HfZrNb2

metal

· JVASP-111048· HfZrNb2

HfZrNb2 is a refractory high-entropy or multi-principal-element alloy combining hafnium, zirconium, and niobium. This material belongs to the family of advanced refractory metals and alloys engineered for extreme-temperature applications where traditional superalloys reach their limits. The hafnium-zirconium-niobium system is primarily of research and emerging industrial interest, valued for its potential to maintain strength and oxidation resistance at very high temperatures, making it a candidate for next-generation aerospace propulsion systems, nuclear reactor components, and hypersonic vehicle structures.

High-temperature aerospace enginesRocket nozzles and combustion chambersNuclear reactor materialsHypersonic vehicle structuresRefractory crucibles and furnace liningsAdvanced research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	9.338	kg/m³	—

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)	0.07300	eV/atom	—
Formation Energy(ΔHf)	0.06621	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.

HfZrNb2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control