USi2Ni2 — Properties & Data | MatWorld

USi2Ni2

Name: USi2Ni2
Brand: MatWorld

metal

· USi2Ni2

USi₂Ni₂ is an intermetallic compound combining uranium, silicon, and nickel, representing a specialized material from the refractory metals family with potential for high-temperature structural applications. This compound is primarily of research and development interest rather than mainstream industrial production; uranium-containing intermetallics are investigated for nuclear fuel cladding, advanced reactor materials, and specialized high-temperature alloys where density and stiffness requirements align with extreme environment tolerance. Engineers would consider this material only in contexts where nuclear applications, extreme thermal cycling, or unique density-to-stiffness ratios justify the complexity of sourcing, handling, and regulatory compliance associated with uranium-based compounds.

nuclear fuel claddingadvanced reactor materialshigh-temperature intermetallicsexperimental refractory alloysresearch compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	156.9	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	59.15	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	9.105	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
↳	0.000	eV	Measured
Magnetic Moment(μB)	1.846	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000698	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000695	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	15.34	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	15.53	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)	-0.5427	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

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.

USi2Ni2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control