Y2Si4Mo3
metal· Y2Si4Mo3
Y2Si4Mo3 is a refractory intermetallic compound combining yttrium, silicon, and molybdenum—part of an emerging class of high-temperature structural materials designed for extreme thermal environments. This material is primarily of research and development interest rather than established industrial production, positioned for potential use in aerospace and thermal protection applications where conventional superalloys reach their performance limits. Its appeal lies in combining ceramic-like thermal stability with metallic properties, though engineering adoption remains limited pending further development of manufacturing processes and long-term reliability data.
high-temperature aerospace componentsrefractory intermetallics researchthermal barrier materialsextreme environment engineeringnext-generation propulsion systems
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 22,640.8 | ksi | — | ||
| ↳ | 22,640.8 | ksi | — | ||
| ↳ | 22,203.8 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.08423 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2394 | - | — | ||
| ↳ | 0.2400 | - | — | ||
Shear Modulus(G)3 entries | 14,281.8 | ksi | — | ||
| ↳ | 14,281.8 | ksi | — | ||
| ↳ | 13,899 | ksi | — |
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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2258 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -0.2433 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6224 | 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.