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Influence of MWCNTs on Fracture Toughness of MWCNTs/Nickel-Pitch Fiber/Epoxy Composites
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  • Journal title : Composites Research
  • Volume 28, Issue 6,  2015, pp.361-365
  • Publisher : The Korean Society for Composite Materials
  • DOI : 10.7234/composres.2015.28.6.361
 Title & Authors
Influence of MWCNTs on Fracture Toughness of MWCNTs/Nickel-Pitch Fiber/Epoxy Composites
Yim, Yoon-Ji; Park, Soo-Jin;
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 Abstract
The influence of MWCNTs on fracture toughness properties of MWCNTs/Nickel-Pitch Fibers/epoxy composites (MWCNTs/Ni-PFs/epoxy) was investigated according to MWCNTs content. Nickel-Pitch-based carbon fibers (Ni-PFs) were prepared by electroless nickel-plating. The surface properties of Ni-PFs were determined by scanning electron microscopy (SEM) and X-ray photoelectron spectrometry (XPS). The fracture toughness of MWCNTs/Ni-PFs/epoxy was assessed by critical stress intensity factor () and critical strain energy release rate (). From the results, it was found that the fracture toughness properties of MWCNTs/Ni-PFs/epoxy were enhanced with increasing MWCNTs content, whereas the value decreased above 5 wt.%. MWCNTs content. This was probably considered that the MWCNTs entangled with each other in epoxy due to an excess of MWCNTs.
 Keywords
Pitch Fibers;Multi-walled Carbon Nanotubes (MWCNTs);Electroless Nickel-plating;Epoxy Composites;Fracture Toughness;
 Language
English
 Cited by
1.
Effects of Solvent-Based Dilution Condition on CNT Dispersion in CNT/Epoxy Composites, Composites Research, 2016, 29, 4, 125  crossref(new windwow)
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