Si3W
metal· JVASP-39086· Si3W
Si3W is a metal-based intermetallic compound combining silicon and tungsten. This material is primarily of research and developmental interest rather than a widely established commercial alloy, positioned within the family of refractory intermetallics that aim to combine the hardness and thermal stability of tungsten with silicon's lighter-element contributions. Industrial adoption remains limited, but such Si-W compounds are being explored for high-temperature structural applications and wear-resistant coatings where conventional superalloys reach their performance limits.
high-temperature coatingsrefractory intermetallicswear-resistant componentsresearch materialsthermal barrier applications
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2723 | 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) | 1.970 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.5868 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.4183 | 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.