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Sensors 2016, 16(12), 2110; doi:10.3390/s16122110

Airborne Transducer Integrity under Operational Environment for Structural Health Monitoring

Department of Aeronautics Imperial College, London SW7 2AZ, UK
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Author to whom correspondence should be addressed.
Academic Editors: Dipen Sinha and Cristian Pantea
Received: 24 October 2016 / Revised: 22 November 2016 / Accepted: 1 December 2016 / Published: 12 December 2016
(This article belongs to the Special Issue Ultrasonic Sensors)
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Abstract

This paper investigates the robustness of permanently mounted transducers used in airborne structural health monitoring systems, when exposed to the operational environment. Typical airliners operate in a range of conditions, hence, structural health monitoring (SHM) transducer robustness and integrity must be demonstrated for these environments. A set of extreme temperature, altitude and vibration environment test profiles are developed using the existing Radio Technical Commission for Aeronautics (RTCA)/DO-160 test methods. Commercially available transducers and manufactured versions bonded to carbon fibre reinforced polymer (CFRP) composite materials are tested. It was found that the DuraAct transducer is robust to environmental conditions tested, while the other transducer types degrade under the same conditions. View Full-Text
Keywords: temperature; vibration; Lamb wave; composites; non-destructive testing temperature; vibration; Lamb wave; composites; non-destructive testing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Salmanpour, M.S.; Sharif Khodaei, Z.; Aliabadi, M.H. Airborne Transducer Integrity under Operational Environment for Structural Health Monitoring. Sensors 2016, 16, 2110.

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