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Proceedings Paper

Embedded fibre Bragg grating array sensors in aluminium alloy matrix by ultrasonic consolidation
Author(s): Chengbo Mou; Pouneh Saffari; Dezhi Li; Kaiming Zhou; Lin Zhang; Rupert Soar; Ian Bennion
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Paper Abstract

Fibre Bragg Grating (FBG) array sensors have been successfully embedded in aluminium alloy matrix by ultrasonic consolidation (UC) technique. The temperature and loading responses of the embedded FBG arrays have been systematically characterised. The embedded grating sensors exhibit an average temperature sensitivity of ~36pm/°C, which is three times higher than that of normal FBGs, and a loading responsivity of ~0.1nm/kg within the dynamic range from 0kg to 3kg. This initial experiment clearly demonstrates that FBG array sensors can be embedded in metal matrix together with other passive and active fibres to fabricate smart materials to monitor the operation and health of engineering structures.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70044B (16 May 2008); doi: 10.1117/12.786065
Show Author Affiliations
Chengbo Mou, Aston Univ. (United Kingdom)
Pouneh Saffari, Aston Univ. (United Kingdom)
Dezhi Li, Loughborough Univ. (United Kingdom)
Kaiming Zhou, Aston Univ. (United Kingdom)
Lin Zhang, Aston Univ. (United Kingdom)
Rupert Soar, Loughborough Univ. (United Kingdom)
Ian Bennion, Aston Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors
David Sampson; Stephen Collins; Kyunghwan Oh; Ryozo Yamauchi, Editor(s)

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