ScTaBe2

ceramic

· JVASP-70911· ScTaBe2

ScTaBe₂ is an experimental ceramic compound in the rare-earth transition metal boride family, combining scandium, tantalum, and beryllium. While not yet commercialized, this material is of research interest for ultra-high-temperature and high-stiffness applications due to the combination of refractory elements and the inherent strength of boride ceramics. Engineers would consider this compound primarily in specialized aerospace or materials research contexts where extreme thermal stability and mechanical rigidity are required, though its development status and limited industrial availability make it a candidate for emerging technologies rather than established production applications.

high-temperature ceramic researchaerospace materials developmentrefractory applicationsultra-stiff structural compositesmaterials science experimentationadvanced defense systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	18,244.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	9,133	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2595	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.1893	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.00418	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.

ScTaBe2 — Properties & Data | MatWorld

ScTaBe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental