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Table 1
Fraction of sp3-hybridized atoms, sp3, mass density ρ, average coordination Z, Young’s modulus E, specific surface energy γ, velocity of sound cs, and collision pressure p for a v = 600 m s−1 collision (Eq. (4)) for the simulated a-C samples.
| sp3 | ρ | ⟨Z⟩ | E | γ | cs | p |
|---|---|---|---|---|---|---|
| (%) | (g cm−3) | (GPa) | (J m−2) | (km s−1) | (GPa) | |
| 20 | 2.15 | 2.94 | 195.4 | 1.78 | 9.53 | 12.3 |
| 30 | 2.46 | 3.20 | 304.6 | 2.00 | 11.13 | 16.4 |
| 40 | 2.71 | 3.38 | 396.1 | 2.16 | 12.09 | 19.7 |
| 55 | 3.07 | 3.53 | 561.2 | 2.44 | 13.52 | 24.9 |
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