journal article
oaidoi:10.1016/j.jallcom.2014.12.028

Investigation of the microstructure and the influence of iron on the formation of Al8Mn5 particles in twin roll cast AZ31 magnesium alloy

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Publication date
15 April 2015
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The Authors. Published by Elsevier B.V.
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    Abstract

    AbstractThe influence of iron on the formation of Al8Mn5 particles during twin roll casting of AZ31 magnesium alloy and the alloy microstructure has been investigated. Flower-shaped Al8Mn5 particles with sizes of 50–500nm were observed at the grain centres and the grain boundaries. Additionally, Fe-particles with faceted morphologies and dimensions of less than 100nm were observed at the centres of the Al8Mn5 particles, suggesting that the α-Fe particles acted as effective nucleation sites for the Al8Mn5 particles

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