UB₄ is a boride ceramic compound belonging to the ultra-high hardness ceramic family, characterized by strong covalent bonding and high density. It is primarily investigated in research and specialized industrial contexts for applications requiring extreme hardness, wear resistance, and thermal stability at elevated temperatures. Engineers consider UB₄ for demanding applications where conventional ceramics or hardened steels fall short, though material availability and cost typically restrict it to critical wear surfaces and specialized cutting/grinding tools rather than general-purpose engineering.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 31,489.1 | ksi | — | ||
Poisson's Ratio(ν) | 0.1500 | - | — | ||
Shear Modulus(G) | 29,110.5 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3419 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 5.325 | µB | — | ||
Seebeck Coefficient(S) | 33.55 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.5091 | eV/atom | — | ||
| ↳ | -0.4949 | eV/atom | — |