ErHfRu2 is an intermetallic ceramic compound combining erbium, hafnium, and ruthenium, belonging to the family of refractory intermetallics. This material is primarily of research and development interest rather than established commercial use, investigated for ultra-high-temperature applications where conventional superalloys and ceramics reach their performance limits. The combination of rare-earth (erbium), refractory (hafnium), and transition-metal (ruthenium) elements suggests potential for thermal stability, oxidation resistance, and structural retention at extreme temperatures, making it relevant for aerospace propulsion systems, advanced thermal protection, and energy applications where lightweight refractory performance is critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 133.5 | GPa | — | ||
Poisson's Ratio(ν) | 0.3600 | - | — | ||
Shear Modulus(G) | 41.92 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 12.75 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6464 | eV/atom | — |