Sc5Si3

ceramic
· Sc5Si3

Sc₅Si₃ is a scandium silicide ceramic compound belonging to the family of transition metal silicides, which are intermetallic ceramics known for combining metallic and ceramic properties. This material is primarily of research and development interest rather than established commercial production, with investigation focused on high-temperature structural applications where its stiffness and relatively low density could provide advantages over conventional ceramics or superalloys. Scandium silicides are studied for potential use in aerospace and energy sectors where materials must withstand extreme temperatures while maintaining structural integrity, though wider adoption is limited by processing challenges and cost considerations compared to mature alternatives like silicon carbide or alumina-based composites.

high-temperature ceramic compositesaerospace engine components (research)refractory materials developmentstructural ceramics (advanced research)lightweight structural applications (experimental)

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
Pa
Pa
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
Pa
Poisson's Ratio(ν)
-
Shear Modulus(G)2 entries
Pa
Pa
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
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)2 entries
eV/atom
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.