Fe3Si
metal· Fe3Si
Fe3Si is an iron-silicon intermetallic compound that belongs to the family of transition metal silicides. This material is primarily of research and development interest for applications requiring high-temperature strength and oxidation resistance, particularly in aerospace and power generation sectors where conventional iron alloys reach their performance limits. Fe3Si exhibits notable elastic properties with high stiffness, making it a candidate for advanced structural applications, though its brittleness and processing challenges have limited widespread commercial adoption compared to nickel-based superalloys.
high-temperature structural componentsaerospace engine applicationsoxidation-resistant coatingsintermetallic research materialswear-resistant wear surfacesadvanced alloy development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 211.9 | GPa | — | ||
| ↳ | 211.9 | GPa | — | ||
| ↳ | 221.9 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 1.550 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.3090 | - | — | ||
Shear Modulus(G)3 entries | 92.74 | GPa | — | ||
| ↳ | 92.74 | GPa | — | ||
| ↳ | 39.42 | 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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.417 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | — | ||
| ↳ | 0.000 | eV | — | ||
Magnetic Moment(μB) | 4.666 | µB | — | ||
Seebeck Coefficient(S) | -2.370 | µV/K | — |
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 | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.08730 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1782 | 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.