The use of 0-3 piezocomposite embedded Lamb wave sensors for detection of damage in advanced fibre composites

The use of smart damage-detection systems may have considerable benefits for equipment operators. As sensing elements for a health-monitoring array, piezoelectric elements offer potential benefits. In particular, 0-3 piezocomposite elements have been identified as good candidates since they offer th...

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Bibliographic Details
Published in:Smart materials and structures 2000-06, Vol.9 (3), p.291-297
Main Authors: Badcock, R A, Birt, E A
Format: Article
Language:English
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Summary:The use of smart damage-detection systems may have considerable benefits for equipment operators. As sensing elements for a health-monitoring array, piezoelectric elements offer potential benefits. In particular, 0-3 piezocomposite elements have been identified as good candidates since they offer the potential for embedment within the advanced fibre composites. Ultrasonic Lamb waves have been shown to offer a technique for large-area damage detection for composites. It has been shown that the use of the So Lamb mode may enable a quantitative estimate of the degree of damage to be obtained. A comparison of various transducer elements for Lamb wave detection is made and the use of embedded 0-3 piezocomposite elements demonstrated. Advanced composites include both GFRP and CFRP.
ISSN:0964-1726
1361-665X
DOI:10.1088/0964-1726/9/3/307