Adhesion between carbon fibres and amorphous thermoplastic matrices with high distortion temperature (polyetherimide and polyethersuIphone) is studied. Shear strength at the fibre-matrix interface has been accurately evaluated according to a statistical method based on the measurement of the mean critical fibre length. In the evaluation of critical length, the tensile strength due to the fibre defects, may be accounted for using Weibull's model. On the basis of these and other tests, such as scanning electron microscopy, X-ray photoelectron spectroscopy and punch tool, adhesion is discussed: its prevailing mechanism is attributed to the differential thermal shrinkage of fibre and matrices.
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Di Landro, L., Pegoraro, M. Carbon fibre thermoplastic matrix adhesion. J Mater Sci 22, 1980–1986 (1987). https://doi.org/10.1007/BF01132927
- Tensile Strength
- Shear Strength
- Carbon Fibre
- Fibre Length