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Tensile failure of unidirectional carbon fibre reinforced polypropylene composite: an acoustic-ultrasonic study

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Abstract

The potential of the acoustic-ultrasonic stress-wave factor as a non-destructive testing technique for unidirectional carbon-fibre-reinforced polypropylene composite laminates has been investigated. The stress-wave factor is found to be a sensitive indicator of strength variation in these composites, and increases in proportion to fractional powers of the ultimate tensile strength. The lowest value of the stress-wave factor also correlates well with the fracture on the specimen. This method is also sensitive to strength variations associated with porosity and differences in the fibre: resin ratio.

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Authors and Affiliations

  1. Department of Plastics & Rubber Technology, University of Calcutta, Calcutta, 700009, India

    D. Mukherjee & P. K. Sengupta

  2. Central Glass & Ceramic Research Institute, Calcutta, 700032, India

    N. R. Bose & K. K. Phani

Authors
  1. D. Mukherjee
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  2. P. K. Sengupta
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  3. N. R. Bose
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  4. K. K. Phani
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Mukherjee, D., Sengupta, P.K., Bose, N.R. et al. Tensile failure of unidirectional carbon fibre reinforced polypropylene composite: an acoustic-ultrasonic study. J Mater Sci 25, 1104–1107 (1990). https://doi.org/10.1007/BF03372210

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  • DOI: https://doi.org/10.1007/BF03372210

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