Journal of Materials Science

, Volume 50, Issue 10, pp 3614–3621

Preparation of low density hollow carbon fibers by bi-component gel-spinning method

  • Yaodong Liu
  • Han Gi Chae
  • Young Ho Choi
  • Satish Kumar
Original Paper

Abstract

Sheath–core polyacrylonitrile (PAN)/poly(methyl methacrylate) fibers were spun through bi-component dry-jet gel-spinning method and were used for fabricating hollow carbon fibers. After optimizing stabilization and carbonization conditions, the resulting PAN-based hollow carbon fibers possessed an average strength and modulus of 3.16 and 275 GPa, respectively. Additionally, 1 wt% carbon nanotubes (CNTs) were added to PAN portion to form PAN+CNT sheath. The PAN+CNT-based hollow carbon fiber had an average strength of 3.24 GPa and modulus of 254 GPa. These hollow carbon fibers can be used for fabricating low density and high performance structural composite materials.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Yaodong Liu
    • 1
  • Han Gi Chae
    • 1
  • Young Ho Choi
    • 1
  • Satish Kumar
    • 1
  1. 1.School of Materials Science and EngineeringGeorgia Institute of TechnologyAtlantaUSA

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