On crystallisation and fracture toughness of poly(phenylene sulphide) under tape placement conditions

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Abstract

Fibre reinforced thermoplastic tapes are subjected to high heating and cooling rates during the tape placement process. Such high cooling rates can significantly inhibit the crystallisation of the thermoplastic polymer and thereby affect its mechanical properties, such as strength or toughness. In the present work, the crystallisation of poly(phenylene sulphide) (PPS) subjected to high cooling rates was investigated using a fast scanning calorimeter. The PPS was found to be unable to crystallise when subjected to cooling rates higher than 20°C s−1. The influence of the degree of crystallinity on fracture toughness was investigated using an essential work of fracture approach. The amount of plastic work during the fracture process was found to decrease after moderate annealing
Original languageEnglish
Pages (from-to)282-288
JournalPlastics rubber and composites
Volume42
Issue number7
DOIs
Publication statusPublished - 2013

Keywords

  • METIS-301544
  • IR-90963

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