PrB4
ceramic· PrB4
PrB₄ is a rare-earth boride ceramic compound combining praseodymium with boron in a refractory ceramic matrix. This material belongs to the rare-earth boride family, which is primarily explored in research and advanced materials development for extreme-temperature applications where conventional ceramics and metallic systems reach their limits. PrB₄ and related rare-earth borides are investigated for ultra-high-temperature structural applications, wear-resistant coatings, and specialized nuclear or aerospace environments, though commercial adoption remains limited compared to established ceramics like alumina or silicon carbide.
ultra-high-temperature ceramicsrefractory coatingsaerospace researchwear resistance applicationsadvanced materials development
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.568 | 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 | — | ||
Seebeck Coefficient(S) | -7.953 | 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) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.5503 | eV/atom | — | ||
| ↳ | -0.5663 | 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.