Be2C
ceramic· Be2C
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.
aerospace structural componentshigh-temperature thermal managementlightweight ceramic compositesresearch and development materialsdefense applicationsspecialized nuclear environments
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 201.1 | GPa | — | ||
| ↳ | 204.8 | GPa | — | ||
Poisson's Ratio(ν) | 0.09000 | - | — | ||
Shear Modulus(G)2 entries | 231.0 | GPa | — | ||
| ↳ | 234.6 | GPa | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.454 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| 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 | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| 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 | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.