Journal of Materials Science

, Volume 40, Issue 13, pp 3355–3359 | Cite as

Effect of surface treatment of carbon fibers with gamma-ray radiation on mechanical performance of their composites

  • Y. Z. WanEmail author
  • Y. L. Wang
  • Y. Huang
  • H. L. Luo
  • G. C. Chen
  • C. D. Yuan


Gamma-ray radiation was used to surface treat PAN carbon fibers. The efficiency of gamma-ray radiation was compared with air oxidation in terms of variations in the surface structure of carbon fibers and the mechanical performance of their composites. It was observed that the composites reinforced with the gamma-radiated carbon fibers showed higher interfacial adhesion strength and thus better flexural and shear properties than the composites reinforced with air-treated fibers. The observed higher content of carboxyl group on the surface of the gamma-radiated carbon fibers is likely to be responsible for the stronger fiber-matrix bonding. It is concluded that gamma-ray radiation is an effective approach of tailoring surface properties of carbon fibers.


Polymer Carboxyl Carbon Fiber Surface Property Surface Structure 
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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  • Y. Z. Wan
    • 1
    Email author
  • Y. L. Wang
    • 1
  • Y. Huang
    • 1
  • H. L. Luo
    • 1
  • G. C. Chen
    • 2
  • C. D. Yuan
    • 3
  1. 1.School of Materials Science and EngineeringTianjin UniversityTianjinPeople’s Republic of China
  2. 2.Aerospace Research Institute of Materials and Processing TechnologyBeijingPeople’s Republic of China
  3. 3.School of Chemical EngineeringTianjin UniversityTianjinPeople’s Republic of China

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