Hf4CuSi3

metal

· JVASP-107557· Hf4CuSi3

Hf4CuSi3 is a hafnium-copper-silicon intermetallic compound that belongs to the family of refractory metal silicides. This material is primarily of research and developmental interest, explored for high-temperature structural applications where its combination of hafnium's refractory properties and silicide strengthening could provide thermal stability and oxidation resistance beyond conventional superalloys.

high-temperature structural applicationsrefractory intermetallics researchaerospace propulsion (developmental)extreme-temperature environmentsoxidation-resistant coatings research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	10.38	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.03400	eV/atom	—
Formation Energy(ΔHf)	-0.6295	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.

Hf4CuSi3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control