Ti2MnAl is an intermetallic compound belonging to the titanium-based alloy family, combining titanium, manganese, and aluminum to create a material with potential for high-strength, lightweight applications. This is a research-stage material being investigated for aerospace and structural applications where the combination of low density with high stiffness-to-weight ratio could offer advantages over conventional titanium alloys. Ti2MnAl and similar ternary intermetallics are of interest as alternatives to heavy superalloys in applications demanding reduced weight without sacrificing rigidity, though engineering adoption remains limited pending resolution of brittleness and processing challenges common to intermetallic compounds.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 144.0 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.4300 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 21.44 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.130 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.1700 | eV | DFT · OptB88vdW | ||
| ↳ | 0.1400 | eV | DFT · TBmBJ | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 101 | - | DFT · OptB88vdW | ||
| ↳ | 105.9 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.0000171 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000319 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | 8.270 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 35.54 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 5.840 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1488 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.1876 | 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