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Keywords: carbon nanotubes
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Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2012, 134(2): 021009.
Published Online: March 27, 2012
...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...
Journal Articles
Article Type: Bridging Microstructure, Properties, And Processing Of Polymer-Based Advanced Materials
J. Eng. Mater. Technol. January 2012, 134(1): 010902.
Published Online: December 12, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011008.
Published Online: December 8, 2011
...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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041006.
Published Online: October 14, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041009.
Published Online: October 14, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021012.
Published Online: February 19, 2010
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011013.
Published Online: December 1, 2009
...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...
Journal Articles
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041208.
Published Online: September 1, 2009
... 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...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2007, 129(3): 431–439.
Published Online: December 2, 2006
...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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2006, 128(1): 3–10.
Published Online: December 27, 2005
...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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2006, 128(3): 419–427.
Published Online: December 20, 2005
...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...
Journal Articles
Article Type: Article
J. Eng. Mater. Technol. April 2005, 127(2): 222–232.
Published Online: April 6, 2005
...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...
Journal Articles
Article Type: Special Section On Nanomaterials And Nanomechanics
J. Eng. Mater. Technol. October 2005, 127(4): 408–416.
Published Online: March 24, 2005
... 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...
Journal Articles
Article Type: Special Section On Nanomaterials And Nanomechanics
J. Eng. Mater. Technol. October 2005, 127(4): 383–392.
Published Online: November 15, 2004
... 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...
Journal Articles
Article Type: Special Section On Nanomaterials And Nanomechanics
J. Eng. Mater. Technol. October 2005, 127(4): 393–399.
Published Online: November 15, 2004
...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...
Journal Articles
Article Type: Foreword
J. Eng. Mater. Technol. July 2004, 126(3): 221.
Published Online: June 29, 2004
...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...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2004, 126(3): 245–249.
Published Online: June 29, 2004
...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...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2004, 126(3): 230–237.
Published Online: June 29, 2004
...Marc Dequesnes; Zhi Tang; N. R. Aluru In this paper, we report on molecular dynamics (MD), continuum (based on linear and nonlinear beam theories) and combined molecular dynamics/continuum simulation of carbon nanotube based nanoelectromechanical switches. As a prototype device, we study the pull...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2004, 126(3): 279–284.
Published Online: June 29, 2004
...A. Pantano; M. C. Boyce; D. M. Parks A recently developed procedure for modeling the deformation of single and multi-wall carbon nanotubes [13,14] is applied to nanotube buckling and post-buckling under axial compression. Critical features of the model, which is grounded in elastic shell theory...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2004, 126(3): 265–270.
Published Online: June 29, 2004
...H. Jiang; B. Liu; Y. Huang; K. C. Hwang We have developed an analytical method to determine the coefficient of thermal expansion (CTE) for single wall carbon nanotubes (CNTs). We have found that all CTEs are negative at low and room temperature and become positive at high temperature. As the CNT...