The Interlaminar Fracture Toughness of Carbon/Epoxy Laminates Interleaved with Polyamide Particle Layers

Wei-Ting Wang*, HaNa Yu, Kevin Potter, Byung Chul Kim

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

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Abstract

Toughening epoxy based composite materials using thermoplastic particles is a cost-effective approach to improve their poor delamination resistance. In this paper, the interlaminar toughening effect of different thermoplastic microparticles such as polyamide-6 and polyamide-12 particles for a carbon fibre/epoxy composite was investigated. The particles with a range of different areal weights were directly deposited on the prepreg surface to toughen the interlaminar region of the cured laminate samples. From the scanning electron microscope (SEM) observations, it was found that the effects of the three thermoplastic particles on the interlaminar fracture behaviour were different. It was also found that the particle areal weight affected the Mode-I fracture toughness differently depending on the particle material. In some cases, no toughening effect was observed.
Original languageEnglish
Title of host publicationECCM 2018 - 18th European Conference on Composite Materials
Publisher Applied Mechanics Laboratory
Number of pages7
ISBN (Electronic)9781510896932
Publication statusPublished - 24 Jun 2018
Event18th European Conference on Composite Materials - ECCM18 - Athens, Greece
Duration: 24 Jun 201828 Jun 2018

Publication series

NameECCM 2018 - 18th European Conference on Composite Materials

Conference

Conference18th European Conference on Composite Materials - ECCM18
CountryGreece
CityAthens
Period24/06/1828/06/18

Keywords

  • Fracture toughness
  • Polyamide particles
  • Interleaving particles
  • Interface

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