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Journal of Materials Science

, Volume 30, Issue 13, pp 3543–3546 | Cite as

The effect of surface treatment on the interfacial properties in carbon fibre/epoxy matrix composites

  • G. Bogoeva-Gaceva
  • D. Burevski
  • A. Dekanski
  • A. Janevski
Article

Abstract

Carbon fibres with different degrees of surface oxidation, as well as epoxy-sized fibres, were used to prepare epoxy composites in order to compare the effects of the fibres surface chemistry on the interfacial properties. X-ray photoelectron spectroscopy, water vapour adsorption measurements and contact angle examination were applied to characterize the carbon fibre surfaces. A correlation was found between the content of primary adsorption sites on the fibre surface and interlaminar shear strength (ILSS) of the composites. Higher values of ILSS obtained for the oxidized fibres containing composites are proposed to be due to the higher concentration of carboxylic groups created on the oxidized fibres surface and to the creation of chemical bonds at the fibre/epoxy matrix interface. Enthalpy of cure, reaction peak temperature and glass transition temperature of the composites were determined by differential scanning calorimetry.

Keywords

Differential Scanning Calorimetry Contact Angle Shear Strength Glass Transition Temperature Carbon Fibre 
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.

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Copyright information

© Chapman & Hall 1995

Authors and Affiliations

  • G. Bogoeva-Gaceva
    • 1
  • D. Burevski
    • 1
  • A. Dekanski
    • 2
  • A. Janevski
    • 3
  1. 1.Faculty of Technology and MetallurgyUniversity of SkopjeMacedonia
  2. 2.ICTM, Department of ElectrochemistryUniversity of BelgradeYugoslavia
  3. 3.Research InstituteOHISSkopjeMacedonia

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