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 coefficientParameter C1 (m·s−1)Parameter S1Parameter quadratic S2 (s·m−1)

2.7420061.4290

Constant and response
Density (kg·m−3)Specific heat constant pressure J (kg−1·C−1)Shear modulus (Pa)

113401248.6e + 009

Steinberg Guinan strength
Initial yield stress Y (Pa)Maximum yield stress Ymax (Pa)Hardening constant BHardening exponent nDerivative (dG/dP G’P)Derivative dG/dT G’T Pa·C−1

8e  + 0061e + 0081100.521−9.976e + 006

Derivative (dY/dP Y'P)Melting temperature Tmelt (C°)

9.304e − 004486.85