HoNb

metal

· JVASP-129355· HoNb

HoNb is an intermetallic compound composed of holmium and niobium, belonging to the rare-earth–refractory metal alloy family. This material is primarily of research interest for high-temperature applications and advanced metallurgical studies, where the combination of rare-earth elements with refractory metals offers potential for enhanced strength and thermal stability at extreme temperatures. Engineers consider HoNb when exploring next-generation materials for aerospace and nuclear environments where conventional superalloys approach their performance limits, though commercial adoption remains limited and material behavior is still being characterized.

High-temperature structural applicationsAerospace research and developmentNuclear reactor materialsRefractory alloy researchIntermetallic compound studiesExperimental advanced materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3406	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)	0.4656	eV/atom	—
Formation Energy(ΔHf)	0.4655	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.

HoNb

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control