A significant amount of aluminum is processed by melting secondary aluminum that contains small amounts of magnesium. A major drawback of aluminum production in secondary melt furnaces is the formation of dross or aluminum oxide by the oxidation of the molten metal. Since aluminum scrap forms a major source of the metal in secondary aluminum processing, the presence of alloying elements plays a key role in the oxidation process. Here, we consider the early stage during the oxidation of Al-Mg alloys during which the primary oxidation is that of magnesium to magnesium oxide occurs. We have simulated the processes in an aluminum melting furnace and considered the metal oxidation to be limited by one–dimensional diffusion. Our results predict the temporal variation of the oxygen distribution and the rate of metal evaporation and formation of the metal oxide. The effects of melt composition, gas temperature and oxygen concentration in the gas are discussed.
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ASME 2003 Heat Transfer Summer Conference
July 21–23, 2003
Las Vegas, Nevada, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
0-7918-3695-9
PROCEEDINGS PAPER
Numerical Modeling of the Oxidation of Aluminum Alloy Available to Purchase
Anindya Kanti De,
Anindya Kanti De
University of Illinois at Chicago, Chicago, IL
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Achintya Mukhopadhyay,
Achintya Mukhopadhyay
Jadavpur University, Jadavpur, West Bengal, India
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Swarnendu Sen,
Swarnendu Sen
University of Illinois at Chicago, Chicago, IL
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Ishwar K. Puri
Ishwar K. Puri
University of Illinois at Chicago, Chicago, IL
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Anindya Kanti De
University of Illinois at Chicago, Chicago, IL
Achintya Mukhopadhyay
Jadavpur University, Jadavpur, West Bengal, India
Swarnendu Sen
University of Illinois at Chicago, Chicago, IL
Ishwar K. Puri
University of Illinois at Chicago, Chicago, IL
Paper No:
HT2003-47519, pp. 335-341; 7 pages
Published Online:
December 17, 2008
Citation
De, AK, Mukhopadhyay, A, Sen, S, & Puri, IK. "Numerical Modeling of the Oxidation of Aluminum Alloy." Proceedings of the ASME 2003 Heat Transfer Summer Conference. Heat Transfer: Volume 3. Las Vegas, Nevada, USA. July 21–23, 2003. pp. 335-341. ASME. https://doi.org/10.1115/HT2003-47519
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