Ca3(SiIr)4
ceramic· Ca3(SiIr)4
Ca₃(SiIr)₄ is an intermetallic ceramic compound combining calcium, silicon, and iridium in a fixed stoichiometric ratio. This is a research-phase material with no established commercial production; it belongs to the family of high-entropy and mixed-metal ceramics being explored for extreme-environment applications where conventional ceramics or superalloys reach thermal or chemical limits. The iridium content makes this a laboratory compound of interest for high-temperature stability and oxidation resistance, though practical engineering use remains limited to fundamental material science investigations.
high-temperature research applicationsextreme environment ceramicsintermetallic compound studiesoxidation-resistant coatings (experimental)thermal barrier material developmentaerospace materials research
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | — | ksi | — | — | |
| ↳ | — | ksi | — | — | |
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | — | |
Elastic Anisotropy(AU) | — | - | — | — | |
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | — | |
Poisson's Ratio(ν) | — | - | — | — | |
Shear Modulus(G)2 entries | — | ksi | — | — | |
| ↳ | — | ksi | — | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
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.