Precipitation Sequence in an Al-Si-Mg Foundry Alloy

Abstract:

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It is often assumed that the precipitation sequence and phases in Al-Si-Mg foundry alloys, such as A356 with 7 wt%Si, are similar to those in wrought 6xxx Al-Mg-Si alloys, such as 6063. The foundry alloys have been less extensively studied due to added difficulties in sample preparation, resulting from the high volume fraction of coarse particles of spheroidised eutectic silicon. Recent work has been successful in studying the precipitation sequence in a foundry alloy containing 0.45 wt%Mg. The work highlights some differences and similarities between foundry and wrought alloy precipitation, which may have implications for alloy design and heat-treatment.

Info:

Periodical:

Materials Science Forum (Volumes 654-656)

Main Theme:

Edited by:

Jian-Feng Nie and Allan Morton

Pages:

590-595

DOI:

10.4028/www.scientific.net/MSF.654-656.590

Citation:

B. Rinderer et al., "Precipitation Sequence in an Al-Si-Mg Foundry Alloy", Materials Science Forum, Vols. 654-656, pp. 590-595, 2010

Online since:

June 2010

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Price:

$35.00

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