Al21Pt8 is an intermetallic compound in the aluminum-platinum system, representing a high-platinum-content phase that combines lightweight aluminum with noble metal properties. This material is primarily of research and development interest rather than established industrial production, studied for applications requiring exceptional stability, corrosion resistance, and high-temperature performance where conventional aluminum alloys fall short. The platinum content makes it prohibitively expensive for commodity applications, but it remains relevant for specialized aerospace, catalytic, and high-reliability systems where performance justifies material cost and where the intermetallic's ordered crystal structure provides superior creep resistance and oxidation protection compared to conventional Al alloys or pure Pt.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 132.9 | GPa | — | ||
| ↳ | 132.9 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.02866 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.2971 | - | — | ||
Shear Modulus(G)2 entries | 62.38 | GPa | — | ||
| ↳ | 62.38 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — |