| Issue |
Metall. Res. Technol.
Volume 121, Number 3, 2024
|
|
|---|---|---|
| Article Number | 315 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/metal/2024035 | |
| Published online | 23 May 2024 | |
Short Communication
Optimization of the three-component Al-Fe-Si system composition
Abylkas Saginov Karaganda Technical University, Karaganda, Kazakhstan
* e-mail: Vi-ta.z@mail.ru
Received:
25
December
2023
Accepted:
24
April
2024
Three-component Al-Fe-Si systems with an equiatomic composition are high-strength alloys that are poorly resistant to plastic deformation. To increase the material ductility, a phase diagram of the Al-Fe-Si ternary system was constructed using ThermoCalc software. The conditions for the formation of the AL8FE2SI phase, which is an α-phase and has a hexagonal lattice, have been identified. At solidus temperatures, α-AL8FE2SI and β-AL9FE2SI2 are competitive. The conditions for the developing a single-phase region consisting of 97% α-AL8FE2SI have been identified. α-AL8FE2SI is a high-temperature phase; the system will perceive plastic deformation in the temperature range of 675–612 °C, with further phase conversion upon cooling.
Key words: Metallic composites / phase diagrams / phase transformation / recrystallization / simulation and modelling / α-AlFeSi
© EDP Sciences, 2024
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