Tb5Si3
ceramic· Tb5Si3
Tb5Si3 is an intermetallic ceramic compound combining terbium and silicon, belonging to the rare-earth silicide family. This material is primarily of research and developmental interest for high-temperature structural applications where its combination of ceramic hardness and intermetallic properties offers potential advantages over conventional refractory ceramics. It is considered in aerospace and advanced thermal-barrier contexts where rare-earth silicides show promise for extreme-temperature environments, though industrial adoption remains limited compared to established alternatives like yttria-stabilized zirconia or molybdenum disilicide.
high-temperature structural ceramicsaerospace turbine componentsthermal barrier coatings (research)refractory applicationsrare-earth intermetallics (advanced research)
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 10,951.8 | ksi | — | ||
Poisson's Ratio(ν) | 0.2200 | - | — | ||
Shear Modulus(G) | 7,473.8 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2649 | 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) | -42.80 | 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 | -0.6322 | eV/atom | — | ||
| ↳ | -0.6729 | 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
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.