한국섬유공학회지 (Textile Science and Engineering)

  • 제54권6호
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  • Pages.403-411
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  • 2017
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
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DOI QR코드

DOI QR Code

세섬도 아라미드 섬유를 이용한 니들펀칭 부직포의 제조 및 저속충격특성에 관한 연구

Manufacture of Nonwoven Fabrics and Investigation of Low-Velocity Impact Behavior Using Fine Denier Aramid Staple Fibers

  • 권남희 (한국생산기술연구원 휴먼융합기술그룹) ;
  • 정원영 (한국생산기술연구원 휴먼융합기술그룹) ;
  • 최영옥 (한국생산기술연구원 산업용섬유그룹) ;
  • 유의상 (한국생산기술연구원 휴먼융합기술그룹)
  • Kwon, Nam Hee (Human Convergence Technology Group, Korea Institute of Industrial Technology) ;
  • Jeong, Won Young (Human Convergence Technology Group, Korea Institute of Industrial Technology) ;
  • Choi, Yeong Og (Technical Textile R&D Group, Korea Institute of Industrial Technology) ;
  • Yoo, Euisang (Human Convergence Technology Group, Korea Institute of Industrial Technology)
  • 투고 : 2017.09.28
  • 심사 : 2017.11.15
  • 발행 : 2017.12.31
⟨ 이전 논문 다음 논문 ⟩

초록

Needle-punched aramid nonwoven fabrics were manufactured with a focus on the fiber fineness, fiber length, and needle punching density to improve the absorption and distribution of impact energy, and their physical properties, structure, and low-velocity impact behavior were investigated. In addition, thermal-bonded aramid nonwoven fabrics were manufactured with different mixing ratios of the binder fibers (LM-PET), and their impact resistance properties were analyzed. The tensile strength of the aramid nonwoven fabrics were observed to increase with an increase in the needle punching density. In comparison with woven fabrics of the same weight, the nonwoven fabrics exhibited higher energy absorption capability. This can be attributed to the higher deformability of the nonwoven fabrics that arises from an easily disordered fiber network of the mechanically entangled structure when under impact. Most of the impact energy was dissipated by frictional sliding and deformation of the fibers without significant fiber fracture. Mixing the binder fibers improved the impact absorption due to physical entanglement caused by the needle punching and adhesion between the fibers and the web in the binder fibers.

키워드

참고문헌

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