Journal
RSC ADVANCES
Volume 10, Issue 3, Pages 1697-1703Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ra09685j
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Funding
- Supercomputing Center of Wuhan University
- National Natural Science Foundation of China [51727901]
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Graphyne was recently facilely synthesized with superior mechanical and electrical performance. We investigate the ballistic protection properties of alpha-, beta-, delta-, and gamma-graphyne sheets using molecular dynamics simulations in conjunction with elastic theory. The velocities of the in-plane elastic wave and out-of-plane cone wave are obtained by both membrane theory and molecular dynamics simulations. The specific penetration energies are approximately 83% that of graphene, indicating high impact resistance. gamma-Graphyne has high sound wave speeds comparable to those of graphene, and its Young's modulus is approximately 60% that of graphene. delta-Graphyne has the highest cone wave speed among the four structures, while alpha-graphyne possesses the highest penetration energy and impact resistance at most tested projectile speeds. Our results indicate that graphyne is a good protective structural material.
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