Sodium aluminum fluoride (NaAlF₄) is an ionic compound combining sodium, aluminum, and fluorine—classified here as a metal-based ceramic or salt rather than a metallic alloy. It belongs to the fluoride family of materials and is primarily encountered in industrial chemistry and materials research rather than as a structural engineering material in its pure form. The compound serves specialized roles in aluminum processing (particularly as a flux or electrolyte component in molten-salt systems) and in fluorine chemistry applications, where its thermal stability and ionic properties are valuable; however, it is not commonly specified as a base structural material for load-bearing or mechanical components in conventional engineering design.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 67.88 | GPa | — | ||
Poisson's Ratio(ν) | 0.03000 | - | — | ||
Shear Modulus(G) | 15.43 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.639 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 6.060 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 28.51 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -129.4 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1295 | eV/atom | — | ||
Formation Energy(ΔHf) | -3.400 | eV/atom | — |