Dysprosium aluminate (DyAlO₃) is a rare-earth ceramic compound belonging to the perovskite oxide family, valued for its high melting point and thermal stability. It is primarily investigated in thermal barrier coating (TBC) systems for advanced gas turbines and aerospace applications, where it can withstand extreme temperatures while protecting underlying superalloy components. DyAlO₃ is noted as a candidate material for next-generation TBC architectures due to its potential for improved phase stability and lower thermal conductivity compared to conventional yttria-stabilized zirconia (YSZ), though it remains largely in the research and development phase for production aerospace engines.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 203.7 | GPa | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 121.9 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.617 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 6.026 | eV | — | ||
| ↳ | 5.861 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 5.730 | - | — | ||
Magnetic Moment(μB)2 entries | 0.000 | μB | — | ||
| ↳ | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -281.6 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -3.588 | eV/atom | — | ||
| ↳ | -3.633 | eV/atom | — |