Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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Fabrication and Evaluation of Wear Properties of CF/GNP Composites

Graphene Nanoplatelets을 첨가한 탄소직조복합재료의 제조 및 마모 특성 평가

  • Kim, S.J. (Department of Mechanical Engineering, Changwon National University) ;
  • Park, S.B. (Department of Mechanical Engineering, Changwon National University) ;
  • Huh, C.H. (Department of Energy and Mechanical Engineering, Gyeongsang National University) ;
  • Song, J.I. (Department of Mechanical Engineering, Changwon National University)
  • Received : 2015.06.26
  • Accepted : 2015.06.30
  • Published : 2015.06.30
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Abstract

CNT and GNP have several excellent mechanical properties including, high strength, Young's modulus, thermal conductivity, corrosion resistance, electronic shielding and so on. In this study, CF/CNT, GNP/epoxy composites were manufactured by varying the CNT weight ratio at 2wt% and 3wt%, GNP weight ratio at 0.5wt% and 1 wt%. The composites were manufactured by mechanical method (3-roll-mill). Tensile, impact and wear tests were performed according to ASTM standards D638, D256 and D3181 respectively. The results showed that, CF/GNP0.5 wt%/epoxy composites gave good mechanical property in all composites, e.g., tensile strength, impact and were resistance.

CNT 및 GNP 는 고강도, 고강성, 열전도율, 내부식성, 전자 차폐성 등 여러 우수한 기계적 특성을 갖기 때문에, 우주 항공분야, 전자기기 소재 및 에너지 소재에 사용되고, 제동 시 흡수 에너지가 크고 안정된 제동 효과를 나타내기 때문에 경주용 자동차나 항공기의 브레이크 디스크 재료로도 각광받고 있다. 본 연구에서는 CNT 중량비를 2 wt% 및 3 wt%, GNP 중량비를 0.5 wt%, 1 wt% 변화시켜 CF/CNT, GNP/Epoxy 복합재료를 제조하였다. 복합 재료는 기계적 방법(3-롤밀)에 의해 제조되었다. 기계적 특성은 인장, 충격 및 마모 테스트를 각각 ASTM D638, D256과 D3181에 따라 수행하였다. 시험 결과 CF/GNP0.5 wt%/Epoxy 복합재료가 인장, 충격, 마모시험에서 우수한 특성을 보였다.

Keywords

References

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