Journal of Materials Science

, Volume 20, Issue 1, pp 229–236 | Cite as

Electron emission and acoustic emission from the fracture of graphite/epoxy composites

  • J. T. Dickinson
  • A. Jahan-Latibari
  • L. C. Jensen


In past studies it has been shown that the fracture of materials leads to the emission of a variety of species, including electrons, ions, neutral molecules, and photons, all encompassed by the term fracto-emission (FE). In this paper we examine electron emission (EE) from the fracture of single graphite fibres and neat epoxy resin. We also combine measurements of EE with the detection of acoustic emission (AE) during the testing of graphite-epoxy composite specimens with various fibre orientation. The characteristics of these signals are related to known failure mechanisms in fibre-reinforced plastics. This study suggests that by comparing data from AE and FE meausrements, one can detect and distinguish the onset of internal and external failure in composites. EE measurements are also shown to be sensitive to the locus of fracture in a composite material.


Polymer Graphite Epoxy Composite Material Failure Mechanism 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    I. G. Scott andC. M. Scalo, NDT International, April (1982) p. 75.Google Scholar
  2. 2.
    R. Hill,ibid. April (1977) p. 63.Google Scholar
  3. 3.
    C. D. Bailey, S. M. Freeman andJ. M. Hamilton Jr,Mater. Eval. (August) (1980) 21.Google Scholar
  4. 4.
    A. Rotem,Fiber Sci. Tech. 10 (1977) 102.Google Scholar
  5. 5.
    J. T. Dickinson, E. E. Donaldson andM. K. Park,J. Mater. Sci. 16 (1981) 2897.Google Scholar
  6. 6.
    J. T. Dickinson andL. C. Jensen,J. Polymer Sci. Polymer Phys Ed. 20 (1982) 1925.Google Scholar
  7. 7.
    J. T. Dickinson, M. K. Park, E. E. Donaldson, andL. C. Jensen,J. Vac. Sci. Technol. 20 (1982) 436.Google Scholar
  8. 8.
    J. T. Dickinson, L. C. Jensen, andM. K. Park,J. Mater. Sci 17 (1982) 3173.Google Scholar
  9. 9.
    Idem, Appl. Phys. Lett. 41 (1982) 443.Google Scholar
  10. 10.
    Idem, ibid. 41 (1982) 827.Google Scholar
  11. 11.
    H. Miles andJ. T. Dickinson,ibid. 41 (1982) 924.Google Scholar
  12. 12.
    J. T. Dickinson, L. C. Jensen andA. Jahan-Latibari,Rubber Chem. Technol. 56 (1983) 927.Google Scholar
  13. 13.
    J. T. Dickinson, Fracto-Emission Accompanying Adhesive Failure, in “Adhesive Chemistry-Developments and Trends”, edited by L. H. Lee (Plenum New York) to be published.Google Scholar
  14. 14.
    J. T. Dickinson, A. Jahan-Latibari andL. C. Jensen, Fracto-Emission from Fiber-Reinforced and Particulate Filled Composites, in “Polymer Composites and Interfaces”, edited by N. G. Kumar and H. Ishida (Plenum, New York) to be published.Google Scholar
  15. 15.
    L. C. Jensen, J. T. Dickinson andA. Jahan-Latibari,J. Mater. Sci. 19 (1984) in press.Google Scholar
  16. 16.
    J. T. Dickinson, L. C. Jensen andA. Jahan-Latibari,J. Vac. Sci. Technol. A2 (1984) 1112.Google Scholar
  17. 17.
    J. T. Dickinson andL. C. Jensen,J. Polymer Sci. Phys. Ed. to be published.Google Scholar
  18. 18.
    C. K. H. Dharan,J. Mater. Eng. Tech. 100 (1972) 233.Google Scholar
  19. 19.
    J. T. Barnby andT. Parry,J. Phys. D Appl. Phys. 9 (1976) 1919.Google Scholar
  20. 20.
    J. Fitz-Randolph, D. C. Phillips, P. W. R. Beaumont andA. S. Tetelman,J. Mater. Sci. 7 (1972) 289.Google Scholar

Copyright information

© Chapman and Hall Ltd. 1985

Authors and Affiliations

  • J. T. Dickinson
    • 1
  • A. Jahan-Latibari
    • 1
  • L. C. Jensen
    • 1
  1. 1.Department of PhysicsWashington State UniversityPullman, WashingtonUSA

Personalised recommendations