Be₄AlFe is an intermetallic compound combining beryllium, aluminum, and iron—a quaternary metal system that bridges lightweight and structural performance characteristics. This material exists primarily in research and development contexts as an experimental alloy, where the beryllium component offers exceptional stiffness and low density, while iron and aluminum provide stability and processability. Its potential applications lie in aerospace, defense, and high-performance structural systems where weight reduction and rigidity are critical, though commercial adoption remains limited due to beryllium toxicity concerns, manufacturing complexity, and cost.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 149.4 | GPa | — | ||
Poisson's Ratio(ν) | 0.1900 | - | — | ||
Shear Modulus(G) | 115.9 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.660 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.6280 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2405 | eV/atom | — |