Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Preparation and Characterization of PAN-based Carbon Fiber with Carbonization Temperature

PAN계 탄소섬유의 제조 및 탄화 조건에 따른 특성 분석

  • Lee, Hyun Jae (Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University) ;
  • Won, Jong Sung (Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University) ;
  • Lim, Sung Chan (Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University) ;
  • Lee, Tae Sang (Kolon Industries, Inc.) ;
  • Yoon, Jun Young (Kolon Industries, Inc.) ;
  • Lee, Seung Goo (Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University)
  • 이현재 (충남대학교 유기소재.섬유시스템공학과) ;
  • 원종성 (충남대학교 유기소재.섬유시스템공학과) ;
  • 임성찬 (충남대학교 유기소재.섬유시스템공학과) ;
  • 이태상 (코오롱인더스트리 주식회사) ;
  • 윤준영 (코오롱인더스트리 주식회사) ;
  • 이승구 (충남대학교 유기소재.섬유시스템공학과)
  • Received : 2016.02.23
  • Accepted : 2016.04.04
  • Published : 2016.04.30
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Abstract

In this study, PAN (polyacrylonitrile)-based carbon fiber was prepared under different carbonization conditions. Carbonization of oxi-PAN fiber was performed under four different temperature conditions. Changes in the characteristics of these carbon fibers prepared under each condition were studied using various analyses. Crystalline characteristics of carbon fiber such as crystallinity and crystal size were analyzed using X-ray diffraction (XRD) and Scherrer's equation, based on the XRD patterns, respectively. The tensile strength and modulus of these carbon fibers were measured through a tensile test. Thermal characteristics were analyzed using a thermogravimetric analyzer (TGA). The result showed that the crystal size and crystallinity of the carbon fibers increased with carbonization temperature. Furthermore, both mechanical strength and thermal resistance were also observed to improve with carbonization temperature. Finally, a relationship between carbonization temperature, thermal properties, and mechanical properties of the carbon fibers was derived.

Keywords

Acknowledgement

Supported by : 한국산업기술진흥원

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