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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
The Buckling Behavior of Boron Nitride Nanotubes under Bending: An Atomistic Study
Author(s)
Van-Trang Nguyen
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DOI:10.17265/2162-5298/2017.06.004
Affiliation(s)
Department of Mechanical Design and Manufacture, Faculty of Mechanical Engineering, Thai Nguyen University of Technology, Thai Nguyen City 250000, Vietnam
ABSTRACT
In this paper, the buckling behavior of zigzag BN (Boron Nitride)
nanotubes under bending is studied through molecular dynamics finite element
method with Tersoff potential. The tube with namely (15, 0) BN zigzag tube is
investigated. The critical bending buckling angle, moment and curvature are
studied and examined with respect to the tube length-diameter ratios from 5 to
30. Effects of a SW (Stone-Wales) defect in the middle tube on the bending
behavior are also discussed. The
results show that the tube length affects significantly the bending behavior of
these tubes. All tubes exhibit brittle fracture under bending. The buckling
takes place at the middle in the
compressive side of these tubes. These results are
important information on the buckling behaviors of pristine and Stone-Wales BN
nanotubes, which will be useful for their future applications.
KEYWORDS
Atomistic simulation, bending, boron nitride nanotube, buckling.
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