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Modeling of Nanoimprinting of Metals by Nanotube Arrays

Published online by Cambridge University Press:  01 February 2011

Lili Li ,
Zhenhai Xia  and
Yanqing Yang
Lili Li
Affiliation:
lil3@uakron.edu, University of Akron, Department of Mechanical Engineering, Akron, Ohio, United States
Zhenhai Xia
Affiliation:
zxia@uakron.edu, The University of Akron, Department of Mechancial Engineering, Akron, United States
Yanqing Yang
Affiliation:
yqyang@nwpu.edu.cn, Northwestern Polytechnic University, Xi'an, Shannxi, China
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Abstract

Molecular dynamics (MD) simulations are reported for buckling and interfacial friction of single- and multi-wall carbon nanotubes (CNT) with interwall sp3 bonds imprinted on copper substrates. A small perturbation of mechanical vibration is applied to the systems in the nanoimprinting. The imprinting capabilities of multi-wall CNTs are much better than single-wall CNTs. While the single-wall CNT is insensitive to the vibration, the indentation force and buckling of multi-wall CNTs with interwall sp3 bonding is dependent on the amplitude of the perturbation, providing a way to controlling the interfacial friction. There is an optimal amplitude, at which the buckling and friction force of the CNTs are minimized in nanoimprinting.

Keywords

metalnanostructurenano-indentation
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1137: Symposium EE – Nano-and Microscale Materials–Mechanical Properties and Behavior under Extreme Environments , 2008 , 1137-EE10-13
Copyright
Copyright © Materials Research Society 2009

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References

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