Be2C — Properties & Data | MatWorld

Be2C

Name: Be2C
Brand: MatWorld

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

Units:

si imperial

Filter by

Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	201.1	GPa	DFT
↳	204.8	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.09000	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	231.0	GPa	DFT
↳	234.6	GPa	DFT · OptB88vdW

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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	2.454	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.547	eV	DFT · OptB88vdW
↳	1.678	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	15.42	-	DFT · OptB88vdW
↳	14.92	-	DFT · PBE
↳	10.80 range 7.040–14.57median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.059	-	DFT · OptB88vdW
↳	6.498	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	29.56	%	DFT · TBmBJ

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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.05730	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.3424	eV/atom	DFT · OptB88vdW
↳	-0.3137	eV/atom	Measured

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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Be2C

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental