BeFe₂Si₂ is an intermetallic compound combining beryllium, iron, and silicon—a rare combination that produces a metal with unusual elastic properties and low density. This material exists primarily in research and development contexts rather than established industrial production, with interest driven by potential applications requiring lightweight structures with high stiffness. Engineers would consider this compound for advanced aerospace or defense applications where the combination of low density with high elastic modulus could enable weight reduction, though availability, cost, and beryllium handling regulations are significant practical constraints.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 157.1 | GPa | — | ||
Poisson's Ratio(ν) | 0.4700 | - | — | ||
Shear Modulus(G) | 49.85 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.786 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 1.031 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.4564 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.1072 | eV/atom | — |