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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology: Recycling and Sustainability Joint Session
Presentation Title In-situ Observation of Dross Formation during Melting of Al-Mg Alloy
Author(s) Takehito Hiraki, Hitomi Noguchi, Nobuhiro Maruoka, Tetsuya Nagasaka
On-Site Speaker (Planned) Takehito Hiraki
Abstract Scope Magnesium is one of the most important alloying elements for industrial aluminum products such as can lids, panel, wheel, welding materials etc.. It is known, however, that magnesium enhances dross formation on the molten aluminum surface during melting process. Suppression of the dross formation is one of the most important tasks in aluminum industry. In the present work, in-situ observation of dross formation during melting of Al-Mg alloy was conducted. During the air oxidation at 1073K, horizontally projected area of dross phase formed on the surface of molten Al-Mg alloy and weight gain of the alloy were measured. It was observed that the projected area of dross phase drastically increased after an incubation period and then it changed little. On the other hand, weight gain of the alloy continuously increased and it became faster with increasing magnesium content of the alloy. These findings help to clarify the dross formation.
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Behavior of Mg-Si-rich Phases in Aluminum Can Sheets and Their Impact on Metal Oxidation during Industrial Thermal Pre-treatment
Dissipative Use of Critical Metals in the Aluminum Industry
Environmental Impacts of Aluminum Dross after Metal Extraction
In-situ Observation of Dross Formation during Melting of Al-Mg Alloy
Potential for Handheld Analyzer to Address Emerging Positive Material Identification (PMI) Challenges
Precious Technology; Recycling of Titanium from Medical Implant Industry, Challenges and Opportunities
Promotion of Separation of Two Phase Liquid Metals by Applying Mechanical Vibration
Recycling of Oxide from Dross into Aluminum Electrolysis Cells
The Implementation of a Comprehensive Dross Management Program at Constellium Ravenswood

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