Potassium aluminate (KAlO₂) is an inorganic ceramic compound belonging to the aluminate family, formed from the reaction of potassium oxide and aluminum oxide at elevated temperatures. It appears primarily in industrial chemistry and materials research contexts, where it serves as a precursor for alumina production, a component in specialized cements and refractory materials, and a reagent in chemical processing. Engineers select potassium aluminate systems for applications requiring high-temperature stability, alkali resistance, and strong binding properties, particularly in environments where traditional silicate-based ceramics would degrade.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 11,674.1 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 6,655.8 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1022 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.236 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.018 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.00142 | C/m² | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.847 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data