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Damage Detection in Carbon Fibre Epoxy Structures Using Acoustic Emission

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Composite Structures 2

Abstract

A comparative study of damage accumulation during steady and cyclic loading in carbon fibre epoxy tubes has been possible by using a failure model developed for flat specimens. Those differences which were found between the plate and tube specimens can be explained by micrographical observations. The failure model, developed initially for steady loading conditions, has revealed the effect of regular unloading on the speed of damage accumulation in these structures. As variation in applied stress produces damage which is additional to that produced under steady loading however the rate of damage accumulation can be described in a similar manner when macroscopic damage does not occur.

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References

  1. Bunsell, A. R., Laroche, D. and Valentin, D., Damage and failure in carbon fibre reinforced epoxy resin, ASTM STP to be published.

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  2. Valentin, D. and Bunsell, A. R., A study of damage accumulation in carbon fibre reinforced epoxy resin structures during mechanical loading monitored by acoustic emission, J. Reinforced Plastics and Composites,to be published.

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  3. Fuwa, M., Bunsell, A. R. and Harris, B., Tensile failure mechanisms in carbon fibre reinforced plastics, J. Mat. Sci., 10 (1975), 2062.

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  4. Valentin, D. and Bunsell, A. R., Damage in carbon fibre reinforced epoxy resin produced during cyclic loading and monitored by acoustic emission, in Fatigue and Creep of Composite Materials,H. Lilholt and R. Talreja (eds) (1982), 329, RISØ.

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Author information

Authors and Affiliations

  1. Centre des Matériaux, Ecole Nationale Supérieure des Mines de Paris, BP 87, 91003, Evry Cédex, France

    D. Valentin & A. R. Bunsell

Authors
  1. D. Valentin
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  2. A. R. Bunsell
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Editor information

Editors and Affiliations

  1. Department of Mechanical and Production Engineering, Paisley College of Technology, Scotland

    I. H. Marshall

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© 1983 Applied Science Publishers Ltd

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Valentin, D., Bunsell, A.R. (1983). Damage Detection in Carbon Fibre Epoxy Structures Using Acoustic Emission. In: Marshall, I.H. (eds) Composite Structures 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6640-6_3

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  • DOI: https://doi.org/10.1007/978-94-009-6640-6_3

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-009-6642-0

  • Online ISBN: 978-94-009-6640-6

  • eBook Packages: Springer Book Archive

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