Tb2HfAl9

metal
· JVASP-116641· Tb2HfAl9

Tb2HfAl9 is an experimental intermetallic compound combining terbium, hafnium, and aluminum, representing research into advanced metallic systems for high-temperature and specialty applications. This material belongs to the rare-earth–refractory metal alloy family, which is primarily explored in academic and developmental contexts rather than established production. The hafnium-aluminum base combined with terbium addition targets improved high-temperature strength, oxidation resistance, or magnetic properties—characteristics relevant to aerospace propulsion and energy sectors—though the specific engineering benefits and commercial viability of this particular composition require verification against published research data.

High-temperature structural alloys (research)Aerospace engine components (developmental)Intermetallic matrix compositesRefractory metal applicationsRare-earth functional materialsAdvanced materials R&D

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
0.1983
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.01140
eV/atom—
Formation Energy(ΔHf)
-0.4307
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.
Tb2HfAl9 — Properties & Data | MatWorld