Hf3(CuSi)4

metal

· Hf3(CuSi)4

Hf3(CuSi)4 is an intermetallic compound combining hafnium with copper and silicon, belonging to the family of refractory metal silicides and intermetallics. This is a research-phase material studied for its potential in high-temperature structural applications where conventional alloys lose strength; the hafnium base provides oxidation resistance while the copper-silicon phase combination may offer tailored mechanical properties. Interest in this compound stems from the broader family of refractory intermetallics used in aerospace and ultra-high-temperature environments, though industrial adoption remains limited and material development is primarily in the academic and advanced materials research sphere.

high-temperature structural materialsrefractory applicationsaerospace researchadvanced intermetallics developmentthermal protection systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	153.5	GPa	—
Shear Modulus(G)	82.87	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	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.

Hf3(CuSi)4

Mechanical Properties

Electrical Properties

Regulatory Screening

Environmental

Export Control