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Characterization of β and Mg41Nd5 Equilibrium Phases in Elektron 21 Magnesium Alloy after Long-Term Annealing

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Abstract:

The paper presents results of TEM and XRD investigations of Elektron 21 magnesium alloy in as cast condition and after long-term annealing at 250 and 350°C. In as cast condition Elektron 21 consists of primary α-Mg solid solution with α-Mg-Mg3RE eutectic and regular precipitates of MgRE3. Precipitation at 250 °C causes formation of the equilibrium β phase. Annealing at 350°C caused precipitation of globular Mg41Nd5 phases on solid solution grain boundaries. Also precipitates of MgRE3 phase have been observed.

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Periodical:

Solid State Phenomena (Volume 163)

Pages:

106-109

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.163.106

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Online since:

June 2010

Authors:

Andrzej Kiełbus, Tomasz Rzychoń, Lidia Lityńska-Dobrzyńska, Grzegorz Dercz

Keywords:

Elektron 21, Long-Term Annealing, Magnesium Alloy, Microstructure, Rietveld Method

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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