HfAlAu2

metal
· HfAlAu2

HfAlAu2 is an intermetallic compound combining hafnium, aluminum, and gold in a defined stoichiometric ratio, belonging to the family of high-temperature metallic compounds. This material is primarily of research and development interest rather than established production use, with potential applications in aerospace and high-temperature structural applications where the combined properties of refractory hafnium and gold's stability could provide advantages in extreme environments. The material's notable characteristics stem from its intermetallic nature—offering potential for high stiffness and thermal stability—making it a candidate for advanced applications where conventional superalloys or refractory metals may fall short, though practical manufacturing and cost considerations currently limit widespread industrial adoption.

aerospace researchhigh-temperature structural applicationsrefractory materials developmentintermetallic compound researchthermal barrier applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Poisson's Ratio(ν)
-
Shear Modulus(G)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)2 entries
eV/atom
eV/atom
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
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.