HoSiIr
ceramic· JVASP-23746· HoSiIr
HoSiIr is a ternary intermetallic ceramic compound combining holmium, silicon, and iridium—a rare composition that represents an experimental advanced ceramic with potential for ultra-high-temperature and demanding structural applications. This material family bridges rare-earth metallics and refractory ceramics, making it relevant where extreme thermal stability, chemical inertness, and mechanical integrity under severe conditions are required. While not yet widely deployed in production, HoSiIr-type compounds are of research interest for aerospace propulsion systems, nuclear environments, and specialized high-performance applications where conventional superalloys and ceramics reach their limits.
high-temperature structural materialsaerospace engine componentsnuclear reactor materialsrefractory ceramics researchextreme environment applicationsadvanced intermetallic compounds
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Poisson's Ratio(ν) | — | - | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | — | — |
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
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.