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  • 제14권2호
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  • Pages.105-109
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  • 2013
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  • 1976-4251(pISSN)
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  • 2233-4998(eISSN)
한국탄소학회 (Korean Carbon Society)
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Electrical properties of polyethylene composite films filled with nickel powder and short carbon fiber hybrid filler

  • Mironov, V.S. (Soft Innovative Materials Research Center, Korea Institute of Science and Technology) ;
  • Kim, Seong Yun (Soft Innovative Materials Research Center, Korea Institute of Science and Technology) ;
  • Park, Min (Soft Innovative Materials Research Center, Korea Institute of Science and Technology)
  • 투고 : 2013.02.14
  • 심사 : 2013.03.10
  • 발행 : 2013.04.30
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초록

Effects of the amount of nickel powder (Ni) in Ni-carbon fiber (CF) hybrid filler systems on the conductivity(or resistivity) and thermal coefficient of resistance (TCR) of filled high density polyethylene were studied. Increases of the resistivity and TCR with increasing Ni concentration at a given hybrid filler content were observed. Using the fiber contact model, we showed that the main role of Ni in the hybrid filler system is to decrease the interfiber contact resistance when Ni concentration is less than the threshold point. The formation of structural defects leading to reduced reinforcing effect resulted in both a reduction of strength and an increase of the coefficient of thermal expansion in the composite film; these changes are responsible for the increases of both resistivity and TCR with increasing Ni concentration in the hybrid filler system.

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피인용 문헌

  1. Compatibility of Functionalized Graphene with Polyethylene and Its Copolymers vol.2013, pp.1687-4129, 2013, https://doi.org/10.1155/2013/805201
  2. Superhydrophobic carbon-based materials: a review of synthesis, structure, and applications vol.15, pp.2, 2014, https://doi.org/10.5714/CL.2014.15.2.089
  3. A comprehensive study of metal-coated short carbon fibers, graphite particles, and hybrid fillers for induction heating pp.1530-7980, 2018, https://doi.org/10.1177/0892705718806344