YAl
metalYAl is an intermetallic compound in the yttrium-aluminum system, representing a class of rare-earth metal intermetallics that combine ceramic-like stiffness with metallic character. This material is primarily of research and specialized industrial interest, used in high-temperature structural applications and as a constituent phase in composite systems where thermal stability and strength retention at elevated temperatures are critical. YAl and related yttrium-aluminum phases are notable for their potential in aerospace and power-generation environments where conventional aluminum alloys fail; engineers consider them when designing components that must maintain mechanical integrity in oxidizing atmospheres above typical aluminum service limits.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 8,641.8 | ksi | — | ||
| ↳ | 9,337.5 | ksi | — | ||
| ↳ | 9,025.7 range 8,641.8–9,409.6median of 2 measurements | ksi | — | ||
Elastic Anisotropy(AU) | 3.452 range 3.155–3.749median of 2 measurements | - | — | ||
Poisson's Ratio(ν)2 entries | 0.2800 | - | — | ||
| ↳ | 0.2643 range 0.2554–0.2732median of 2 measurements | - | — | ||
Shear Modulus(G)3 entries | 5,051.9 | ksi | — | ||
| ↳ | 6,014.7 | ksi | — | ||
| ↳ | 5,040.1 range 5,028.3–5,051.9median of 2 measurements | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1401 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -17.94 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00230 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4606 | eV/atom | — |