Buckling and Vibration of Carbon Nanotubes Embedded in Polyethylene Polymers

[+] Author and Article Information
Quan Wang

e-mail: q_wang@umanitoba.ca
Department of Mechanical
and Manufacturing Engineering,
University of Manitoba,
Winnipeg, MB, R3T 5V6, Canada

Vijay K. Varadan

Department of Electrical Engineering,
University of Arkansas,
Fayetteville, AR 72701-1201

Wenhui Duan

Department of Civil Engineering,
Monash University, Clayton,
Victoria 3168, Australia

1Corresponding author.

Manuscript received April 10, 2012; final manuscript received June 14, 2012; published online September 24, 2012. Assoc. Editor: Henry Hess.

J. Nanotechnol. Eng. Med 3(2), 020905 (Sep 24, 2012) (4 pages) doi:10.1115/1.4007538 History: Received April 10, 2012; Revised June 14, 2012

The discovery of buckling instability and vibration of polyethylene (PE)/carbon nanotube (CNT) matrices is reported by molecular mechanics simulations. The buckling strains and the resonance frequencies are found to decrease with an increase in the number of polyethylene chains in the polyethylene/carbon nanotube matrices. The van der Waals forces between the polyethylene chains and the carbon nanotube in matrices are investigated to provide physical interpretations on the findings.

Copyright © 2012 by ASME
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Grahic Jump Location
Fig. 3

Radial breath mode of a PE–CNT matrix containing 1 PE chain

Grahic Jump Location
Fig. 1

(a) Top views of (5.5) CNT in 2 × 2 × 2 nm matrix before and (b) after minimization

Grahic Jump Location
Fig. 2

(a) Top and (b) side views of buckling shapes of (6,6) CNT in the 2 × 2 × 2 nm matrix containing 15 PE chains




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