2015
DOI: 10.1016/j.matchemphys.2015.08.033
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Numerical investigation on the influence of atomic defects on the tensile and torsional behavior of hetero-junction carbon nanotubes

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Cited by 13 publications
(14 citation statements)
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“…However, the global view from experimental observations clearly demonstrates that hetero-junction CNTs are constructed of two CNTs with different chiralities, which connect together by a kink with pentagon-heptagon cell pairs (also known as Stone-Wales defects) in the bent locations of the connection [34,40] (see Figure 6.2(a)). These kinks, whose existence and size seem to be noticeably effective on the mechanical properties of hetero-junction CNTs, are generally divided into two groups, straight and bent connections, as illustrated in Figure [47] bending angle about 36 ∘ ) [45] and small-angle connections (with bending angle about 12 ∘ ) [31,34]. There is also another classification of the kinks that depends on their corresponding homogeneous tubes' configurations, which build the hetero-junction CNTs.…”
Section: Atomic Geometry and Finite Element Simulation Of Hetero-juncmentioning
confidence: 99%
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“…However, the global view from experimental observations clearly demonstrates that hetero-junction CNTs are constructed of two CNTs with different chiralities, which connect together by a kink with pentagon-heptagon cell pairs (also known as Stone-Wales defects) in the bent locations of the connection [34,40] (see Figure 6.2(a)). These kinks, whose existence and size seem to be noticeably effective on the mechanical properties of hetero-junction CNTs, are generally divided into two groups, straight and bent connections, as illustrated in Figure [47] bending angle about 36 ∘ ) [45] and small-angle connections (with bending angle about 12 ∘ ) [31,34]. There is also another classification of the kinks that depends on their corresponding homogeneous tubes' configurations, which build the hetero-junction CNTs.…”
Section: Atomic Geometry and Finite Element Simulation Of Hetero-juncmentioning
confidence: 99%
“…However, the mechanical properties of such structures seem to vary considerably as a result of these atomic defects. Therefore, for simulations of atomically defective hetero-junction CNTs and investigating the influence of the atomic defects on the linear elastic properties of these nanomaterials, finite numbers of randomly chosen carbon atoms are replaced with silicon atoms (nodes) and removed from their structures to introduce different amounts of Si-doping and carbon vacancy to the hetero-junction CNTs and create atomically defective models, as illustrated in Figure 6.3(a)-(c) [47]. It is obvious that in the Si-doped models, the material properties of the Si-C bond (E Si-C = 7.18327 × 10 -6 N∕nm 2 ) are different from the ones for the C-C bond (E C-C = 5.484 × 10 -6 N∕nm 2 ).…”
Section: Finite Element Simulation Of Atomically Defective Hetero-junmentioning
confidence: 99%
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