Journal ArticleDOI
Torsional vibration of carbon nanotube with axial velocity and velocity gradient effect
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TLDR
In this article, a nonlocal strain gradient theory developed from nonlocal theory was proposed for carbon nanotube in which axial velocity and the velocity gradient effect were separately considered on the basis of newly proposed nonlocal gradient theory.About:
This article is published in International Journal of Mechanical Sciences.The article was published on 2016-12-01. It has received 50 citations till now. The article focuses on the topics: Torsional vibration & Group velocity.read more
Citations
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Closed form solution for a nonlocal strain gradient rod in tension
Xiaowu Zhu,Li Li +1 more
TL;DR: In this article, a size-dependent integral elasticity model is developed for a small-scaled rod in tension based on the nonlocal strain gradient theory, which contains a nonlocal parameter and a material length scale parameter to incorporate the scaling effects of nonlocal stress and microstructure-dependent strain gradient.
Journal ArticleDOI
Post-buckling analysis of functionally graded nanobeams incorporating nonlocal stress and microstructure-dependent strain gradient effects
TL;DR: In this article, a size-dependent Euler-Bernoulli beam model is proposed to investigate the scaling effect on the post-buckling behaviors of functionally graded (FG) nanobeams with the von Karman geometric nonlinearity.
Journal ArticleDOI
A unified nonlocal strain gradient model for nanobeams and the importance of higher order terms
TL;DR: In this paper, a unified size-dependent high-order beam model which contains various higher-order shear deformation beam models as well as Euler-Bernoulli and Timoshenko beam models is developed to study the simultaneous effects of nonlocal stress and strain gradient on the bending and buckling behaviors of nanobeams by using the nonlocal strain gradient theory.
Journal ArticleDOI
A standard experimental method for determining the material length scale based on modified couple stress theory
TL;DR: In this article, a standard experimental method for determining the intrinsic material length scale of modified couple stress theory is proposed based on a non-contact laser Doppler vibration measurement system, where the first-order resonant frequencies of two different cantilever microbeams made of copper and titanium with thickness ranging from 15 to 2
Journal ArticleDOI
The effect of thickness on the mechanics of nanobeams
Li Li,Haishan Tang,Yujin Hu +2 more
TL;DR: In this article, a nonlocal strain gradient beam model incorporating the thickness effect is developed for the size-dependent buckling analysis of nanobeams, and closed-form solutions are derived for post-buckling configuration and critical buckling force.
References
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Journal ArticleDOI
Helical microtubules of graphitic carbon
TL;DR: Iijima et al. as mentioned in this paper reported the preparation of a new type of finite carbon structure consisting of needle-like tubes, which were produced using an arc-discharge evaporation method similar to that used for fullerene synthesis.
Journal ArticleDOI
Carbon Nanotubes--the Route Toward Applications
TL;DR: Many potential applications have been proposed for carbon nanotubes, including conductive and high-strength composites; energy storage and energy conversion devices; sensors; field emission displays and radiation sources; hydrogen storage media; and nanometer-sized semiconductor devices, probes, and interconnects.
Journal ArticleDOI
Nanotube molecular wires as chemical sensors
Jing Kong,Nathan R. Franklin,Chongwu Zhou,Michael Chapline,Shu Peng,Kyeongjae Cho,Hongjie Dai +6 more
TL;DR: The nanotubes sensors exhibit a fast response and a substantially higher sensitivity than that of existing solid-state sensors at room temperature and the mechanisms of molecular sensing with nanotube molecular wires are investigated.
Journal ArticleDOI
Room-temperature transistor based on a single carbon nanotube
TL;DR: In this paper, the fabrication of a three-terminal switching device at the level of a single molecule represents an important step towards molecular electronics and has attracted much interest, particularly because it could lead to new miniaturization strategies in the electronics and computer industry.
Journal ArticleDOI
Exceptionally high Young's modulus observed for individual carbon nanotubes
TL;DR: In this article, the amplitude of the intrinsic thermal vibrations of isolated carbon nanotubes was measured in the transmission electron microscopy (TEM) and it was shown that they have exceptionally high Young's moduli, in the terapascal (TPa) range.
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