Alloy

Density (g/cc)

Process

Phase

NbTiVTa

11.49

Arc melting

BCC

Al_26.6Nb_23.8Ti_25.1V_24.5

5.59

Casting

BCC

Al₂₀Be₂₀Fe₁₀Si₁₅Ti₃₅

3.91

Casting

3 phases

Mg₄₃(MnAlZnCu)₅₇

2.51

Induction melting

HCP + Al-Mn

icosahedral

Quasi-crystal

Al₂₀Li₂₀Mg₁₀Sc₂₀Ti₃₀

2.67

MA

FCC