Anisotropy of sheared carbon-nanotube suspensions

Document Type

Article

Publication Date

7-15-2005

Abstract

We measure the anisotropy of sheared carbon-nanotube suspensions for a broad range of concentration, aspect ratio, and strain rate using a variety of methods. Our measurements highlight the importance of excluded-volume interactions in the semidilute regime, with scaling in terms of a dimensionless shear rate. Our results also suggest that such interactions might be exploited to fractionate carbon nanotubes by length in simple shear flow. © 2005 The American Physical Society.

Publication Title

Physical Review Letters

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