U3 Si1

semiconductor

· U3 Si1

U3Si is a uranium silicide intermetallic compound belonging to the ceramic/refractory materials class, characterized by a body-centered cubic crystal structure. This material is primarily investigated for nuclear fuel applications and high-temperature structural uses, where its thermal stability and resistance to oxidation at elevated temperatures offer advantages over conventional uranium alloys. U3Si represents an important research focus in nuclear materials science due to its potential for improved performance in advanced reactor designs and its relevance to the broader family of uranium-based metallic fuels.

nuclear fuel developmenthigh-temperature structural materialsrefractory compoundsadvanced reactor materialsresearch applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	140.9	GPa	—
Shear Modulus(G)	80.76	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00110	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2050	eV/atom	—

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

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.

U3 Si1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control