Co2Si
metal· Co2Si
Co₂Si is an intermetallic compound in the cobalt-silicon system, representing a hard ceramic-like material with metallic bonding characteristics. It is primarily investigated in materials research for high-temperature structural applications and wear-resistant coatings, where its stiffness and density make it relevant to aerospace and engine component development. While not yet widely deployed in mainstream production, cobalt silicides are of continued interest as candidates for thermal barrier coatings, cutting tools, and high-temperature structural reinforcement where conventional alloys reach their limits.
high-temperature coatingswear-resistant applicationsaerospace researchcutting tool insertsthermal barrier systemsintermetallic research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 225.3 | GPa | — | ||
| ↳ | 225.3 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1262 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.2947 | - | — | ||
Shear Modulus(G)2 entries | 107.2 | GPa | — | ||
| ↳ | 107.2 | 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) | 7.540 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Seebeck Coefficient(S) | -19.01 | 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)2 entries | -0.3928 | eV/atom | — | ||
| ↳ | -0.3856 | 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
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.