U3Si — Properties & Data | MatWorld

U3Si

Name: U3Si
Brand: MatWorld

ceramic

· U3Si

U3Si is an intermetallic ceramic compound combining uranium and silicon, belonging to the family of uranium silicides used primarily in nuclear fuel applications. This material is valued in the nuclear industry for its high uranium density and thermal conductivity, making it a candidate for advanced reactor fuel designs where improved performance and safety margins are sought compared to conventional uranium dioxide. U3Si represents research-level development rather than widespread commercial use, with potential applications in next-generation civilian and research reactors where enhanced fuel performance characteristics are critical.

nuclear reactor fueladvanced fuel formshigh-density fuelresearch reactorsuranium-based ceramicsthermal management in nuclear systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	20,435.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	11,713.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5693	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.05350	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.2228	eV/atom	DFT · OptB88vdW
↳	-0.3490	eV/atom	Measured

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

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.

U3Si

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental