TaBe2Nb

metal

· JVASP-71306· TaBe2Nb

TaBe₂Nb is an experimental intermetallic compound combining tantalum, beryllium, and niobium—a refractory metal system designed to explore high-temperature strength and oxidation resistance in extreme environments. This material belongs to the family of lightweight refractory alloys and is primarily a research compound, investigated for potential applications requiring both thermal stability and reduced density compared to traditional superalloys. The tantalum-beryllium-niobium system is notable for combining the high melting points of refractory metals with beryllium's lower density, though processing challenges and beryllium toxicity limit its current industrial adoption.

high-temperature structural materialsrefractory intermetallicsaerospace propulsion researchhypersonic vehicle componentsmaterials research and developmentextreme environment engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3052	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.5124	eV/atom	—
Formation Energy(ΔHf)	0.3167	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

TaBe2Nb

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control