Hf3Si4Cu4

metal
· Hf3Si4Cu4

Hf3Si4Cu4 is an intermetallic compound combining hafnium, silicon, and copper, belonging to the family of refractory metal silicides with metallic character. This material is primarily of research and developmental interest rather than established production use, explored for high-temperature structural applications where the combination of hafnium's refractory nature and copper's thermal conductivity may offer advantages in extreme environments. Engineers would consider this composition in specialized contexts requiring both elevated-temperature stability and thermal management, though industrial adoption remains limited pending further characterization and cost-benefit analysis against established alternatives like niobium silicides or tungsten-based composites.

High-temperature structural componentsRefractory applicationsResearch and developmentThermal management systemsAerospace/space propulsion (exploratory)Intermetallic matrix composites

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
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.
Hf3Si4Cu4 — Properties & Data | MatWorld