From: Effect of projectile shape and interior structure on crater size in strength regime
Copper | Aluminum | |
---|---|---|
EOS model | Tillotson EOSa | Tillotson EOSa |
Poisson’s ratio | 0.34b | 0.33c |
Melting temperature (K) | 1,356d | 978e |
Simon parameter a (GPa) | 49.228d | 7.98e |
Simon parameter c | 1.027d | 0.57e |
Specific heat (J/K/kg) | 392.5f | 896f |
Johnson–Cook parameter A (MPa) | 90 g | 244 h |
Johnson–Cook parameter B (MPa) | 292 g | 488 h |
Johnson–Cook parameter N | 0.31 g | 0.5 h |
Johnson–Cook parameter C | 0.025 g | 0.0 h |
Johnson–Cook parameter m | 1.09 g | 3 h |
Reference temperature (K) | 293 | 293 |