Directivity Analysis of Angle Probes and Surface Defects by Ultrasonic Visualization Method

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1995
Authors
Nam, Y. H.
Date, K.
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Altmetrics
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Abstract

An ultrasonic non-destructive testing uses the directivity of the ultrasonic wave which propagates in one direction. The directivity is expressed as the relationship between the propagate direction and its sound pressure. It is, therefore, important for an ultrasonic testing to know the ultrasonic directivity, because it is closely related to determination of probe arrangement, testing sensitivity and scanning pitch, and accuracy of defect location and characterization.

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