Y5Si3

ceramic
· Y5Si3

Y5Si3 is a rare-earth silicide ceramic compound belonging to the family of refractory materials used in high-temperature structural applications. This material is primarily of research and development interest for aerospace and thermal management applications where extreme temperature stability and oxidation resistance are critical. Its use remains largely experimental or specialized, with potential applications in next-generation engine components and thermal barrier systems where conventional ceramics reach their performance limits.

High-temperature structural componentsAerospace engine applicationsThermal barrier coatingsOxidation-resistant materialsResearch and developmentRefractory composites

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
4.448
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-47.96
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)3 entries
-0.8333
eV/atom
-0.7465
eV/atom
-0.7882
range -0.8333–-0.7431median of 2 measurements
eV/atom
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.
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.