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Microstructural Characterization of an Al-Li-Mg-Cu Alloy by Correlative Electron Tomography and Atom Probe Tomography

Published online by Cambridge University Press:  12 May 2014

Xiangyuan Xiong  and
Matthew Weyland
Xiangyuan Xiong*
Affiliation:
Monash Centre for Electron Microscopy, Monash University, VIC 3800, Australia Department of Materials Engineering, Monash University, VIC 3800, Australia
Matthew Weyland
Affiliation:
Monash Centre for Electron Microscopy, Monash University, VIC 3800, Australia Department of Materials Engineering, Monash University, VIC 3800, Australia
*
*Corresponding author.[email protected]
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Abstract

Correlative electron tomography and atom probe tomography have been carried out successfully on the same region of a commercial 8090 aluminum alloy (Al-Li-Mg-Cu). The combination of the two techniques allows accurate geometric reconstruction of the atom probe tomography data verified by crystallographic information retrieved from the reconstruction. Quantitative analysis of the precipitate phase compositions and volume fractions of each phase have been obtained from the atom probe tomography and electron tomography at various scales, showing strong agreement between both techniques.

Keywords

Al-Li-Mg-Cu alloyselectron tomographyatom probe tomography
Type
FEMMS Special Issue
Information
Microscopy and Microanalysis , Volume 20 , Issue 4 , August 2014 , pp. 1022 - 1028
Copyright
© Microscopy Society of America 2014 

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