HfSiIr
ceramic· JVASP-152349· HfSiIr
HfSiIr is a ternary ceramic compound combining hafnium, silicon, and iridium—a material system primarily explored in advanced materials research rather than established commercial production. This composition represents a rare-earth-transition metal silicide ceramic, investigated for ultra-high-temperature structural applications where conventional ceramics and superalloys reach their limits. The material's appeal lies in its potential for extreme temperature stability and wear resistance in aerospace and defense contexts, though it remains largely experimental; engineers would consider it only for specialized R&D programs or cutting-edge component prototyping rather than conventional industrial design.
Ultra-high-temperature aerospace applicationsExperimental/research ceramicsHypersonic vehicle componentsAdvanced turbine environmentsThermal barrier coating systemsWear-resistant cutting tools
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 | — | — | |
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.