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Mechanics of Advanced Materials and Structures Volume 26, 2019 - Issue 16
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Original Articles

Bending of boron nitride nanotubes: An atomistic study

Van-Trang NguyenDepartment of Mechanics of Materials and Structures, School of Mechanical Engineering, Hanoi University of Science and Technology, Hanoi, Viet Nam;Faculty of mechanical engineering, Thai Nguyen University of Technology, Thai Nguyen city, VietnamView further author information
,
Danh-Truong NguyenDepartment of Mechanics of Materials and Structures, School of Mechanical Engineering, Hanoi University of Science and Technology, Hanoi, Viet NamView further author information
&
Minh-Quy LeDepartment of Mechanics of Materials and Structures, School of Mechanical Engineering, Hanoi University of Science and Technology, Hanoi, Viet NamCorrespondence[email protected]
View further author information
Pages 1357-1364 | Received 21 Sep 2017, Accepted 17 Nov 2017, Published online: 09 Feb 2018
 
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ABSTRACT

The present work investigates through molecular dynamics finite element method with Tersoff potential the buckling behavior of boron nitride (BN) armchair and zigzag nanotubes under bending. The critical bending buckling angle, moment, and curvature are studied and discussed with respect to the tube length-diameter ratios from 10 to 50. Effects of a Stone-Wales defect in the middle tube on the bending behavior are also examined. The bending buckling mechanism is governed by the local instabilities and bond breaking in the compressive zone of the tubes. Results are useful for the design of nanocomposites and nano-devices with BN nanotubes.

Acknowledgments

Danh-TruongNguyen's work was funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 107.02–2016.13.

Additional information

Funding

Vietnam National Foundation for Science and Technology Development (NAFOSTED)

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