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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/4752

Title: Influence of prior natural aging on the subsequent artificial aging response of aluminium alloy A356 with respective globular and dendritic microstructures
Authors: Moller, H
Govender, G
Rossouw, P
Stumpf, W
Keywords: Aluminium alloy A356
Aluminium alloys
Alloys
Globular microstructures
Dendritic microstructures
Aluminium aging
Issue Date: 2011
Publisher: Hindawi Publishing Corporation
Citation: Moller,H, Govender, G, Rossouw, P and Stumpf, W. 2011. Influence of prior natural aging on the subsequent artificial aging response of aluminium alloy A356 with respective globular and dendritic microstructures. Advances in Materials Science and Engineering, Vol. 2011, pp 1-6
Series/Report no.: Journal Article
Abstract: Alloy A356 is one of the most popular alloys used for semisolid metal forming. The heat treatment cycles that are currently applied to semisolid processed components are mostly those that are in use for dendritic casting alloys. The assumption has been made that these heat treatments are not necessarily the optimum treatments, as the difference in solidification history and microstructure of SSM processed components should be considered. The objective of this study is to determine whether dendritic A356 behaves in a similar way to globular A356 in terms of its response to artificial aging with or without prior natural aging. The results indicate that the differences in microstructures (globular or dendritic) do not have a noteworthy effect on the heat treatment response. It is also shown that strong linear correlations are found between T4 and T6 hardness and wt%Mg of A356, regardless of the casting technique used.
Description: Copyright: 2011 Hindawi Publishing Corporation
URI: http://www.hindawi.com/journals/amse/2011/375150.html
http://hdl.handle.net/10204/4752
ISSN: 1687-8434
Appears in Collections:Open source
Metal and metal processes
Manufacturing science and technology
General science, engineering & technology

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