Research Article
Simulation and Experimental Tests of Ballistic Impact on Composite Laminate Armor
Table 3
Material modeling of bullet core lead [
12].
| Lead shock EOS linear | Gruneisen coefficient | Parameter C1 (m·s−1) | Parameter S1 | Parameter quadratic S2 (s·m−1) |
| 2.74 | 2006 | 1.429 | 0 |
| Constant and response | Density (kg·m−3) | Specific heat constant pressure J (kg−1·C−1) | Shear modulus (Pa) |
| 11340 | 124 | 8.6e + 009 |
| Steinberg Guinan strength | Initial yield stress Y (Pa) | Maximum yield stress Ymax (Pa) | Hardening constant B | Hardening exponent n | Derivative (dG/dP G’P) | Derivative dG/dT G’T Pa·C−1 |
| 8e + 006 | 1e + 008 | 110 | 0.52 | 1 | −9.976e + 006 |
| Derivative (dY/dP Y'P) | Melting temperature Tmelt (C°) |
| 9.304e − 004 | 486.85 |
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