Mechanics of Solids (about journal) Mechanics of Solids
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IssuesArchive of Issues2020-1pp.69-76

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Total articles in the database: 4725
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A.L. Kolesnikova, M.A. Rozhkov, and A.E. Romanov, "On Fracture of Pseudo-Graphenes," Mech. Solids. 55 (1), 69-76 (2020)
Year 2020 Volume 55 Number 1 Pages 69-76
DOI 10.3103/S0025654420010124
Title On Fracture of Pseudo-Graphenes
Author(s) A.L. Kolesnikova (ITMO University, St. Petersburg, 197101 Russia; Institute of Problems of Mechanical Engineering, St. Petersburg, 199178 Russia)
M.A. Rozhkov (ITMO University, St. Petersburg, 197101 Russia)
A.E. Romanov (ITMO University, St. Petersburg, 197101 Russia; Ioffe Institute, St. Petersburg, 194021 Russia, alexey.romanov@niuitmo.ru)
Abstract Molecular dynamics is used to study the fracture of pseudo-graphenes, namely, allotropic forms of carbon that are modifications of graphene with a high density of periodically distributed disclinations with zero total charge. Disclinations in pseudo-graphenes are associated with improper carbon rings, that is, rings having 4, 5, 7, or 8 members, in contrast to the proper 6-member carbon rings constituting the ideal crystal lattice of graphene. Pseudo-graphenes, which have a significant excess of energy relative to graphene, show a significant (up to 50%) decrease in the critical tensile stress compared to defect-free graphene.
Keywords pseudo-graphene, graphene, fracture, disclination, proper and improper carbon ring, molecular dynamics
Received 08 September 2019Revised 15 September 2019Accepted 18 September 2019
Link to Fulltext https://link.springer.com/article/10.3103/S0025654420010124
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