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Tensile Properties and Morphology of Carbon Fibers Stabilized by Plasma Treatment
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  • Journal title : Carbon letters
  • Volume 12, Issue 1,  2011, pp.16-20
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2011.12.1.016
 Title & Authors
Tensile Properties and Morphology of Carbon Fibers Stabilized by Plasma Treatment
Lee, Seung-Wook; Lee, Hwa-Young; Jang, Sung-Yeon; Jo, Seong-Mu; Lee, Hun-Soo; Lee, Sung-Ho;
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Commercial PAN fibers were thermally stabilized at 220 or for 30 min. Those fibers were further stabilized using radio-frequency (RF) capacitive plasma discharge during 5 or 15 min. From Fourier transform infrared spectroscopy results, it was observed that an additional plasma treatment led to further stabilization of PAN fibers. After stabilization, carbonization was performed to investigate the final tensile properties of the fabricated carbon fibers (CFs). The results revealed that a combination of thermal and plasma treatment is a possible stabilization process for manufacturing CFs. Morphology of CFs was investigated using scanning electron microscopy. The morphology shows that the plasma stabilization performed by the RF large gap plasma discharge may damage the surface of the CF, so it is necessary to select a proper process condition to minimize the damage.
Polyacrylonitrile;Carbon fiber;Plasma treatment;Tensile properties;Scanning electron microscopy;
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