Be2C is a beryllium carbide ceramic compound that combines beryllium metal with carbon in a hard ceramic matrix. It is primarily investigated in advanced materials research for aerospace and defense applications where its combination of low density, high stiffness, and thermal stability are valued, though it sees limited commercial production due to beryllium toxicity concerns and manufacturing complexity. Engineers consider Be2C for weight-critical structural and thermal applications where alternatives like silicon carbide or alumina cannot meet simultaneous demands for low density and high modulus.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 29,165.4 | ksi | — | ||
| ↳ | 29,703.7 | ksi | — | ||
Poisson's Ratio(ν) | 0.09000 | - | — | ||
Shear Modulus(G)2 entries | 33,497.1 | ksi | — | ||
| ↳ | 34,025.9 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.08866 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.492 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 14.92 | - | — | ||
| ↳ | 15.42 | - | — | ||
| ↳ | 10.80 range 7.040–14.57median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -164.1 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.05730 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.3137 | eV/atom | — | ||
| ↳ | -0.3424 | eV/atom | — |