Izvestiya of Saratov University.

Mathematics. Mechanics. Informatics

ISSN 1816-9791 (Print)
ISSN 2541-9005 (Online)

For citation:

Glukhova O. E., Glukhova O. E., Kossovich E. L., Fadeev A. A. Mechanical properties study for graphene sheets of various size. Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, 2012, vol. 12, iss. 4, pp. 63-66. DOI: 10.18500/1816-9791-2012-12-4-63-66

This is an open access article distributed under the terms of Creative Commons Attribution 4.0 International License (CC-BY 4.0).
Published online: 
15.11.2012
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Language: 
Russian
Heading: 
Mechanics
UDC: 
539.32
DOI: 
10.18500/1816-9791-2012-12-4-63-66

Mechanical properties study for graphene sheets of various size

Autors: 
Glukhova Ol'ga Evgen'evna, Saratov State University
Glukhova Ol'ga Evgen'evna, Saratov State University
Kossovich Elena Leonidovna, Saratov State University
Fadeev Aleksandr Andreevich, Saratov State University
Abstract: 

We studied mechanical properties of large graphene sheets. The Young's modulus was found for each of the considered nanoparticles and sheets. To this end, the deformation was applied in two orthogonal directions – zigzag and armchair directions of the graphene atomic framework. It was established that there exist a size effect on the Young's modulus of graphene. Also, it was found that themechanical properties of graphene become close to isotropic ones when the linear dimensions of the latter are large enough for it to be considered as a macro-particle. Also, under these conditions, the Young's modulus becomes close to 1.1 TPa. 

Key words: 
Young's modulus
Harrison's quantium-chemical method
isotropy
orthotropy
atomic framework
zigzag direction
armchair direction
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