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Detection of defects in as manufactured GFRP-GFRP and CFRP-CFRP composite bonded joints using chirped fibre Bragg grating sensors

Detection of defects in as manufactured GFRP-GFRP and CFRP-CFRP composite bonded joints using chirped fibre Bragg grating sensors
Detection of defects in as manufactured GFRP-GFRP and CFRP-CFRP composite bonded joints using chirped fibre Bragg grating sensors
Chirped fibre Bragg grating (CFBG) sensors have been embedded in composite coupons which have been used to form one half of single lap bonded joints. The bonded joints have been made with deliberately included defects, consisting of either a PTFE insert or an air gap, and the sensors have been used to detect the presence and location of the defects. The experimental results, and the modelling, show that defects in both GFRP-GFRP joints and CFRP-CFRP joints can be detected by the embedded CFBG sensors, though it is easier to detect defects in the lower stiffness (GFRP) joints.
bonded composite joints, defects, chirped fibre Bragg grating
1465-8011
138-145
Capell, T.F.
e8334144-2ff4-4559-be46-cf7f23092802
Palaniappan, J.
b5cef093-6621-4904-9b47-1ad11c954139
Ogin, S.L.
6067d51e-8785-4e60-96a6-05038f6a0d31
Thorne, A.M.
4a7e0ab8-c6c3-406d-8958-5bc6f990d611
Reed, G.T.
ca08dd60-c072-4d7d-b254-75714d570139
Crocombe, A.D.
ecc8a655-260f-4625-90de-2df89503094e
Tjin, S.C.
2986cfba-d4ac-4c64-95d3-84093745a566
Wang, Y.
23c775f0-3cac-44d5-9e16-2098959c493b
Guo, Y.
cd0cf13b-31a5-47e9-83b5-3e01c78301a7
Capell, T.F.
e8334144-2ff4-4559-be46-cf7f23092802
Palaniappan, J.
b5cef093-6621-4904-9b47-1ad11c954139
Ogin, S.L.
6067d51e-8785-4e60-96a6-05038f6a0d31
Thorne, A.M.
4a7e0ab8-c6c3-406d-8958-5bc6f990d611
Reed, G.T.
ca08dd60-c072-4d7d-b254-75714d570139
Crocombe, A.D.
ecc8a655-260f-4625-90de-2df89503094e
Tjin, S.C.
2986cfba-d4ac-4c64-95d3-84093745a566
Wang, Y.
23c775f0-3cac-44d5-9e16-2098959c493b
Guo, Y.
cd0cf13b-31a5-47e9-83b5-3e01c78301a7

Capell, T.F., Palaniappan, J., Ogin, S.L., Thorne, A.M., Reed, G.T., Crocombe, A.D., Tjin, S.C., Wang, Y. and Guo, Y. (2009) Detection of defects in as manufactured GFRP-GFRP and CFRP-CFRP composite bonded joints using chirped fibre Bragg grating sensors. Plastics, Rubber and Composites, 38 (2-4), 138-145. (doi:10.1179/174328909X387973).

Record type: Article

Abstract

Chirped fibre Bragg grating (CFBG) sensors have been embedded in composite coupons which have been used to form one half of single lap bonded joints. The bonded joints have been made with deliberately included defects, consisting of either a PTFE insert or an air gap, and the sensors have been used to detect the presence and location of the defects. The experimental results, and the modelling, show that defects in both GFRP-GFRP joints and CFRP-CFRP joints can be detected by the embedded CFBG sensors, though it is easier to detect defects in the lower stiffness (GFRP) joints.

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More information

Published date: May 2009
Keywords: bonded composite joints, defects, chirped fibre Bragg grating
Organisations: Optoelectronics Research Centre, Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 66606
URI: https://eprints.soton.ac.uk/id/eprint/66606
ISSN: 1465-8011
PURE UUID: ad77ea28-4fcf-47d5-bf28-e594a5e02f39

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Date deposited: 01 Jul 2009
Last modified: 16 Oct 2018 16:31

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Contributors

Author: T.F. Capell
Author: J. Palaniappan
Author: S.L. Ogin
Author: A.M. Thorne
Author: G.T. Reed
Author: A.D. Crocombe
Author: S.C. Tjin
Author: Y. Wang
Author: Y. Guo

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