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Ultrasonic flaw detection for high impedance materials using a transmission line coupling method

A method for the detection of hidden flaws close to the surface of the sample is described. The method uses a fused quartz rod coupled to the sample. The flaw is measured as a variation in the acoustic impedance. The experimental detection of hidden flaws in glass and aluminum is demonstrated.

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1997-05, Vol.36 (5B), p.3287-3289
Main Authors: YAMAGUCHI, H, YOSHIZAWA, M, TAGAWA, N, MORIYA, T, YAGI, S.-I
Format: Article
Language:English
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Description
Summary:A method for the detection of hidden flaws close to the surface of the sample is described. The method uses a fused quartz rod coupled to the sample. The flaw is measured as a variation in the acoustic impedance. The experimental detection of hidden flaws in glass and aluminum is demonstrated.
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.36.3287