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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology: Recycling and Sustainability Joint Session
Presentation Title Centrifugal Casting of Al-Si Scrap
Author(s) Aya Abdelrahman, Shimaa El-Hadad, Iman El Mahallawi
On-Site Speaker (Planned) Iman El Mahallawi
Abstract Scope Recycling is a sustainability aspect that ensures green environment as well as energy and cost reduction. Sustainability and reduced energy consumption requirements demand that AlSi alloys are recycled by remelting. Al-Si cast alloys industries are increasing, leading to more consumption of these alloys that in turn leads to more scrap. Unfortunately, when cast Al-Si alloys are recycled, extraneous microstructures combined with reduction in the mechanical properties occur. In this research, the microstructure of recycled Al-Si alloys produced by centrifugal casting using different parameters was studied. The changed parameters are the centrifugal rpm and scrap material mix. The microstructure of the recycled cast Al-Si alloys was observed to improve by centrifugal casting, resulting a graded microstructure from inner to outer surface of the casting. The centrifugal separation is shown to be a promising method for controlling the Fe-rich enormous structures and the porosity present in the recycled Al-Si alloys.
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Centrifugal Casting of Al-Si Scrap
Dross Formation Mechanisms of Thermally Pre-treated Used Beverage Can Scrap Bales with Different Density
Improved Recyclability of Cast Al-alloys by Engineering β-Al9Fe2Si2 Phase
Influence of Coating and De-coating on the Coalescence of Aluminium Drops in Salt
The Scale-up of High Shear Processing for the Purification of Recycled Molten Scrap Aluminium Alloy: Key Features of Fluid Flow
Tramp Element Accumulation and Its Effects on Secondary Phase Particles

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