HfAlPt is a ternary intermetallic compound combining hafnium, aluminum, and platinum—three elements known for high-temperature stability and corrosion resistance. This material belongs to the family of refractory metal alloys and represents primarily research-phase development, investigated for applications requiring exceptional thermal stability, mechanical properties at elevated temperatures, and resistance to oxidation. The combination of a refractory metal (Hf), a lightweight element (Al), and a noble metal (Pt) positions this alloy as a candidate for next-generation high-temperature structural applications where traditional superalloys or ceramic composites may fall short.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 163.3 | GPa | — | ||
| ↳ | 163.3 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.4168 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.2997 | - | — | ||
Shear Modulus(G)2 entries | 75.52 | GPa | — | ||
| ↳ | 75.52 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 12.62 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.059 | eV/atom | — |