ThIr5

ceramic
· ThIr5

ThIr5 is a ceramic compound in the thorium–iridium material system, likely an intermetallic or mixed-phase ceramic combining a refractory metal (iridium) with thorium. This is primarily a research and development material, part of the ultra-high-temperature ceramic family, investigated for applications requiring exceptional thermal stability and chemical inertness at extreme temperatures. The material is notable for its high density and potential for use in demanding aerospace and nuclear contexts where conventional superalloys reach their performance limits.

Ultra-high-temperature aerospace structuresNuclear reactor componentsRefractory coatings and thermal barriersHigh-temperature crucibles and furnace liningsResearch and advanced propulsion systems

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
250.1
GPa
Poisson's Ratio(ν)
0.3200
-
Shear Modulus(G)
102.7
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
18.29
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
0.000
eV
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-1.623
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
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.4607
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.