Extreme anisotropy of graphite and single-walled carbon nanotube bundles

Li Feng Wang; Quan Shui Zheng

doi:10.1063/1.2722057

Extreme anisotropy of graphite and single-walled carbon nanotube bundles

Li Feng Wang
, Quan Shui Zheng

Mechanical Engineering

Tsinghua University

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

The anisotropic elastic properties of hexagonal crystals are examined in this letter. It is found that graphite possesses extreme properties with the highest anisotropy degree and the lowest shear modulus to Young's modulus ratio compared with all other known hexagonal crystals. Further, single-walled carbon nanotube (SWNT) bundles, as a kind of hexagonal material, have higher anisotropy degree and lower modulus ratio than those of graphite. These extreme mechanical properties of graphite and SWNT bundles promise great application potentials in composites, sensors, and functional materials.

Original language	English
Article number	153113
Journal	Applied Physics Letters
Volume	90
Issue number	15
DOIs	https://doi.org/10.1063/1.2722057
State	Published - 2007

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title = "Extreme anisotropy of graphite and single-walled carbon nanotube bundles",

abstract = "The anisotropic elastic properties of hexagonal crystals are examined in this letter. It is found that graphite possesses extreme properties with the highest anisotropy degree and the lowest shear modulus to Young's modulus ratio compared with all other known hexagonal crystals. Further, single-walled carbon nanotube (SWNT) bundles, as a kind of hexagonal material, have higher anisotropy degree and lower modulus ratio than those of graphite. These extreme mechanical properties of graphite and SWNT bundles promise great application potentials in composites, sensors, and functional materials.",

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AB - The anisotropic elastic properties of hexagonal crystals are examined in this letter. It is found that graphite possesses extreme properties with the highest anisotropy degree and the lowest shear modulus to Young's modulus ratio compared with all other known hexagonal crystals. Further, single-walled carbon nanotube (SWNT) bundles, as a kind of hexagonal material, have higher anisotropy degree and lower modulus ratio than those of graphite. These extreme mechanical properties of graphite and SWNT bundles promise great application potentials in composites, sensors, and functional materials.

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VL - 90

JO - Applied Physics Letters

JF - Applied Physics Letters

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Extreme anisotropy of graphite and single-walled carbon nanotube bundles

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