Be2W — Properties & Data | MatWorld

Be2W

Name: Be2W
Brand: MatWorld

metal

· Be2W

Be₂W is an intermetallic compound combining beryllium and tungsten, representing a high-performance metallic material from the refractory intermetallic family. This material is primarily of research and advanced engineering interest rather than broad commercial use, valued for applications requiring exceptional stiffness combined with relatively low density. Be₂W is explored in aerospace and defense contexts where weight reduction, thermal stability, and structural rigidity are critical competing demands, though its brittleness and manufacturing challenges limit wider industrial adoption compared to titanium or nickel-based superalloys.

aerospace structuresrefractory applicationshigh-stiffness compositesresearch materialsthermal management systemsdefense engineering

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Filter by

Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	218.0	GPa	DFT
↳	218.0	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.00575	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)	0.1911	-	DFT · PBE
Shear Modulus(G)2 entries	169.6	GPa	DFT
↳	169.6	GPa	DFT · PBE

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)	10.63	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	Measured
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00180	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00199	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	29.00	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	29.71	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2833	eV/atom	DFT · OptB88vdW

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

Export Control

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.

Be2W

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control