TaBe2

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
PropertyValueUnitConditionsSource
Bulk Modulus(K)3 entries
167.6
GPa
167.6
GPa
167.5
GPa
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
0.02406
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
Pa
Poisson's Ratio(ν)2 entries
0.2153
-
0.2200
-
Shear Modulus(G)3 entries
117.8
GPa
117.8
GPa
113.2
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
PropertyValueUnitConditionsSource
Density(ρ)
9.539
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
0.000
eV
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
31.99
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
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.08780
eV/atom
Formation Energy(ΔHf)
-0.1701
eV/atom
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.