Sm5Si3

ceramic

· Sm5Si3

Sm₅Si₃ is an intermetallic ceramic compound belonging to the rare-earth silicide family, combining samarium (a lanthanide) with silicon in a defined stoichiometric ratio. This material is primarily of research and development interest for high-temperature structural applications, where its thermal stability and potential oxidation resistance are being evaluated as alternatives to conventional superalloys and refractory ceramics in extreme environments.

high-temperature structural applicationsaerospace propulsion researchrefractory coatings and compositesoxidation-resistant intermetallicsexperimental materials developmentthermal barrier systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6954	eV/atom	—

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

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.

Sm5Si3

Other Properties

Regulatory Screening

Environmental