Experimental Research on the Repeated Impacts Behavior of Aluminum Corrugated-Core Sandwich Structures

Table 1

Mechanical properties of aluminum alloy 2A12 T4.

Property	Symbol	Value
		2A12 T4 0.5 mm	2A12 T4 2 mm
Density (kg/m³)		2700	2700
Tensile modulus (GPa)		68	68
Poisson’s ratio		0.33	0.33
Yield strength (MPa)		304	349
Tensile strength (MPa)		440	480
Fracture strain		0.12	0.3