|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Cast Shop Technology: Recycling and Sustainability Joint Session
||In-situ Observation of Dross Formation during Melting of Al-Mg Alloy
||Takehito Hiraki, Hitomi Noguchi, Nobuhiro Maruoka, Tetsuya Nagasaka
|On-Site Speaker (Planned)
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.
||Planned: Light Metals