Hf5CuSb3

metal
· JVASP-117309· Hf5CuSb3

Hf5CuSb3 is a hafnium-copper-antimony intermetallic compound, representing a rare-earth transition metal system with potential for high-temperature applications. This material exists primarily in the research domain rather than as an established commercial alloy; it belongs to the family of refractory intermetallics that combine hafnium's high melting point and corrosion resistance with copper and antimony for phase stability and mechanical property tuning. Engineers would consider this compound for exploratory development in extreme-environment systems where conventional superalloys reach their limits, though manufacturing, reproducibility, and property characterization remain active research areas.

high-temperature structural researchrefractory intermetallic developmentaerospace propulsion conceptsthermal barrier studiesphase diagram explorationexperimental material systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.