Ti3Al is an intermetallic compound based on titanium and aluminum, representing a lightweight metallic phase that forms within titanium-aluminum alloy systems. It is primarily of research and developmental interest rather than a standalone commercial product, but serves as a critical constituent phase in gamma titanium aluminide (γ-TiAl) alloys used in high-temperature aerospace applications. Engineers encounter Ti3Al as a strengthening phase in advanced turbine blade and engine component alloys where its contribution to creep resistance and high-temperature stability makes it valuable for next-generation propulsion systems operating beyond conventional nickel-superalloy limits.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 16,710.9 | ksi | DFT | ||
| ↳ | 16,132.5 | ksi | DFT · OptB88vdW | ||
| ↳ | 16,710.9 | ksi | DFT · PBE | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | DFT · PBE | ||
Elastic Anisotropy(AU) | 0.1287 | - | DFT · PBE | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | DFT · PBE | ||
Poisson's Ratio(ν)2 entries | 0.4400 | - | DFT · OptB88vdW | ||
| ↳ | 0.2748 | - | DFT · PBE | ||
Shear Modulus(G)3 entries | 8,855.6 | ksi | DFT | ||
| ↳ | 4,284.4 | ksi | DFT · OptB88vdW | ||
| ↳ | 8,855.6 | ksi | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1532 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.000 | eV | DFT · TBmBJ | ||
Magnetic Moment(μB) | 1.754 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00137 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00135 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -1.507 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 1.007 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1258 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.1501 | 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