Effect of Antimony on Microstructure of Mischmetal-Containing AZ31 Magnesium Alloy

Bao Feng Zhang; Xiao Wei Chen; Ya Jun Zhou; Qing Kui Li

doi:10.4028/www.scientific.net/AMM.189.157

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 189Effect of Antimony on Microstructure of...

Effect of Antimony on Microstructure of Mischmetal-Containing AZ31 Magnesium Alloy

Abstract:

Effect of antimony on the microstructure, especially on the morphologies of rare earth-enriched phases, of mischmetal -containing AZ31 alloy was studied. The results showed that, by the addition of 0.8%Sb, the rare earth-enriched phases in AZ31-1.0％MM were transformed to dispersive tiny sphere-like Al-rare earth-Sb phases from coarse needle-like Al-rare earth phases. Meanwhile, rare earth-enriched phases transferred into α-Mg crystal grains from grain boundaries. On the other hand, the distribution of β-Mg17Al12 phases became more dispersive.

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Periodical:

Applied Mechanics and Materials (Volume 189)

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157-161

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.189.157

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Online since:

July 2012

Authors:

Bao Feng Zhang, Xiao Wei Chen, Ya Jun Zhou, Qing Kui Li

Keywords:

Antimony, AZ31 Magnesium Alloy, Mischmetal, Rare Earth-Enriched Phases

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