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Ultrasonic imaging using laser generation and piezoelectric air-coupled detection
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UNSPECIFIED (1996) Ultrasonic imaging using laser generation and piezoelectric air-coupled detection. In: Ultrasonics International 1995 (UI 95), EDINBURGH, SCOTLAND, JUL 05-07, 1995. Published in: ULTRASONICS, 34 (2-5). pp. 405-409. ISSN 0041-624X.
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Abstract
A non-contact ultrasonic system using a pulsed laser source and a wideband 1-3 connectivity PZT/epoxy composite transducer as a receiver has been used to produce images of defects in a variety of materials. Using both time and frequency information, through transmission images have been formed of delaminations and machined defects in both carbon fibre reinforced polymer (CFRP) and pultruded glass-fibre reinforced composites. Lamb waves have also been used to reconstruct tomographic images using a filtered back projection algorithm, for defects in thin plates of CFRP and Perspex.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) R Medicine |
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Journal or Publication Title: | ULTRASONICS | ||||
Publisher: | BUTTERWORTH-HEINEMANN LTD | ||||
ISSN: | 0041-624X | ||||
Official Date: | June 1996 | ||||
Dates: |
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Volume: | 34 | ||||
Number: | 2-5 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 405-409 | ||||
Publication Status: | Published | ||||
Title of Event: | Ultrasonics International 1995 (UI 95) | ||||
Location of Event: | EDINBURGH, SCOTLAND | ||||
Date(s) of Event: | JUL 05-07, 1995 |
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