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Comparison of vibration measurements of elastic and mechanically lossy (visco-elastic) materials, using fibre grating sensors

Comparison of vibration measurements of elastic and mechanically lossy (visco-elastic) materials, using fibre grating sensors
Comparison of vibration measurements of elastic and mechanically lossy (visco-elastic) materials, using fibre grating sensors
The paper compares results when measuring oscillatory strain in elastic (Al alloy) and visco-elastic materials using in-fibre Bragg gratings. These show the effects of self-heating in the latter, when mechanical losses arise, and also show the effects of materials creeping at high strain levels. Results are also taken for highly-elastic metallic substrate materials when a visco-elastic damping medium is in close contact. The results show that care must be taken, not only when monitoring fast oscillatory perturbations in visco-elastic materials, but also when choosing fibre bonding cements or protective coatings for use with fibre gratings.
1084-1087
Dakin, John P.
eb622a1d-a894-40dd-aaa1-04a9c1abd6b7
Ecke, Wolfgang
7e16b16b-c171-4388-b6f9-be24a5d4e0ca
Reuter, Matthias
837144a5-419e-4d47-a0ca-0191bfc84c75
Dakin, John P.
eb622a1d-a894-40dd-aaa1-04a9c1abd6b7
Ecke, Wolfgang
7e16b16b-c171-4388-b6f9-be24a5d4e0ca
Reuter, Matthias
837144a5-419e-4d47-a0ca-0191bfc84c75

Dakin, John P., Ecke, Wolfgang and Reuter, Matthias (2005) Comparison of vibration measurements of elastic and mechanically lossy (visco-elastic) materials, using fibre grating sensors. OFS-17: 17th International Conference on Optical Fibre Sensors. 23 - 27 May 2005. pp. 1084-1087 . (doi:10.1117/12.640221).

Record type: Conference or Workshop Item (Paper)

Abstract

The paper compares results when measuring oscillatory strain in elastic (Al alloy) and visco-elastic materials using in-fibre Bragg gratings. These show the effects of self-heating in the latter, when mechanical losses arise, and also show the effects of materials creeping at high strain levels. Results are also taken for highly-elastic metallic substrate materials when a visco-elastic damping medium is in close contact. The results show that care must be taken, not only when monitoring fast oscillatory perturbations in visco-elastic materials, but also when choosing fibre bonding cements or protective coatings for use with fibre gratings.

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More information

e-pub ahead of print date: 2005
Venue - Dates: OFS-17: 17th International Conference on Optical Fibre Sensors, 2005-05-23 - 2005-05-27

Identifiers

Local EPrints ID: 38267
URI: https://eprints.soton.ac.uk/id/eprint/38267
PURE UUID: 18f215ad-d079-4075-a677-eb18889a9097

Catalogue record

Date deposited: 07 Jun 2006
Last modified: 17 Jul 2017 15:39

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Contributors

Author: John P. Dakin
Author: Wolfgang Ecke
Author: Matthias Reuter

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