Al2 Hf2

semiconductor

· Al2 Hf2

Al₂Hf₂ is an intermetallic compound combining aluminum and hafnium, belonging to the family of refractory metal aluminides. This material is primarily of research and developmental interest rather than established in high-volume production, with potential applications in high-temperature structural materials where extreme thermal stability and oxidation resistance are required. The hafnium-aluminum system is explored for aerospace and advanced energy applications seeking lightweight alternatives to traditional superalloys, though commercial adoption remains limited compared to established nickel-based systems.

high-temperature aerospace structuresrefractory intermetallics researchoxidation-resistant coatingsadvanced turbine applicationsthermal barrier materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	116.8	GPa	—
Shear Modulus(G)	73.53	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00170	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3950	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.

Al2 Hf2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control