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TECHNICAL PAPERS

The Effect of Nanotube Waviness and Agglomeration on the Elastic Property of Carbon Nanotube-Reinforced Composites

[+] Author and Article Information
Dong-Li Shi, Xi-Qiao Feng

Key Lab of Failure Mechanics of Education Ministry of China, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P.R. China

Yonggang Y. Huang

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801

Keh-Chih Hwang

Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P.R. China

Huajian Gao

Max Planck Institute for Metals Research, Heisenbergstrasse 3, D-70569 Stuttgart, Germany

J. Eng. Mater. Technol 126(3), 250-257 (Jun 29, 2004) (8 pages) doi:10.1115/1.1751182 History: Received June 30, 2003; Revised March 01, 2004; Online June 29, 2004
Copyright © 2004 by ASME
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References

Figures

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A CNT with a global and a local coordinate system
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Effective elastic moduli of a composite reinforced with aligned straight CNTs
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Effective elastic moduli of a composite reinforced with randomly orientated straight CNTs
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The spring model of a curved CNT
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Calculation model of the strain in a curved CNT: (a) a curved CNT in the RVE; (b) a slice of infinitesimal thickness; and (c) the approximate model for calculating the strain in the slice
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Effect of CNT waviness on the effective elastic modulus in the longitudinal direction
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Effect of CNT waviness on the effective elastic modulus in the transversal direction
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Eshelby inclusion model of agglomeration of CNTs
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Effect of CNT agglomeration on the effective elastic modulus with ζ=1, in which the CNTs are assumed to be: (a) isotropic; and (b) transversely isotropic
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The effective elastic modulus of a CNT-reinforced composite with agglomeration effect with ξ=0.5, in which the CNTs are assumed to be: (a) isotropic; and (b) transversely isotropic

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