Al1Si2Y2 is an aluminum-silicon intermetallic compound doped with yttrium, belonging to the class of rare-earth-modified aluminum silicides. This material is primarily of research and developmental interest rather than established in high-volume production; it represents experimental work in creating advanced intermetallic phases with potential for high-temperature structural applications where conventional aluminum alloys fall short. The yttrium addition typically enhances oxidation resistance, creep resistance, and thermal stability compared to binary Al-Si phases, making it a candidate for aerospace and automotive powerplant components operating at elevated temperatures.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 87.36 | GPa | — | ||
Shear Modulus(G) | 59.49 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.00340 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -0.7380 | eV/atom | — |