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Meeting

2026 TMS Annual Meeting & Exhibition

Symposium

Late News Poster Session

Presentation Title

J-20: Process Improvement in Open Mold Casting of A356 Alloy for Dross Reduction

Author(s)

Paola Lazari De Aguiar, Cybelle Ynara Da Costa Silva, Luiz Gustavo Coelho, Júlio Ferreira, Heleno Josue Maia Beckmann, Aron Fernandes, Daniel Delbin

On-Site Speaker (Planned)

Paola Lazari De Aguiar

Abstract Scope

The generation of dross during aluminum casting is a critical issue that has a significant impact on product quality. This study presents a process improvement in the open mold casting of A356 alloy, achieved by redesigning and optimizing the launder and the casting wheel. The modification aimed to improve the molten metal flow, reducing turbulence during mold filling. Consequently, it minimized oxide formation and dross accumulation. Evaluations of the ingot surfaces demonstrated a significant reduction in the occurrence of dross. The work demonstrates that an appropriate casting wheel design alone is not sufficient; optimal results depend on the specific processing conditions. These results highlight the importance of aligning equipment design with operational parameters to consistently achieve high-quality aluminum ingots.

Proceedings Inclusion?

Undecided

Keywords

Aluminum, Process Technology, Other

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