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:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	13.74	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)	0.08810	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.

Hf3AlAu2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control