DyAlO3
ceramic· DyAlO3
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.
thermal barrier coatingsgas turbine bladesaerospace engine componentshigh-temperature ceramicsrefractory applications
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 29,547.1 | ksi | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 17,684.5 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2752 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| 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 | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| 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 | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.