Journal
INTERNATIONAL JOURNAL OF NANOSCIENCE
Volume 10, Issue 4-5, Pages 989-993Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219581X11008666
Keywords
Carbon nanotubes; buckling; torsion
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In this work, the critical twist angles of two types of CNTs, zigzag and armchair of different lengths are determined using molecular and structural mechanics. The results show that the torsional buckling modes predicted by the two methods are the same. It is also shown that critical twist angle decreases as CNTs length increases. Structural mechanics underpredicts the critical angle for both armchair and zigzag nonotubes. It is also shown that the critical angle for armchair nanotubes is higher than that for zigzag nanotubes.
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