Ba₁Al₂Si₂O₈ is an aluminosilicate ceramic compound belonging to the feldspar family, specifically a barium aluminosilicate. This material is encountered primarily in specialized ceramic applications where thermal stability, electrical insulation, and chemical durability are required, such as in refractory compositions, electrical porcelains, and glass-ceramic systems. It is valued for its ability to maintain structural integrity at elevated temperatures and resist chemical attack, making it an alternative to more common feldspathic ceramics when barium-bearing phases offer processing or performance advantages in engineered ceramic matrices.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 13,097.7 range 13,095.3–13,100.1median of 2 measurements | ksi | — | ||
Shear Modulus(G) | 5,672.9 range 5,670–5,675.8median of 2 measurements | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 5.019 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -3.202 | eV/atom | — |