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Thermoelastic Stress Analysis and Digital Image Correlation to Assess Composites

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Mechanics of Composite and Multi-functional Materials, Volume 7

Abstract

A novel methodology for the synchronised capture of white light images for digital image correlation (DIC) and infrared images for thermoelastic stress analysis (TSA) is described. The methodology enables simultaneous data capture without the requirement to pause the cyclic load necessary for the TSA to collect the DIC data. The methodology is demonstrated on cross-ply carbon-epoxy and glass-epoxy specimens that have with and without prior damage and the results from each compared. Various damage types are identified as the damage progresses.

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References

  1. Sutton, M.A., Orteu, J.-J., Schreier, H.W.: Image correlation for shape, motion and deformation measurements. Springer, New York (2009)

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  2. Dulieu-Barton, J.M.: Thermoelastic stress analysis. In: Optical methods for solid mechanics, pp. 345–366. Wiley-VCH, Weinheim (2012)

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  3. Battams, G.: The use of optical techniques to assess the damage tolerance of composite materials. Doctoral thesis, Faculty of Engineering and the Environment, University of Southampton (2014)

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Acknowledgments

The work presented was co-sponsored by the UK Engineering and Physical Sciences Research Council. The financial support received is gratefully acknowledged.

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Correspondence to J. M. Dulieu-Barton .

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© 2017 The Society for Experimental Mechanics, Inc.

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Dulieu-Barton, J.M., Battams, G.P. (2017). Thermoelastic Stress Analysis and Digital Image Correlation to Assess Composites. In: Ralph, W., Singh, R., Tandon, G., Thakre, P., Zavattieri, P., Zhu, Y. (eds) Mechanics of Composite and Multi-functional Materials, Volume 7 . Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-41766-0_34

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  • DOI: https://doi.org/10.1007/978-3-319-41766-0_34

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-41765-3

  • Online ISBN: 978-3-319-41766-0

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