Development of a versatile rheocasting technology

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Proceedings titleProceedings. SAE 2006 World Congress
Series titleSAE Technical Papers; no. 2006-01-0841
ConferenceSAE 2006 World Congress & Exhibition, April 03-06, 2006, Detroit, Michigan, USA
AbstractSince 2003, a concerted effort between Alcan Inc. (ARDC: Arvida Research and Development Centre) and the Aluminium Technology Centre (ATC) of the National Research Council of Canada is underway to develop a technology, dubbed SEED (Swirled Enthalpy Equilibration Device), to produce semi-solid aluminium feedstock. This technology, patented by Alcan Inc., is a simple process offering many advantages over thixocasting, especially for reducing the cost of feedstock. The process involves two main steps: 1) heat extraction to achieve a desired liquid/solid mixture, and 2) drainage of an excess liquid to produce a self-supporting semi-solid slug that is cast in a high pressure press. This paper reports that the SEED technology is applicable to a number of aluminium alloys and can be easily adapted to produce a wide range of slug dimensions. Furthermore, since the heat transfer plays a predominant role during the manufacture of the semi-solid slurry, its analysis is also presented.
Publication date
PublisherSAE International
AffiliationNational Research Council Canada; NRC Industrial Materials Institute
Peer reviewedYes
NRC number48385
NPARC number12881935
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Record identifierf807da99-e9be-4404-956c-142791f0025c
Record created2009-11-05
Record modified2016-05-09
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