YB4
ceramic· YB4
YB4 is a ceramic compound in the boride family, likely yttrium tetraboride or a related rare-earth boride phase. This material represents a class of high-performance ceramics developed for extreme environments where thermal stability, hardness, and chemical resistance are critical. Boride ceramics like YB4 are explored for aerospace, wear protection, and high-temperature structural applications, though such rare-earth boride compositions remain primarily in research and specialized industrial use rather than commodity production.
High-temperature structural ceramicsWear-resistant coatingsAerospace componentsRefractory applicationsResearch and development materialsHardening phases for composites
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.323 | kg/m³ | — |
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) | -9.790 | 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 | -0.5421 | eV/atom | — | ||
| ↳ | -0.6300 | 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.