Experimental and Modeling Studies of Stress Wave Propagation and Energy Dissipation Mechanism in Layered Composite Structures

Table 2

MAT_JOHNSON_COOK [22] constants for TC4.

Constants	TC4
Density (g/cm^3)	4.45
Shear modulus, G (GPa)	41.9
Static yield strength, A (GPa)	1.0
Strain hardening coefficient, B (GPa)	0.845
Strain hardening exponent, n	0.58
Strain rate coefficient, C	0.014
Reference strain rate, (s^−1)	1.0
Thermal softening exponent, m	0.753
Reference temperature, t0 (K)	298
Melting temperature, tm (K)	1951
Damage constant, D1	0.05
Damage constant, D2	0.27
Damage constant, D3	−0.48
Damage constant, D4	0.014
Damage constant, D5	3.8