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Journal of Materials Science

, Volume 30, Issue 13, pp 3501–3508 | Cite as

The mechanical behaviour of PEEK short fibre composites

  • J. R. Sarasua
  • P. M. Remiro
  • J. Pouyet
Article

Abstract

Short glass (GF) and carbon fibre (CF) reinforced poly-ether-ether-ketone (PEEK) composites were prepared by injection moulding and then microstructurally characterized. Their mechanical behaviour was determined by two different methods: a classical unidirectional tensile test and an immersion ultrasonic technique. The reinforcing effect of fibres is discussed in the context of the theory of reinforcement of Bowyer and Bader. Interfacial shear strength and critical fibre length at break are calculated for both PEEK/GF and PEEK/CF composites. Examinations of fracture surfaces of uniaxial tensile specimens revealed a higher adhesion of carbon fibres to PEEK matrix in regards to the adhesion concerning glass fibre-PEEK interfaces, which is in agreement with the results provided by the model. Compatibility of ultrasonic and tensile results is reported.

Keywords

Shear Strength Carbon Fibre Fibre Length Fibre Composite Interfacial Shear 
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

  • J. R. Sarasua
    • 1
  • P. M. Remiro
    • 1
  • J. Pouyet
    • 2
  1. 1.Polimeroen Zientzia eta Teknologia Saila, Kimika FakultateaEuskal Herriko UnibertsitateaDonostiaSpain
  2. 2.Laboratoire de Mécanique Physique, CNRS URA n∘ 867Université de Bordeaux ITalenceFrance

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