Nano Archive

High-performance carbon nanotube fiber

Koziol, Krzysztof and Vilatela, Juan and Moisala, Anna and Motta, Marcelo and Cunniff, Philip and Sennett, Michael and Windle, Alan (2007) High-performance carbon nanotube fiber. SCIENCE, 318 (5858). pp. 1892-1895.

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With their impressive individual properties, carbon nanotubes should form high-performance fibers. We explored the roles of nanotube length and structure, fiber density, and nanotube orientation in achieving optimum mechanical properties. We found that carbon nanotube fiber, spun directly and continuously from gas phase as an aerogel, combines high strength and high stiffness ( axial elastic modulus), with an energy to breakage ( toughness) considerably greater than that of any commercial high- strength fiber. Different levels of carbon nanotube orientation, fiber density, and mechanical properties can be achieved by drawing the aerogel at various winding rates. The mechanical data obtained demonstrate the considerable potential of carbon nanotube assemblies in the quest for maximal mechanical performance. The statistical aspects of the mechanical data reveal the deleterious effect of defects and indicate strategies for future work.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Physical Science > Nano objects
ID Code:272
Deposited By:Lesley Tobin
Deposited On:24 Nov 2008 16:11
Last Modified:03 Feb 2009 12:20

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