NDLI: Improving aluminum recycling through investigations of thermodynamic effects in remelting

Content Provider	IEEE Xplore Digital Library
Author	Brommer, T. Olivetti, E. Kirchain, R.
Copyright Year	2010
Description	Author affiliation: Materials Systems Laboratory at the Massachusetts Institute of Technology, Cambridge 02139 USA (Brommer, T.; Olivetti, E.; Kirchain, R.)
Abstract	Aluminum recycling is an important area of research because of the tremendous energy savings achieved by producing aluminum products from secondary sources. Aluminum products have precise compositional specifications that must be met to ensure adequate mechanical properties. These precise compositional specifications limit the incorporation of secondary metals into final aluminum products because of the substantial compositional uncertainty of secondary materials. Reducing the amount of compositional uncertainty in secondary metals streams is an active area of research because of the projected gains in scrap utilization. One potential source for compositional uncertainty during scrap remelting is thermodynamic reactions involving aluminum and the secondary alloying elements in the melt. This paper explores the chemical reactions that may occur during aluminum remelting and the resulting impact on material yield. The conclusions from this investigation will aid the development of higher accuracy batch planning algorithms that incorporate the thermodynamic effects on material yield and thereby promote scrap utilization.
Starting Page	1
Ending Page	6
File Size	247411
Page Count	6
File Format	PDF
ISBN	9781424470945
e-ISBN	9781424470952
DOI	10.1109/ISSST.2010.5507686
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Recycling Thermodynamics Uncertainty Production Aluminum alloys Chemicals Materials science and technology Costs Inorganic materials Metals industry Aluminum remelting Design for recycling Secondary metals industry
Content Type	Text
Resource Type	Article

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