Journal of Industrial and Engineering Chemistry

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Fracture toughness improvement of epoxy resins with short carbon fibers

  • Dong, Wei (Department of Polymer Materials, Jilin Institute of Chemical Technology) ;
  • Liu, Heng-Chang (Department of Polymer Materials, Jilin Institute of Chemical Technology) ;
  • Park, Soo-Jin (Department of Chemistry, Inha University) ;
  • Jin, Fan-Long (Department of Polymer Materials, Jilin Institute of Chemical Technology)
  • Received : 2013.05.22
  • Accepted : 2013.06.30
  • Published : 2014.07.25
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Abstract

This study examined the thermal stability and fracture toughness of diglycidylether of bisphenol-A (DGEBA)/short carbon fiber (SCF) composites using several techniques. The thermal stability of the DGEBA/SCF composites was similar to that of neat epoxy resin. The fracture toughness of the composites was significantly improved relative to the neat resin. The SEM micrographs indicated that a relatively rough surface with shear deformation and tortuous cracks was formed, thereby preventing deformation and crack propagation and inducing higher fracture toughness in the DGEBA/SCF composites.

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