K2Mg2Si2O7 is a potassium magnesium silicate ceramic belonging to the silicate mineral family, characterized by a framework structure combining magnesium and silicon oxyanions. This compound is primarily of research interest in materials science, particularly for high-temperature applications and as a potential constituent in glass-ceramic and refractory formulations where thermal stability and chemical inertness are desired. Engineers may consider this material or related magnesium silicates for specialized thermal management, electrical insulation, or composite reinforcement roles where conventional oxides prove insufficient.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 17,072.4 | ksi | — | ||
Poisson's Ratio(ν) | 0.2300 | - | — | ||
Shear Modulus(G) | 11,650.9 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1177 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 5.477 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.513 | - | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.801 | eV/atom | — |