論文

査読有り
2005年

Oxidative stabilization of PAN/SWNT composite fiber

CARBON
  • BG Min
  • ,
  • TV Sreekumar
  • ,
  • T Uchida
  • ,
  • S Kumar

43
3
開始ページ
599
終了ページ
604
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.carbon.2004.10.034
出版者・発行元
PERGAMON-ELSEVIER SCIENCE LTD

PAN/SWNT composite fibers have been spun with 0, 5, and 10wt% single wall carbon nanotubes (SWNTs). Tensile fracture surfaces of polyacrylonitrile (PAN) fibers exhibited extensive fibrillation, while for PAN/SWNT composite fibers, tendency to fibrillate decreased with increasing SWNT content. The reinforcing effect of SWNTs on the oxidized polyacrylonitrile (PAN) fiber has been studied. At 10wt% SWNTs, breaking strength, modulus, and strain to failure of the oxidized composite fiber increased by 100%, 160%, and 115%, respectively. Tensile fracture surfaces of thermally stabilized PAN and the PAN/SWNT fibers exhibited brittle behavior and well distributed SWNT ropes covered with the oxidized matrix can be observed in the tensile fracture surfaces of the fibers. No de-bonding has been observed between unoxidized or the oxidized PAN matrix and the nanotube ropes. Higher strain to failure of the oxidized composite fiber as compared to that of the oxidized control PAN fiber also suggests good adhesion/interaction between SWNT and the oxidized matrix. Thermal stresses generated on the composite fiber during the oxidation process were lower than those for the control fiber. The potential of PAN/SWNT composite fiber as the precursor material for the carbon fiber has been discussed. (C) 2004 Elsevier Ltd. All rights reserved.

リンク情報
DOI
https://doi.org/10.1016/j.carbon.2004.10.034
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000226574600017&DestApp=WOS_CPL
ID情報
  • DOI : 10.1016/j.carbon.2004.10.034
  • ISSN : 0008-6223
  • Web of Science ID : WOS:000226574600017

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