UNSPECIFIED (1996) Ultrasonic imaging using laser generation and piezoelectric air-coupled detection. In: Ultrasonics International 1995 (UI 95), JUL 05-07, 1995, EDINBURGH, SCOTLAND.

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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)
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) R Medicine
Journal or Publication Title:	ULTRASONICS
Publisher:	BUTTERWORTH-HEINEMANN LTD
ISSN:	0041-624X
Date:	June 1996
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
URI:	http://wrap.warwick.ac.uk/id/eprint/18537

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