CaAl₄O₇ is a calcium aluminate ceramic compound belonging to the family of aluminate ceramics, which are inorganic, crystalline materials formed from calcium and aluminum oxides. This material is primarily encountered in high-temperature structural applications and cement chemistry, where calcium aluminates serve as key phases in calcium aluminate cements (CAC) used for rapid-setting, high-temperature-resistant binders. Engineers select calcium aluminates for applications demanding thermal stability, chemical resistance to aggressive environments, and fast strength development, making them valuable alternatives to Portland cement in refractory linings, specialized concrete formulations, and metallurgical applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 17,366.8 | ksi | — | ||
Poisson's Ratio(ν) | 0.3300 | - | — | ||
Shear Modulus(G) | 7,195.3 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1023 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.281 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -118.5 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00450 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -3.454 | eV/atom | — | ||
| ↳ | -3.321 | eV/atom | — |