Thin-shell theory based analysis of radially pressurized multiwall carbon nanotubes
Thin-shell theory based analysis of radially pressurized multiwall carbon nanotubes
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DOI：
10.1016/j.commatsci.2011.04.005
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发表时间：
2010-10
期刊：
影响因子：
--
通讯作者：
H. Shima;Susanta Ghosh;M. Arroyo;Kohtaroh Iiboshi;Motohiro Sato
中科院分区：
文献类型：
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作者：
H. Shima;Susanta Ghosh;M. Arroyo;Kohtaroh Iiboshi;Motohiro Sato
在连续介质弹性近似下，研究了多壁碳纳米管在静水压力作用下的径向变形。一个薄壳理论，精确的弹性常数和壁间耦合，使我们能够估计临界压力以上，原来的圆形横截面转化为径向波纹的。重点放在严格制定相邻墙壁之间的货车德瓦尔斯相互作用，我们分析使用两种不同的方法。加压MWNTs的物理性能的径向膨胀的可能后果进行了讨论。
The radial deformation of multiwall carbon nanotubes (MWNTs) under hydrostatic pressure is investigated within the continuum elastic approximation. A thin-shell theory, with accurate elastic constants and interwall couplings, allows us to estimate the critical pressure above which the original circular cross-section transforms into radially corrugated ones. The emphasis is placed on the rigorous formulation of the van der Waals interaction between adjacent walls, which we analyze using two different approaches. Possible consequences of the radial corrugation in the physical properties of pressurized MWNTs are also discussed.