YFe5 is an intermetallic compound in the yttrium-iron system, a rare-earth iron binary alloy notable for its high strength and magnetic properties. It is primarily used in permanent magnet applications and magnetic device engineering, where its combination of iron's magnetic character and yttrium's rare-earth contribution enables high coercivity and energy density. This material family is of significant interest in research contexts for advanced motor magnets, sensor systems, and high-temperature magnetic applications where cost and performance trade-offs favor this composition over heavier rare-earth alternatives like Nd-Fe-B.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 15,194.5 | ksi | — | ||
| ↳ | 15,194.5 | ksi | — | ||
| ↳ | 18,823 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1339 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2339 | - | — | ||
| ↳ | 0.2700 | - | — | ||
Shear Modulus(G)3 entries | 9,829.9 | ksi | — | ||
| ↳ | 9,829.9 | ksi | — | ||
| ↳ | 10,009.1 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2624 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 9.316 | µB | — | ||
Seebeck Coefficient(S) | 3.933 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.08793 | eV/atom | — |