HfSi2Ir2
ceramic· JVASP-156034· HfSi2Ir2
HfSi₂Ir₂ is a ternary intermetallic ceramic compound combining hafnium, silicon, and iridium. This material belongs to the family of refractory metal silicides and represents a research-phase composition investigated for ultra-high-temperature structural applications where exceptional thermal stability and oxidation resistance are critical. While not yet widely adopted in production, materials in this class are pursued for aerospace propulsion systems, advanced thermal protection, and extreme-environment components where conventional superalloys reach their limits.
refractory compositeshypersonic vehicle structureshigh-temperature coatingsaerospace propulsion researchthermal protection systemsexperimental ultra-high-temperature applications
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| 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 | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
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
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.