Effect of disbond propagation on the reflected spectra of CFBG sensors embedded within the bondline of composite bonded joints
Guo, Y, Ogin, SL, Capell, TF, Thorne, AM, Reed, GT, Wang, Y and Tjin, SC (2009) Effect of disbond propagation on the reflected spectra of CFBG sensors embedded within the bondline of composite bonded joints Advanced Materials Research, 79-82. 2067 - 2070. ISSN 1022-6680
Guo, Paper ID MF985.doc - Accepted Version
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Guo,_Paper_ID_MF985.pdf - Accepted Version
Chirped fiber Bragg grating (CFBG) sensors were embedded within the adhesive bondline of single-lap CFRP-GFRP bonded composite joints. The effect of disbond propagation (as a consequence of fatigue loading) on the reflected spectra from the CFBG sensor has been studied. As the disbond propagates, thermal strains generated during the bonding of the joint at elevated temperature are released and, as a consequence, a peak in the reflected spectra of the CFBG sensor can be seen. Using a transparent GFRP adherend, it has been possible to demonstrate that there is reasonable agreement between the position of the peak in the reflected spectrum and the disbond front position in the bonded joint.
|Divisions :||Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Photonics|
|Identification Number :||10.4028/www.scientific.net/AMR.79-82.2067|
|Additional Information :||Copyright 2009 Trans Tech Publications. This is the author's accepted version.|
|Depositing User :||Symplectic Elements|
|Date Deposited :||05 Oct 2012 16:43|
|Last Modified :||09 Jun 2014 13:15|
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