Effect of graphene layer thickness on effective modulus of 3D CNT/Graphene nanostructures

J. Joseph; Y. C. Lu

doi:10.1142/S2047684115500104

Effect of graphene layer thickness on effective modulus of 3D CNT/Graphene nanostructures

J. Joseph, Y. C. Lu

Producción científica: Article › revisión exhaustiva

2 Citas (Scopus)

Resumen

Three-dimensional CNT/Graphene nanostructure is consisted of vertically aligned carbon nanotube pillars grown directly on parallel graphene layers. The effect of graphene layer thickness on mechanical properties of the 3D nanostructure is analyzed. Overall, when the graphene layers experience the out-of-plane loading, the effective properties (Young's modulus, shear modulus, and major Poisson's ratio) of the 3D CNT/Graphene structure are significantly dependent upon the thickness of graphene layers. When the graphene layers experience the in-plane loading, the effective properties of the 3D CNT/Graphene structure depend upon the graphene thickness initially and then remain relatively unchanged as the thickness increases. It is found that the optimal performance of the 3D CNT/Graphene structure requires a minimum of thickness for the graphene layers, g/t > 5.

Idioma original	English
Número de artículo	1550010
Publicación	International Journal of Computational Materials Science and Engineering
Volumen	4
N.º	2
DOI	https://doi.org/10.1142/S2047684115500104
Estado	Published - jun 1 2015

Nota bibliográfica

Publisher Copyright:
© 2015 Imperial College Press.

Financiación

This work has been supported by the Kentucky NASA EPSCoR RIA program and the Kentucky Science and Engineering Foundation (KSEF) RDE program.

Financiadores	Número del financiador
Kentucky NASA EPSCoR
Kentucky NASA EPSCoR RIA
NASA EPSCoR RIA
Kentucky Science and Engineering Foundation

ASJC Scopus subject areas

Numerical Analysis
Modeling and Simulation
General Materials Science
Mechanics of Materials
Computer Science Applications

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abstract = "Three-dimensional CNT/Graphene nanostructure is consisted of vertically aligned carbon nanotube pillars grown directly on parallel graphene layers. The effect of graphene layer thickness on mechanical properties of the 3D nanostructure is analyzed. Overall, when the graphene layers experience the out-of-plane loading, the effective properties (Young's modulus, shear modulus, and major Poisson's ratio) of the 3D CNT/Graphene structure are significantly dependent upon the thickness of graphene layers. When the graphene layers experience the in-plane loading, the effective properties of the 3D CNT/Graphene structure depend upon the graphene thickness initially and then remain relatively unchanged as the thickness increases. It is found that the optimal performance of the 3D CNT/Graphene structure requires a minimum of thickness for the graphene layers, g/t > 5.",

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KW - finite element method

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Effect of graphene layer thickness on effective modulus of 3D CNT/Graphene nanostructures

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ASJC Scopus subject areas

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