Precipitation in uniaxially stressed Mg-Nd alloys during creep testing

Deep Choudhuri, Nilesh Dendge, Soumya Nag, Mark A. Gibson, Rajarshi Banerjee

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Abstract

The role of uniaxial stress on the precipitation behavior in a Mg-2.6wt pct Nd alloy has been examined by comparing creep-tested and isothermally aged samples using transmission electron microscopy. Both types of samples exhibited precipitation of the β′(orthorhombic) and β1(fcc) phases. During creep testing, dynamically formed β1 precipitates are aligned along favorable slip directions within the α-Mg matrix, presumably influencing the creep response of the Mg-Nd alloy.

Original languageEnglish
Pages (from-to)2905-2909
Number of pages5
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume44
Issue number7
DOIs
Publication statusPublished - 2013
Externally publishedYes

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