Si3Pt2

metal
· Si3Pt2

Si3Pt2 is an intermetallic compound combining silicon and platinum, belonging to the family of refractory metal silicides with high melting points and stiffness. This material is primarily investigated in research and specialized aerospace contexts for high-temperature structural applications, where its exceptional rigidity and thermal stability offer advantages over conventional superalloys, though production costs and brittleness limit broader industrial adoption. Engineers consider Si3Pt2 when extremely demanding thermal and mechanical performance justifies premium material costs, particularly in next-generation engine components and hypersonic vehicle structures.

High-temperature aerospace structuresTurbine engine componentsRefractory intermetallics researchHypersonic vehicle applicationsThermal barrier systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
160.9
GPa
160.9
GPa
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
9.395
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
Pa
Poisson's Ratio(ν)
0.4276
-
Shear Modulus(G)2 entries
24.47
GPa
24.47
GPa
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)
9.554
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.03700
eV/atom
Formation Energy(ΔHf)
-0.4314
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.