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Towards integrating imaging techniques to assess manufacturing features and in-service damage in composite components

Towards integrating imaging techniques to assess manufacturing features and in-service damage in composite components
Towards integrating imaging techniques to assess manufacturing features and in-service damage in composite components

Initial work on combining Thermoelastic Stress Analysis (TSA) and Digital Image Correlation (DIC) is presented with the purpose of exploring their used in assessing defects in composite materials. TSA is usually performed using photon detector cameras that are expensive, a further objective of the paper is to investigate the capabilities of low-cost bolometer IR cameras for TSA. A carbon fibre reinforced polymer (CFRP) sample with artificial ‘waviness’ was created, so that a crack was developed inside the material. Both TSA and lock-in DIC methods detected the damage inside the CFRP specimen. Using the bolometer for TSA has highlighted the need for longer data capture times and the deleterious effects of other features associated with image capture that are inherent in the bolometer system.

Complex structures, Composite materials, DIC, Lock-in, TSA
97-100
Springer
Jiménez-Fortunato, I.
1cfa78f4-f2d8-4fae-af91-f265ceea0f8d
Bull, D.J.
3569ba02-89de-4398-a14d-02c3f9b4eab2
Dulieu-Barton, J.M.
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Thomsen, O.T.
f3e60b22-a09f-4d58-90da-d58e37d68047
Baldi, Antonio
Quinn, Simon
Balandraud, Xavier
Dulieu-Barton, Janice M.
Bossuyt, Sven
Jiménez-Fortunato, I.
1cfa78f4-f2d8-4fae-af91-f265ceea0f8d
Bull, D.J.
3569ba02-89de-4398-a14d-02c3f9b4eab2
Dulieu-Barton, J.M.
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Thomsen, O.T.
f3e60b22-a09f-4d58-90da-d58e37d68047
Baldi, Antonio
Quinn, Simon
Balandraud, Xavier
Dulieu-Barton, Janice M.
Bossuyt, Sven

Jiménez-Fortunato, I., Bull, D.J., Dulieu-Barton, J.M. and Thomsen, O.T. (2019) Towards integrating imaging techniques to assess manufacturing features and in-service damage in composite components. Baldi, Antonio, Quinn, Simon, Balandraud, Xavier, Dulieu-Barton, Janice M. and Bossuyt, Sven (eds.) In Residual Stress, Thermomechanics & Infrared Imaging, Hybrid Techniques and Inverse Problems. vol. 7, Springer. pp. 97-100 . (doi:10.1007/978-3-319-95074-7_18).

Record type: Conference or Workshop Item (Paper)

Abstract

Initial work on combining Thermoelastic Stress Analysis (TSA) and Digital Image Correlation (DIC) is presented with the purpose of exploring their used in assessing defects in composite materials. TSA is usually performed using photon detector cameras that are expensive, a further objective of the paper is to investigate the capabilities of low-cost bolometer IR cameras for TSA. A carbon fibre reinforced polymer (CFRP) sample with artificial ‘waviness’ was created, so that a crack was developed inside the material. Both TSA and lock-in DIC methods detected the damage inside the CFRP specimen. Using the bolometer for TSA has highlighted the need for longer data capture times and the deleterious effects of other features associated with image capture that are inherent in the bolometer system.

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More information

e-pub ahead of print date: 10 October 2018
Published date: 1 January 2019
Venue - Dates: SEM Annual Conference and Exposition on Experimental and Applied Mechanics, 2018, United States, 2018-06-03 - 2018-06-06
Keywords: Complex structures, Composite materials, DIC, Lock-in, TSA

Identifiers

Local EPrints ID: 431022
URI: http://eprints.soton.ac.uk/id/eprint/431022
PURE UUID: 7a416770-237a-4c24-98b4-76ea68541e18
ORCID for D.J. Bull: ORCID iD orcid.org/0000-0001-6711-6153

Catalogue record

Date deposited: 22 May 2019 16:30
Last modified: 07 Oct 2020 01:57

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