YAl8Cr4 is an experimental intermetallic compound combining yttrium, aluminum, and chromium, representing a research-phase material in the refractory metal alloy family. While not yet established in mainstream engineering production, this composition targets high-temperature applications where conventional superalloys reach their limits, with potential relevance to aerospace propulsion, thermal barriers, and extreme-environment structural components. The yttrium addition typically improves oxidation resistance and grain stability, while chromium enhances strength and corrosion protection—making this alloy family of interest to researchers developing next-generation materials for hypersonic vehicles and advanced turbomachinery, though engineering adoption requires further development and qualification.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.228 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -13.28 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01040 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2234 | eV/atom | — |