The processing, properties, and structure of carbon fibers

Minus, Marilyn L.; Kumar, Satish

doi:10.1007/s11837-005-0217-8

Cited by 344 publications

(215 citation statements)

References 44 publications

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“…The estimated density was larger than those for fibres spun from solutions (1.3 g cm À 3 ) 13 and aerogels (0.9 g cm À 3 ) 24 . It was even sometimes larger than the theoretical density of CNTs (1.5 g cm À 3 ) 13 and approached that for pure CFs (1.8 g cm À 3 ) 1 . The additional mass may be due to the presence of iron catalyst particles from synthesis process.…”

Section: Continuous Spinning Processmentioning

confidence: 76%

“…To this end, carbon fibre has achieved partial success as some CFs have a tensile strength s b reaching 6 GPa, and others an electrical conductivity k approaching 1.0 Â 10 4 S cm À 1 (see ref. 1). But deficiencies of their own virtues do exist, mainly including: (1) a low tensile elongation to break (d, B1-2%) and very low k for high-strength CFs and (2) low s b and even nil d for high-conductivity CFs.…”

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confidence: 99%

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High-strength carbon nanotube fibre-like ribbon with high ductility and high electrical conductivity

et al. 2014

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Macroscopic fibres made up of carbon nanotubes exhibit properties far below theoretical predictions and even much lower than those for conventional carbon fibres. Here we report improvements of mechanical and electrical properties by more than one order of magnitude by pressurized rolling. Our carbon nanotubes self-assemble to a hollow macroscopic cylinder in a tube reactor operated at high temperature and then condense in water or ethanol to form a fibre, which is continually spooled in an open-air environment. This initial fibre is densified by rolling under pressure, leading to a combination of high tensile strength (3.76-5.53 GPa), high tensile ductility (8-13%) and high electrical conductivity ((1.82-2.24) Â 10 4 S cm À 1 ). Our study therefore demonstrates strategies for future performance maximization and the very considerable potential of carbon nanotube assemblies for high-end uses.

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Section: Continuous Spinning Processmentioning

confidence: 76%

mentioning

confidence: 99%

High-strength carbon nanotube fibre-like ribbon with high ductility and high electrical conductivity

et al. 2014

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“…Polyacrylonitrile (PAN) is currently the predominant precursor for carbon fibers [1][2][3][4][5][6]. Carbon nanotubes (CNT) can be well dispersed in PAN resulting in PAN/CNT composite fiber modulus consistent with theoretical predictions [7,8] or higher [9].…”

Section: Introductionmentioning

confidence: 73%

Stabilization and carbonization of gel spun polyacrylonitrile/single wall carbon nanotube composite fibers

Kumar

Chae

Minus

et al. 2007

Polymer

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“…15) However, the progress of graphitization in this study was given at lower temperature. Otani et al have reported about catalytic graphitization of carbon by various metals.…”

Section: Resultsmentioning

confidence: 88%

Graphitization behavior of polymer in the gelcasted alumina by sintering

Kato

Shirai

Fuji

et al. 2009

J. Ceram. Soc. Japan

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A new fabrication method of electrical conductive alumina/carbon composite ceramics has been investigated. An advantage of this material is good electrical conductivity based on the uniformity of carbon network generated from polymer in the gelcasted green body. In this study, we discussed the graphitization behavior of the polymer into a gelcasted alumina. As a result of the graphitization, the density, electrical conductivity and degree of graphitization were increasing at a higher temperature. Especially, those values were remarkably increased from 1500°C. The sample sintered at 1700°C, it has an electrical conductivity of 4.11 S/cm and high graphitization similar to pyrolytic graphite. It is thought that the presence and sintering of alumina particle has an important factor in this behavior.

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The processing, properties, and structure of carbon fibers

Cited by 344 publications

References 44 publications

High-strength carbon nanotube fibre-like ribbon with high ductility and high electrical conductivity

High-strength carbon nanotube fibre-like ribbon with high ductility and high electrical conductivity

Stabilization and carbonization of gel spun polyacrylonitrile/single wall carbon nanotube composite fibers

Graphitization behavior of polymer in the gelcasted alumina by sintering

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