YAl8Fe4 is an intermetallic compound combining yttrium, aluminum, and iron—a material class valued for combining light weight with high stiffness and thermal stability. This compound is primarily of research and specialized industrial interest, used in applications requiring excellent rigidity-to-weight ratios and resistance to thermal cycling, such as aerospace structural reinforcement, high-temperature tooling, and advanced composite matrices. Engineers select YAl8Fe4-based materials when conventional aluminum alloys lack sufficient stiffness or thermal performance, though availability and cost typically limit adoption to demanding applications where performance justifies the premium.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 124.7 | GPa | — | ||
Poisson's Ratio(ν) | 0.2400 | - | — | ||
Shear Modulus(G) | 77.83 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.602 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 5.170 | µB | — | ||
Seebeck Coefficient(S) | -1.087 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4476 | eV/atom | — |