Ta2B — Properties & Data | MatWorld

Ta2B

ceramic

· JVASP-19601· Ta2B

Ta2B is a tantalum boride ceramic compound belonging to the refractory boride family. It combines the exceptional hardness and high-temperature stability of borides with tantalum's density and corrosion resistance, making it suitable for extreme-environment applications. While primarily investigated in research and specialized industrial contexts, tantalum borides are notable for their potential in cutting tools, wear-resistant coatings, and high-temperature structural applications where conventional ceramics or metals fall short.

refractory coatingshigh-temperature ceramicswear-resistant applicationscutting tool materialsaerospace engine componentsresearch/advanced materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5423	lb/in³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000412	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000417	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-9.947	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-9.897	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.03640	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5006	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.

Ta2B

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental