Effect of temperature and Stone-Thrower-Wales defects on strength of carbon nanotubes

K.A. Bukreeva, A.M. Iskandarov, S.V. Dmitriev, Y. Umeno
Accepted: 27 November 2013
This paper is written in Russian
Citation: K.A. Bukreeva, A.M. Iskandarov, S.V. Dmitriev, Y. Umeno. Effect of temperature and Stone-Thrower-Wales defects on strength of carbon nanotubes. Letters on Materials, 2013, 3(4) 318-321
BibTex   DOI: 10.22226/2410-3535-2013-4-318-321

Abstract

Critical tensile strain attainable in carbon nanotubes (CNT) is estimated by means of molecular dynamics simulations at various temperatures and for two types of CNT – «zigzag» and «armchair». Effect of Stone-Thrower-Wales (STW) de-fects on critical tensile strain is also examined. It is estab-lished that at zero temperature critical strain of defect-free «armchair» CNT is 66% higher than that of «zigzag» CNT, while at 2400 K this difference decreases down to 16%. Sig-nificant influence of STW defects on critical strain is re-ported only for temperatures close to 0 K.

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