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Feasibility Study of Solid-State Recycling through Direct Hot Rolling of AA5754 Aluminum Chips for Automotive Applications
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HomeMaterials Science ForumMaterials Science Forum Vol. 1130Feasibility Study of Solid-State Recycling through...

Feasibility Study of Solid-State Recycling through Direct Hot Rolling of AA5754 Aluminum Chips for Automotive Applications

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Abstract:

Recently, researchers have done a lot of efforts to develop new solid-state recycling processes, both experimentally and developing numerical models. This kind of process is energy-saving and environmentally friendly compared to the conventional aluminum recycling process because avoided the melting step. The purpose of this work is to evaluate the feasibility of an innovative solid-state recycling process through direct hot rolling in a non heat-treatable aluminum alloy for automotive applications. AA5754 chips have been produced by turning a bar without the usage of lubricants and compacted with a 150 kN load; the compacted billets were treated at 400 °C and directly hot rolled in several successive passes. Rolled samples are then analyzed in terms of Vickers microhardness and microstructure in both as-rolled and heat treatment conditions, this last was performed at 185°C simulating the process of paint-bake. The produced samples show an excellent bonding between chips.

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Periodical:

Materials Science Forum (Volume 1130)

Pages:

3-12

DOI:

https://doi.org/10.4028/p-J0bRTh

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Cite this paper

Online since:

October 2024

Authors:

Mohamad El Mehtedi*, Pasquale Buonadonna, Rayane El Mohtadi, Gabriela Loi, Francesco Aymerich, Noomane Ben Khalifa, Mauro Carta

Keywords:

AA5754 Chips, Automotive, Direct Hot Rolling, Microstructure, Solid-State Recycling

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Creative Commons CC BY 4.0

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* - Corresponding Author

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