Damage Analysis of Aluminium Foam Panel Subjected to Underwater Shock Loading

Table 2

Material properties of steel4340 and steel4140.

	Young’s modulus/GPa	Poisson’s ratio	Density/kg⋅m^−3	Yield stress/MPa	Hardening coefficient/MPa	Hardening exponent
STEEL 4340	205	0.29	7850	470	470	0
STEEL 4140	205	0.29	7850	1000	1615	0.09