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Use of conventional and chirped optical fibre Bragg gratings to detect matrix cracking damage in composite materials

Use of conventional and chirped optical fibre Bragg gratings to detect matrix cracking damage in composite materials
Use of conventional and chirped optical fibre Bragg gratings to detect matrix cracking damage in composite materials
A comparison is made between conventional (i.e. uniform) and chirped optical fibre Bragg gratings (FBGs) for the detection of matrix cracking damage in composite materials. Matrix cracking damage is generally the first type of visible damage to develop under load in the off-axis plies of laminated composites and is generally the precursor of more serious damage mechanisms, particularly delamination. The detection of this type of damage is thus important, particularly in aerospace applications. Using a uniform FBG, characteristic changes develop in the reflected spectrum which can be used to identify crack development in the composite. The additional advantage of using a chirped grating is that the crack position can also be located.
1742-6588
55-60
Palaniappan, J.
b5cef093-6621-4904-9b47-1ad11c954139
Wang, H.
d23f04f1-a300-4744-bd98-2df77c7047df
Ogin, S.L.
6067d51e-8785-4e60-96a6-05038f6a0d31
Thomas, A.
9748d291-b6a0-4ba4-8010-4726987823b6
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139
Tjin, S.C.
2986cfba-d4ac-4c64-95d3-84093745a566
Palaniappan, J.
b5cef093-6621-4904-9b47-1ad11c954139
Wang, H.
d23f04f1-a300-4744-bd98-2df77c7047df
Ogin, S.L.
6067d51e-8785-4e60-96a6-05038f6a0d31
Thomas, A.
9748d291-b6a0-4ba4-8010-4726987823b6
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139
Tjin, S.C.
2986cfba-d4ac-4c64-95d3-84093745a566

Palaniappan, J., Wang, H., Ogin, S.L., Thomas, A., Reed, Graham and Tjin, S.C. (2005) Use of conventional and chirped optical fibre Bragg gratings to detect matrix cracking damage in composite materials. Journal of Physics: Conference Series, 15, 55-60. (doi:10.1088/1742-6596/15/1/010).

Record type: Article

Abstract

A comparison is made between conventional (i.e. uniform) and chirped optical fibre Bragg gratings (FBGs) for the detection of matrix cracking damage in composite materials. Matrix cracking damage is generally the first type of visible damage to develop under load in the off-axis plies of laminated composites and is generally the precursor of more serious damage mechanisms, particularly delamination. The detection of this type of damage is thus important, particularly in aerospace applications. Using a uniform FBG, characteristic changes develop in the reflected spectrum which can be used to identify crack development in the composite. The additional advantage of using a chirped grating is that the crack position can also be located.

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More information

Published date: 2005
Additional Information: Sensors & their Applications XIII. 6–8 September 2005, University of Greenwich at Medway, Kent, UK.
Venue - Dates: Sensors & their Applications XIII, 2005-09-06 - 2005-09-08
Organisations: Optoelectronics Research Centre, Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 50293
URI: https://eprints.soton.ac.uk/id/eprint/50293
ISSN: 1742-6588
PURE UUID: fb26fb72-a532-4dfd-b1de-03519f338e71

Catalogue record

Date deposited: 13 Feb 2008
Last modified: 22 Oct 2018 16:32

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Contributors

Author: J. Palaniappan
Author: H. Wang
Author: S.L. Ogin
Author: A. Thomas
Author: Graham Reed
Author: S.C. Tjin

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