Abstract
Multilayer graphene is an exceptional anisotropic material due to its layered structure composed of two-dimensional carbon lattices. Although the intrinsic mechanical properties of graphene have been investigated at quasi-static conditions, its behavior under extreme dynamic conditions has not yet been studied. We report the high–strain-rate behavior of multilayer graphene over a range of thicknesses from 10 to 100 nanometers by using miniaturized ballistic tests. Tensile stretching of the membrane into a cone shape is followed by initiation of radial cracks that approximately follow crystallographic directions and extend outward well beyond the impact area. The specific penetration energy for multilayer graphene is ~10 times more than literature values for macroscopic steel sheets at 600 meters per second.
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Dates
Type | When |
---|---|
Created | 10 years, 9 months ago (Nov. 28, 2014, 9:42 a.m.) |
Deposited | 1 year, 7 months ago (Jan. 10, 2024, 4:11 p.m.) |
Indexed | 54 minutes ago (Sept. 6, 2025, 11:38 a.m.) |
Issued | 10 years, 9 months ago (Nov. 28, 2014) |
Published | 10 years, 9 months ago (Nov. 28, 2014) |
Published Print | 10 years, 9 months ago (Nov. 28, 2014) |
@article{Lee_2014, title={Dynamic mechanical behavior of multilayer graphene via supersonic projectile penetration}, volume={346}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1258544}, DOI={10.1126/science.1258544}, number={6213}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Lee, Jae-Hwang and Loya, Phillip E. and Lou, Jun and Thomas, Edwin L.}, year={2014}, month=nov, pages={1092–1096} }