-0312-0/06 (2006).

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