Ultrasonic imaging using laser generation and piezoelectric air- coupled detection
Wright, WMD and Hutchins, D.A. and Hayward, Gordon and Gachagan, Anthony (1996) Ultrasonic imaging using laser generation and piezoelectric air- coupled detection. Ultrasonics, 34 (2-5). pp. 405-409. ISSN 0041-624X
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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.
| Author(s): | Wright, WMD, Hutchins, D.A., Hayward, Gordon and Gachagan, Anthony | Item type: | Article |
|---|---|
| ID code: | 47456 |
| Keywords: | composites, imaging of defects, piezoelectric air-coupled transducers, ultrasonic imaging, laser generation, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering |
| Subjects: | Technology > Electrical engineering. Electronics Nuclear engineering |
| Department: | Faculty of Engineering > Electronic and Electrical Engineering Technology and Innovation Centre > Sensors and Asset Management |
| Depositing user: | Pure Administrator |
| Date deposited: | 11 Apr 2014 10:50 |
| Last modified: | 03 Jan 2019 13:58 |
| URI: | https://strathprints.strath.ac.uk/id/eprint/47456 |
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