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Stress Graphitization of Polyacrylonitrile Based Carbon Fibre

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Abstract

CARBON fibre can be made by the pyrolysis of organic polymer fibre precursors. Up to now, cellulose1 and polyacrylonitrile (PAN)2 have been found to produce carbon fibre of good strength and modulus. Preliminary details of the structure of PAN based carbon fibre, similar to that prepared and used by us, have been published by Johnson and Watt3 and Badami, Joiner and Jones4. One of us5 has reported that the strength of PAN carbon fibre declines when heated above 1,200° C. It is therefore of interest to report that increasing strength with Young's modulus can be obtained if stress is applied to the fibre at graphitizing temperatures.

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References

  1. Bacon, R., and Tang, M. M., Carbon, 2, 211 (1964).

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  2. Shindo, A., Report No. 317 (Government Industrial Research Institute, Osaka, 1961).

  3. Johnson, W., and Watt, W., Nature, 215, 384 (1967).

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  4. Badami, D. V., Joiner, J. C., and Jones, G. A., Nature, 215, 386 (1967).

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  6. Jackson, P. W., and Marjoram, J. R., Nature, 218, 83 (1968).

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Authors and Affiliations

  1. Composite Materials Department, Rolls-Royce Ltd, Old Hall, Littleover, Derby

    J. W. JOHNSON, J. R. MARJORAM & P. G. ROSE

Authors
  1. J. W. JOHNSON
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  2. J. R. MARJORAM
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  3. P. G. ROSE
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JOHNSON, J., MARJORAM, J. & ROSE, P. Stress Graphitization of Polyacrylonitrile Based Carbon Fibre. Nature 221, 357–358 (1969). https://doi.org/10.1038/221357b0

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  • DOI: https://doi.org/10.1038/221357b0

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