Table 5: Values of the constants used in the modified model.

SymbolPropertyValue

Ceramic density (g/cm³)Composition B
3.9
Composition C
3.8
Ceramic elastic modulus (GPa)300
Ceramic thickness (mm)  11.3  9.3     7.3
Resistance against penetration on ceramic (GPa)Composition B
4.43
Composition C
3.60
Metal density (g/cm³)7.77
Metal elastic modulus (GPa)193
and Metal thickness (mm)15
Metal strength (MPa)935
Metal hardening exponent0.29
k modMetal modified deflection profile constant (m−1)0.0018
Projectile dynamic yielding (GPa)2.82
Projectile density (g/cm³)8.41