VIr3
metal· VIr3
VIr3 is an intermetallic compound in the vanadium-iridium system, combining a refractory transition metal (vanadium) with the noble metal iridium to create a dense metallic phase with high stiffness. This material family is primarily of research and developmental interest, studied for applications requiring extreme hardness, chemical resistance, and thermal stability in combination with metallic properties.
high-temperature structural applicationswear-resistant coatingscatalytic systemsaerospace/defense researchrefractory intermetallicscorrosion-resistant components
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 319.7 | GPa | — | ||
| ↳ | 319.7 | GPa | — | ||
| ↳ | 322.4 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.2913 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.2254 | - | — | ||
| ↳ | 0.2300 | - | — | ||
Shear Modulus(G)3 entries | 214.9 | GPa | — | ||
| ↳ | 214.9 | GPa | — | ||
| ↳ | 216.2 | 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) | 18.37 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | — | ||
| ↳ | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -3.370 | µV/K | — |
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 | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01760 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4876 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.