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Investigating strain transfer in polymer coated structures for the health monitoring of aerospace vehicles using polymer photonic waveguides

Wild, Graham, Fox, Bronwyn, Magniez, Kevin, Hinckley, Steven, Wade, Scott and Carman, Greg 2014, Investigating strain transfer in polymer coated structures for the health monitoring of aerospace vehicles using polymer photonic waveguides, in MetroAeroSpace 2014 : Proceedings of the 2014 IEEE International Workshop on Metrology for Aerospace, IEEE, Piscataway, N.J., pp. 622-626, doi: 10.1109/MetroAeroSpace.2014.6865999.

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Title Investigating strain transfer in polymer coated structures for the health monitoring of aerospace vehicles using polymer photonic waveguides
Author(s) Wild, Graham
Fox, Bronwyn
Magniez, Kevin
Hinckley, Steven
Wade, Scott
Carman, Greg
Conference name Metrology for Aerospace. Workshop (2014 : Benevento, Italy)
Conference location Benevento, Italy
Conference dates 29-30 May. 2014
Title of proceedings MetroAeroSpace 2014 : Proceedings of the 2014 IEEE International Workshop on Metrology for Aerospace
Editor(s) [Unknown]
Publication date 2014
Conference series Metrology for Aerospace Workshop
Start page 622
End page 626
Total pages 5
Publisher IEEE
Place of publication Piscataway, N.J.
Keyword(s) fibre Bragg grating
finite element analysis
optical fibre sensing
photonic waveguides
sensing
strain
stress
structural health monitoring
Summary In this work, we present the concept of planar polymer photonic waveguides for the health monitoring of aerospace structures. Here a polymer layer is deposited onto the material/structure to be monitored. Within the polymer layer, waveguides are created after deposition. These waveguides can then be used as 'optical fibres' for optical fibre sensing methodologies. In investigating the use of polymer photonic waveguides the question to be answered is: does the strain in the test material transfer to the polymer layer, such that the value to be measured optically is reliable and indicative of the true strain in the test structure? To answer this question we have conducted a preliminary structural analysis with finite element analysis, utilising ANSYS. A simple aluminium cantilever was used as the test structure, and layers of polyethylene with different thicknesses were added to this. Result show that the thinner the layer of polymer, the more accurate the measured strain will be. For a 100um coating, the difference is strain was observed to be on the order of 3.3%. © 2014 IEEE.
ISBN 9781479920693
Language eng
DOI 10.1109/MetroAeroSpace.2014.6865999
Field of Research 090102 Aerospace Materials
090103 Aerospace Structures
091202 Composite and Hybrid Materials
Socio Economic Objective 880302 Air Passenger Transport
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2014, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30071681

Document type: Conference Paper
Collection: Institute for Frontier Materials
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