Hf3AlAu2

metal
· JVASP-144568· Hf3AlAu2

Hf3AlAu2 is an intermetallic compound combining hafnium, aluminum, and gold, representing a specialized ternary metal system. This material belongs to the family of high-density intermetallics and is primarily of research and development interest rather than established industrial production. The hafnium-aluminum-gold system is investigated for potential applications requiring high melting points, density, and chemical stability, though practical deployment remains limited; engineers would consider this material only in specialized contexts such as aerospace thermal barriers, radiation shielding, or high-temperature structural applications where its unique phase properties offer advantages over more conventional superalloys or refractory metals.

aerospace researchradiation shieldinghigh-temperature materialsintermetallic compoundsexperimental alloysrefractory applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
0.4963
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)
0.08810
eV/atom—
Formation Energy(ΔHf)
-0.4331
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.