TaBe2 — Properties & Data | MatWorld

TaBe2

Name: TaBe2
Brand: MatWorld

ceramic

· TaBe2

TaBe2 is a tantalum beryllium ceramic compound belonging to the hexaboride family of refractory ceramics. This material is primarily of research and development interest, valued for its extreme hardness and high melting point, making it suitable for specialized high-temperature and wear-resistant applications. Engineers consider TaBe2 when conventional ceramics fall short in demanding environments requiring exceptional stiffness and thermal stability, though its current use remains largely experimental or limited to niche aerospace and cutting-tool applications.

refractory coatingshigh-temperature structural applicationscutting and grinding toolsaerospace engine componentswear-resistant surfacesresearch and development

Compliance & Regulations

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

Units:

si imperial

Filter by

Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	167.6	GPa	DFT
↳	167.5	GPa	DFT · OptB88vdW
↳	167.6	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.02406	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2200	-	DFT · OptB88vdW
↳	0.2153	-	DFT · PBE
Shear Modulus(G)3 entries	117.8	GPa	DFT
↳	113.2	GPa	DFT · OptB88vdW
↳	117.8	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)	9.539	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	Measured
↳	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00165	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00170	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	31.99	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	32.29	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)	0.08780	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1701	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

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.

TaBe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental