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Metallurgical and Materials Transactions A
Published in: Metallurgical and Materials Transactions A 10/2009

01-10-2009

Atom Probe Tomography of Solute Distributions in Mg-Based Alloys

Authors: N. Stanford, G. Sha, A. La Fontaine, M.R. Barnett, S.P. Ringer

Published in: Metallurgical and Materials Transactions A | Issue 10/2009

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Abstract

Atom probe tomography (APT) has been carried out on three magnesium-based alloys: M1 (Mg-1 wt pct Mn), AZ31(Mg-3 pct Al-1 pct Zn), and ME10 (Mg-1 pct Mn- 0.4 pct misch metal). The aims of this experiment were to measure the composition of the matrix and to investigate solute clustering in the matrix of the three different alloys. For AZ31, the matrix composition was variable but close to the bulk composition. For ME10 and M1, the matrix was depleted in alloying additions, with the remainder residing in precipitates. Most alloying additions were found to exhibit clustering to some extent, with misch metal having the strongest partitioning behavior to clusters. Solute clusters did not appear to affect mechanical twinning. It has been proposed that the clustering behavior of misch metal contributes to its ability to modify the recrystallization texture.
previous article The Loss of Dissolved Zirconium in Zirconium-Refined Magnesium Alloys after Remelting
next article Effect of Precipitates on the Development of P Orientation {011} in a Recrystallized Continuous Cast AA 3004 Aluminum Alloy after Cold Rolling

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Footnotes
1
LEAP 3000 X is a trademark of Imago Scientific Instruments, Madison, WI.
 
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Metadata
Title
Atom Probe Tomography of Solute Distributions in Mg-Based Alloys
Authors
N. Stanford
G. Sha
A. La Fontaine
M.R. Barnett
S.P. Ringer
Publication date
01-10-2009
Publisher
Springer US
Published in
Metallurgical and Materials Transactions A / Issue 10/2009
Print ISSN: 1073-5623
Electronic ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-009-9937-7

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