In Situ Observation of Dross Formation During Melting of Al–Mg Alloy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Al–Mg alloy is one of the most important industrial aluminum products used in can lids, panel, wheel, welding materials etc. It is known, however, that magnesium in the alloy 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. By the air oxidation of molten Al–Mg alloy at 800 °C, horizontally projected area of dross phase formed on the surface of the melt 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 a 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 mechanism.

Original languageEnglish
Title of host publicationLight Metals 2018
EditorsOlivier Martin
PublisherSpringer International Publishing
Pages1141-1146
Number of pages6
ISBN (Print)9783319722832
DOIs
Publication statusPublished - 2018 Jan 1
EventInternational symposium on Light Metals, 2018 - Phoenix, United States
Duration: 2018 Mar 112018 Mar 15

Publication series

NameMinerals, Metals and Materials Series
VolumePart F4
ISSN (Print)2367-1181
ISSN (Electronic)2367-1696

Other

OtherInternational symposium on Light Metals, 2018
CountryUnited States
CityPhoenix
Period18/3/1118/3/15

Keywords

  • Al-Mg alloy
  • Dross
  • In-situ observation
  • Oxidation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy Engineering and Power Technology
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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