...R. H. Plaut; A. D. Borum; D. A. Dillard Folding of carbon nanotubes and graphene nanoribbons into a shape that looks like a tennis racket is considered. An elastic continuum model is utilized in two types of analysis. The first is called an “adhesion model,” in which the adjacent sides...

... microstructures. Finally, the similarities between the effective conductivity properties and percolation threshold are discussed. 30 03 2011 15 09 2011 15 10 2011 12 12 2011 12 12 2011 carbon nanotubes electrical conductivity filled polymers Monte Carlo methods nanocomposites...

...R. Ansari; H. Rouhi In the current work, the vibration characteristics of single-walled carbon nanotubes (SWCNTs) under different boundary conditions are investigated. A nonlocal elastic shell model is utilized, which accounts for the small scale effects and encompasses its classical continuum...

... and microstructure changes due to multiwalled carbon nanotubes (MWNTs) dispersed in the composite laminates. In addition, effects of different nanotube functionalization and morphology are characterized via scanning electron microscopy and optical microscopy. To achieve adequate nanotube dispersion in the epoxy...

... with a three roll milling technique. XD-grade carbon nanotubes (XD-CNTs) were infused into Epon 862 epoxy and the mixture was then mechanically mixed with a mechanical stirrer before placing into a sonicator. This mixture was submerged continuously in a cooling bath to prevent premature polymerization. Once...

... a pair of single-walled carbon nanotubes (CNTs) in water. An adaptive biasing force method is used to speed up the calculations. Simulation results show that CNT orientation and the addition of surfactant can significantly affect CNT interactions and inturn dispersion. In this study, molecular dynamics...

...Yozo Mikata This paper treats approximate solutions for a self-folding problem of carbon nanotubes. It has been observed in the molecular dynamics calculations ( Buehler, Kong, Gao, and Huang, 2006, “Self-Folding and Unfolding of Carbon Nanotubes,” ASME J. Eng. Mater. Technol., 128, pp. 3–10...

... of theoretical frameworks, assessment of model predictive capabilities, and discovery of new physical phenomena. carbon nanotubes design of experiments elasticity micromechanical devices microswitches nanowires plasticity thin films In the past two decades, significant research efforts have...

...M. Garg; A. Pantano; M. C. Boyce An equivalent orthotropic representation (EOR) of the nonlinear elastic behavior of multiwalled carbon nanotubes (MWCNTs) was developed based on a nested shell structural representation of MWCNTs. The EOR model was used together with the finite element method...

...Markus J. Buehler; Yong Kong; Huajian Gao; Yonggang Huang Carbon nanotubes (CNTs) constitute a prominent example of nanomaterials. In most studies on mechanical properties, the effort was concentrated on CNTs with relatively small aspect ratio of length to diameters. In contrast, CNTs with aspect...

...Xiaohu Yao; Qiang Han The buckling of multiwalled carbon nanotubes under torsional load coupling with temperature change is researched. The effects of torsional load, temperature change, surrounding elastic medium, and van der Waals forces between the inner and outer nanotubes are taken...

...S. Namilae; N. Chandra, Fellow ASME In order to fully harness the outstanding mechanical properties of carbon nanotubes (CNT) as fiber reinforcements, it is essential to understand the nature of load transfer in the fiber matrix interfacial region of CNT-based composites. With controlled...

... modulus and bifurcation strain of single-wall carbon nanotubes. Similar to Eq. 19 , the total potential energy is related to the potential energy U ε per atom by U tot = N U ε , and U ε is given by 29 U ε = 1 2 ∑ 1 ⩽ j ⩽ n V [ r i...

... general case of arbitrarily oriented nanotube rafts. The analysis in part I is based on the JKR theory of adhesion and linear elasticity for aligned multiwalled carbon nanotube raft configuration. It gives rise of several interesting predictions. First, two surfaces covered by aligned nanotubes can adhere...

...Wei Yang; Hongtao Wang; Y. Huang The analysis in part I of this series is extended to the case of inclined and randomly distributed multiwall carbon nanotube (MWCNT) rafts that are brought into contact. The MWCNTs are modeled by elastic and cylindrically anisotropic materials. The JKR theory...

...Z. Xia; W. A. Curtin; B. W. Sheldon The fracture toughness of highly-ordered multi-wall carbon-nanotube-reinforced alumina composites is calculated from experimental data on nanoindentation cracking. A combined analytical and numerical model, using cohesive zone models for both matrix cracking...

...H. T. Johnson; B. Liu; Y. Y. Huang Carbon nanotubes are a material system of increasing technological importance with superb mechanical and electrical properties. It is well known that depending on details of atomic structure, nanotubes may be electrically conducting, semiconducting, or insulating...

...Dong-Li Shi; Xi-Qiao Feng; Yonggang Y. Huang; Keh-Chih Hwang; Huajian Gao Owing to their superior mechanical and physical properties, carbon nanotubes seem to hold a great promise as an ideal reinforcing material for composites of high-strength and low-density. In most of the experimental results...

...Yonggang Huang 29 06 2004 carbon nanotubes mechanical properties mechanics There has been extensive research on carbon nanotubes since their first discovery in 1991. Carbon nanotubes display superior material properties, and have many potential applications in nano...

...Markus J. Buehler; Yong Kong; Huajian Gao We report atomistic studies of single-wall carbon nanotubes with very large aspect ratios subject to compressive loading. These long tubes display significantly different mechanical behavior than tubes with smaller aspect ratios. We distinguish three...