Ca₄Al₆O₁₃ is a calcium aluminate ceramic compound, a phase that naturally occurs in Portland cement and refractory materials. It is primarily encountered as a constituent in cement-based systems and high-temperature refractory products rather than as a standalone engineering material, where it contributes to early strength development and thermal stability. This material is notable in the cement and refractory industries because its hydration behavior and phase stability directly influence concrete durability, especially in chemically aggressive or high-temperature environments where conventional Portland cement phases may degrade.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1033 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 4.101 | eV | DFT · OptB88vdW | ||
| ↳ | 6.001 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 15.30 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 3.093 | - | DFT · OptB88vdW | ||
| ↳ | 2.555 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.2575 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000900 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000109 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -131.1 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 445.7 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1737 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.158 | 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