MgBe₂Co is an intermetallic compound combining magnesium, beryllium, and cobalt—a research-phase material in the broader family of lightweight, high-stiffness intermetallics. This ternary system represents an experimental approach to achieving favorable combinations of low density with significant elastic rigidity, potentially useful in weight-critical aerospace and defense applications where stiffness-to-weight ratio is paramount. However, as a non-commercial compound, processing challenges, beryllium toxicity concerns, and limited availability restrict its current use to laboratory investigations and specialized high-performance development programs rather than mainstream industrial production.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 15,838.1 | ksi | — | ||
Poisson's Ratio(ν) | 0.2200 | - | — | ||
Shear Modulus(G) | 6,607.9 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1380 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.2550 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.3882 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.1410 | eV/atom | — |