USi2Ir2 — Properties & Data | MatWorld

USi2Ir2

ceramic

· JVASP-23845· USi2Ir2

USi₂Ir₂ is an intermetallic ceramic compound combining uranium, silicon, and iridium elements, representing a research-phase material rather than a mature commercial product. This material belongs to the family of high-density refractory intermetallics, which are typically explored for extreme-environment applications where conventional ceramics or metals become unstable. The combination of uranium and iridium (both high atomic-weight elements) suggests potential applications in nuclear fuel systems, radiation shielding, or high-temperature structural components, though current literature on this specific compound is limited and it remains primarily within the materials science research domain.

Nuclear fuel systems (research)Radiation shielding (experimental)High-temperature refractory applicationsIntermetallic compound researchAerospace thermal protection (potential)Materials research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	28,394	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	15,368.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4873	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	2.076	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00159	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00168	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	58.22	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	59.43	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7363	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.

USi2Ir2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental