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Chirality Dependence of Carbon Single-Walled Nanotube Material Properties: Axial Young's Modulus

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Abstract:

The potential use of individual carbon nanotubes as nano devices warrants detailed investigation of their mechanical behavior based on structural and geometrical configurations. The objective of this paper is to unravel the structural and chirality dependence of the axial Young's modulus of a carbon single-walled nanotube by analytical and numerical approaches. In this work, we employ the general homogenization composite shell model developed based on the asymptotic homogenization technique for analytical modeling of single-walled nanotubes. We derive the working formulae for the effective elastic properties of carbon single-walled nanotube of any chirality and predict the structural and chiral dependence of the effective axial Young's modulus of the nanotube. Also, a finite element analysis on the chirality dependence of the axial Young's modulus of the carbon nanotube is reported. The outcomes of our analyses are compared with available experimental and simulation results.

Keywords: ASYMPTOTIC HOMOGENIZATION METHOD; AXIAL YOUNG'S MODULUS; CARBON SINGLE-WALLED NANOTUBE; CHIRALITY DEPENDENCE; COMPOSITE SHELL MODEL; FINITE ELEMENT METHOD

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2006.348

Publication date: July 1, 2006

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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