Hf4CuSi4

metal

· JVASP-89942· Hf4CuSi4

Hf4CuSi4 is an intermetallic compound combining hafnium, copper, and silicon, belonging to the family of refractory metal silicides and intermetallics. This is a research-phase material studied primarily for high-temperature structural applications where its hafnium content offers oxidation resistance and refractory properties. The material's potential lies in aerospace and thermal management contexts where conventional superalloys reach their limits, though industrial adoption remains limited and further development of processing and reproducibility is required.

high-temperature structural applicationsaerospace componentsrefractory intermetallicsmaterials researchoxidation resistanceadvanced thermal engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	9.853	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)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.6745	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.

Hf4CuSi4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control