Comparative Analysis of Al-Li Alloy and Aluminum Honeycomb Panel for Aerospace Application by Structural Optimization

Table 5

Mechanical parameters of 2090 versus 2Al12.

Material grade	Density ρ [kg⋅m^−3]	Young’s modulus [MPa]	Yield strength [MPa]	/ρ [MPa⋅m^3/kg]	E/ρ [MPa⋅m^3/kg]
2090	2590	78600	530	0.2	30.3
2Al12	2780	70600	280	0.1	25.4