HfCuSi
metal· HfCuSi
HfCuSi is a ternary intermetallic compound combining hafnium, copper, and silicon—a class of materials known for high hardness and thermal stability. While this specific composition is not widely established in commercial production, it belongs to the refractory metal alloy family being explored for high-temperature structural applications where conventional superalloys reach their limits. The hafnium-copper-silicon system is primarily of research interest, with potential relevance to aerospace propulsion, nuclear reactor components, and other extreme-environment engineering where lightweight, thermally stable intermetallics could replace heavier nickel-based superalloys.
High-temperature structural applicationsAerospace research componentsNuclear reactor materialsIntermetallic compound researchExperimental refractory alloys
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | 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.