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 into account at the same time. Using continuum mechanics, an elastic multishell model with thermal effect is presented for buckling of a multiwalled carbon nanotube embedded in an elastic matrix under thermal environment and torsional load. Based on the model, numerical results for the general case are obtained for the thermal effect on buckling of a multiwalled carbon nanotube under torsional load. It is shown that the buckling torque of a multiwalled carbon nanotube under a certain value of temperature change is dependent on the wave number of torsional buckling modes, and a conclusion is drawn that at room or lower temperature the critical torsional load for infinitesimal buckling of a multiwalled carbon nanotube increases as the value of temperature change increases, while at temperature higher than room temperature the critical torsional load for infinitesimal buckling of a multiwalled carbon nanotube decreases as the value of temperature change increases.
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e-mail: emqhan@scut.edu.cn
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July 2006
Research Papers
Buckling Analysis of Multiwalled Carbon Nanotubes Under Torsional Load Coupling With Temperature Change
Xiaohu Yao,
Xiaohu Yao
Department of Engineering Mechanics, College of Traffic and Communications,
South China University of Technology
, Guangzhou, 510640, P.R. China
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Qiang Han
Qiang Han
Department of Engineering Mechanics, College of Traffic and Communications,
e-mail: emqhan@scut.edu.cn
South China University of Technology
, Guangzhou, 510640, P.R. China
Search for other works by this author on:
Xiaohu Yao
Department of Engineering Mechanics, College of Traffic and Communications,
South China University of Technology
, Guangzhou, 510640, P.R. China
Qiang Han
Department of Engineering Mechanics, College of Traffic and Communications,
South China University of Technology
, Guangzhou, 510640, P.R. Chinae-mail: emqhan@scut.edu.cn
J. Eng. Mater. Technol. Jul 2006, 128(3): 419-427 (9 pages)
Published Online: December 20, 2005
Article history
Received:
June 11, 2005
Revised:
December 20, 2005
Citation
Yao, X., and Han, Q. (December 20, 2005). "Buckling Analysis of Multiwalled Carbon Nanotubes Under Torsional Load Coupling With Temperature Change." ASME. J. Eng. Mater. Technol. July 2006; 128(3): 419–427. https://doi.org/10.1115/1.2203102
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