Ta2Be — Properties & Data | MatWorld

Ta2Be

ceramic

· Ta2Be

Ta₂Be is an intermetallic ceramic compound combining tantalum and beryllium, belonging to the family of refractory metal beryllides. This material is primarily of research and specialized interest rather than established production use, explored for ultra-high-temperature structural applications where extreme stiffness and thermal stability are required. Engineers would consider Ta₂Be in advanced aerospace, nuclear, or defense contexts where the combination of beryllium's low density with tantalum's refractory properties offers potential advantages over conventional superalloys or monolithic ceramics, though processing challenges and beryllium toxicity concerns typically limit practical deployment.

high-temperature aerospace structuresrefractory intermetallic researchnuclear reactor componentsultra-high-strength structural applicationsadvanced materials development

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	186.8	GPa	DFT
↳	186.8	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.1157	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)	0.2415	-	DFT · PBE
Shear Modulus(G)2 entries	116.7	GPa	DFT
↳	116.7	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)	13.85	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)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00316	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00320	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	34.29	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	34.19	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)	-0.1438	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.

Ta2Be

Mechanical Properties

Physical Properties

Electrical Properties

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Regulatory Screening

Environmental