한국기계가공학회지 (Journal of the Korean Society of Manufacturing Process Engineers)

한국기계가공학회 (The Korean Society of Manufacturing Process Engineers)
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니켈나노파우더 함침기법을 이용한 탄소복합소재의 전자파차폐 효과에 관한 연구

Carbon Composite Material Using Nickel Nano-Powder Impregnation Research on Electromagnetic Shielding Effect

  • 서광수 (전주대학교 탄소융합공학과) ;
  • 곽이구 (전주대학교 탄소융합공학과)
  • Seo, Kwang-Su (Department of Carbon Convergence Engineering, JEONJU UNIV.) ;
  • Kwac, Lee-Ku (Department of Carbon Convergence Engineering, JEONJU UNIV.)
  • 투고 : 2020.07.08
  • 심사 : 2020.09.29
  • 발행 : 2020.12.31
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초록

In order to improve the electromagnetic shielding rate of Carbon Fiber (CF), it was produced using the nickel nano-powder impregnating method. Using two types of nickel powder having thicknesses of 50 ㎛ and 100 ㎛, and a thermoplastic elastomer resin, a compound containing 10-20% nickel content was mixed and then manufactured through an extruder. The CF coated with the compound was woven and manufactured using a 1-ply specimen. The final nickel content of the specimen was verified using TGA and the distribution of nickel powder on the CF surface was verified using SEM. The metal shows a high shielding rate in the low-frequency band, but the shielding rate decreases at higher-frequency bands. The CF improves at the higher frequency band, and metals reflect electromagnetic waves while carbon absorbs electromagnetic waves. The study of shielding materials, which are stronger and lighter than metal, by using CF lighter than metal and enabling the shielding rate from low-frequency band to high-frequency band, confirmed that the larger the area coated with nickel nano-powder, the better the electromagnetic shielding performance. In particular, CF coated with a thickness of 100 ㎛ has a shielding rate similar to that of copper and can also be used for EV/HEV automotive cables and other applications in the future.

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참고문헌

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