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 | — | ||
| ↳ | 16,710.9 | ksi | — | ||
| ↳ | 16,132.5 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1287 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2748 | - | — | ||
| ↳ | 0.4400 | - | — | ||
Shear Modulus(G)3 entries | 8,855.6 | ksi | — | ||
| ↳ | 8,855.6 | ksi | — | ||
| ↳ | 4,284.4 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1532 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 1.754 | µB | — | ||
Seebeck Coefficient(S) | 17.86 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1258 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1501 | eV/atom | — |