ScIr2
ceramic· ScIr2
ScIr2 is an intermetallic ceramic compound combining scandium and iridium, belonging to the family of refractory intermetallics. This material is primarily of research and development interest rather than established in high-volume production, with potential applications in extreme-temperature environments where conventional ceramics or superalloys reach their limits. The Ir-rich composition suggests interest in combining iridium's excellent oxidation resistance and thermal stability with scandium's lighter-weight contribution, making it notable for exploration in aerospace and high-temperature structural applications where both stiffness and thermal durability are critical.
High-temperature structural applicationsAerospace engine components (research phase)Refractory intermetallic coatingsExtreme-environment materials developmentThermal barrier or oxidation-resistant systems
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 220.0 | GPa | — | ||
| ↳ | 220.0 | GPa | — | ||
| ↳ | 222.3 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.3358 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.3022 | - | — | ||
| ↳ | 0.3100 | - | — | ||
Shear Modulus(G)3 entries | 100.3 | GPa | — | ||
| ↳ | 100.3 | GPa | — | ||
| ↳ | 101.3 | GPa | — |
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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 14.05 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 14.28 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.05820 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.6871 | eV/atom | — | ||
| ↳ | -0.7853 | eV/atom | — |
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.