Hf4 Cu4 Si4

metal

· Hf4 Cu4 Si4

Hf₄Cu₄Si₄ is an intermetallic compound combining hafnium, copper, and silicon in equiatomic proportions, belonging to the family of refractory metal intermetallics. This material is primarily of research interest rather than established industrial production, as it combines the high-temperature stability of hafnium-based systems with potential strengthening from copper and silicon additions. The hafnium-copper-silicon system is explored for advanced applications requiring thermal stability and wear resistance, though engineering adoption remains limited pending further characterization and process development.

Research and developmentHigh-temperature structural applicationsRefractory intermetallic systemsWear-resistant coatingsPhase diagram explorationPotential aerospace applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5460	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.

Hf4 Cu4 Si4

Other Properties

Regulatory Screening

Environmental

Export Control