A molecular mechanics analysis of the buckling behavior of carbon nanorings under tension

Buckling Behavior of Armchair and Zigzag Carbon Nanorings

“…A single bond connects the carbon-carbon atoms in all of the nanorings (8,8), similar to the rings (5, 5) in previous work, 14 which allows their buckling characteristics to be compared. One unit of an armchair nanoring (8,8) comprises two circles of carbon atoms in a CNT, and has 32 carbon atoms in one unit.…”

“…Chen et al 13 reported the Young's modulus, extensibility, and tensile strength of connected nanorings by using molecular dynamics (MD) simulation, in which the tensile loading on individual nanorings was provided by connected nanotubes with idealized constraints of nanochains and nanomiles. The buckling behavior of carbon nanorings (5,5) was investigated by Feng and Liew,14 who found that the critical tension * Author to whom correspondence should be addressed. displacements of carbon nanorings in a diameter range of 3∼20 nm increase with diameter when the ring diameter is larger than about 4.7 nm.…”

Mechanical properties and characteristics of microtubules: A review

“…Hu et al [95] and He et al [38] proposed the nonlocal shell model to link the atomic structure with continuum body and further studied the wave propagation and buckling phenomenon in CNTs. Liew et al successfully carried out systematic and comprehensive researches, from atomic level to continuum approach, for studying CNTs [44,49,[66][67][68][69][113][114][115][116][117][118][119]. A multiscale method based on MD and tight-binding with a handshaking interface was developed to study the mechanical properties of CNTs [42].…”

“…The MD technique was also used to examine tensile and compressive properties of non-twisted and twisted CNT bundles [35][36][37]. Systematic investigations have been carried out by employing atomistic simulation techniques, and have also brought great contribution to the research of fullerenes, CNTs and other graphene structures [32,33,[43][44][45][46][47][48][49][50][51][52][53][54][55]. Different atomistic simulation techniques have been utilized to investigate microtubules and validate the experimental results.…”

Effect of High Temperature and the Presence of Stone-Wales Defects on the Mechanical Behavior of a Single Wall Carbon Nanotube Under Tension and Compression

“…Buckling of functionalized SWCNTs under axial compression is investigated by Kuang et al 25 A molecular mechanics (MM) study of the buckling behavior of ring shaped CNTs under tension is carried out by Feng and Liew. 26 Zhang et al 27 also not very large in number. But, for the application of the CNTs as reinforcing fibres in composite materials, the effect of high temperatures and the presence of defects must be thoroughly examined.…”