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Influence of Carbon Fiber Direction on Mechanical Properties of Milled Carbon Fibers/Carbon Blacks/Natural Rubber Compounds

탄소섬유 방향이 미분쇄 탄소섬유/카본블랙/천연고무 복합재료의 기계적 물성에 미치는 영향

  • Received : 2016.01.23
  • Accepted : 2016.03.08
  • Published : 2016.04.10

Abstract

In this work, the influence of milled carbon fiber direction on mechanical properties of milled carbon fibers/carbon blacks/natural rubber compounds was investigated. The compounds were prepared by adding the 6 phr milled carbon fibers (MCFs) and 40 phr carbon blacks (CBs) into the natural rubber. The MCFs were aligned in a parallel and orthogonal direction in the compounds using two-roll-mill machine. Mechanical properties of compounds were studied by tensile characteristics and tearing strength. As a result, the compounds showed higher tensile strength, 100%~300% modulus, and tearing strength than those of using any other compounds due to the aligning MCFs in parallel. Mechanical properties of the compounds reinforced with non-aligned MCFs were inferior to those of others. Consequently, the parallel aligned MCFs in the compounds led to an increase of tensile properties and improvement of tearing strength, resulted from MCFs with the high elastic modulus.

Keywords

natural rubbers;milled carbon fibers;carbon blacks;mechanical properties

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Acknowledgement

Grant : 탄소섬유/카본블랙을 이용한 탄성력이 강화된 탁구라켓용 러버 개발