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Remote monitoring of plate-like structures using guided wave arrays

Fromme, P; Wilcox, P; Cawley, P; (2003) Remote monitoring of plate-like structures using guided wave arrays. In: Thompson, DO and Chimenti, DE, (eds.) REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 22A AND 22B. (pp. 157 - 164). AMER INST PHYSICS

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Abstract

A permanently attached guided wave array for the constant monitoring of defects in plate-like structures is designed and a prototype built. Employing the first antisymmetric Lamb wave mode A(0), the condition of large areas can be monitored from a single position of the device with minimum power consumption, necessary for long term operation independent of external power sources. The performance of the piezoelectric transducer elements used for the excitation and measurement of the A(0) mode is studied. Preliminary measurement results on an aluminum plate containing a model defect are presented.

Type: Proceedings paper
Title: Remote monitoring of plate-like structures using guided wave arrays
Event: 29th Annual Review of Progress in Quantitative Nondestructive Evaluation
Location: WESTERN WASHINGTON UNIV, BELLINGHAM, WA
Dates: 2002-07-14 - 2002-07-19
ISBN: 0-7354-0117-9
Keywords: LAMB WAVE, INSPECTION
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/60000
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