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Impact on the mechanical integrity of carbon fibre reinforced composite plates incorporating embedded piezoceramic transducers

Gachagan, A. and Hailu, B. and McNab, A. and Lang, W. and Hendry, J. and Hayward, G. and Banks, W. (2003) Impact on the mechanical integrity of carbon fibre reinforced composite plates incorporating embedded piezoceramic transducers. In: 30th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2003-07-27 - 2003-08-01, Green Bay.

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Abstract

This paper describes the integration of piezoelectric ceramic transducers within a carbon fibre reinforced polymer composite plate for the generation of a pure, zeroth order symmetric ultrasonic Lamb wave. The lateral dimensions of the transducers were in the order of 5mm - 12mm, which were considered suitable for practical embedding purposes. The composite plate configuration used throughout is an uni-directional structure, with the transducer embedded exactly within the centre. The mechanical integrity of composite plates was measured through both conventional c-scans and four point flexural tests. Importantly, degradation of the flexural modulus is shown to be less than 10% for the embedded transducer configuration. Finally, the transducer was observed to continue operating in pulse-echo mode when a load in excess of 3500N was applied to the plate structure.

Item type: Conference or Workshop Item (Paper)
ID code: 39216
Keywords: impact, mechanical integrity, carbon fibre, reinforced composite plates, embedded piezoceramic transducers, mechanical strength, embedded systems, piezoelectric transducers, nondestructive testing, plates (structures), carbon fibre reinforced composites, composite materials, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Faculty of Engineering > Mechanical and Aerospace Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 17 Apr 2012 16:05
    Last modified: 17 Jul 2013 15:12
    URI: http://strathprints.strath.ac.uk/id/eprint/39216

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