ThIr2 — Properties & Data | MatWorld

ThIr2

ceramic

· JVASP-19617· ThIr2

ThIr₂ is an intermetallic ceramic compound combining thorium and iridium, belonging to the family of refractory metal compounds studied for extreme-temperature structural applications. This material is primarily of research and development interest rather than established industrial production, representing exploratory work in ultra-high-temperature ceramics where thermal stability and resistance to oxidation are critical design drivers. Engineers would consider ThIr₂ and related thorium-iridium systems for next-generation aerospace and nuclear thermal environments where conventional superalloys and standard refractories reach their performance limits.

hypersonic vehicle structuresnuclear reactor componentsspace propulsion nozzlesrefractory coatingshigh-temperature research applicationsextreme-environment testing

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	17.70	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000403	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000529	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-3.550	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-4.070	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8652	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

ThIr2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental