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Journal Article

Clustering in Age-Hardenable Aluminum Alloys


Stephenson,  Leigh
Atom Probe Tomography, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Dumitraschkewitz, P., Gerstl, S. S. A., Stephenson, L., Uggowitzer, P., & Pogatscher, S. (2018). Clustering in Age-Hardenable Aluminum Alloys. Advanced Engineering Materials, 20(10): 1800255. doi:10.1002/adem.201800255.

Cite as: https://hdl.handle.net/21.11116/0000-0003-A4D1-7
This review gives an overview of the effects of clusters in various aluminum alloys. Characterization methods are discussed in general and results for the important AlMgSi alloys are presented in detail. Indirect characterization methods, such as hardness, tensile testing, electrical resistivity, differential scanning calorimetry, and positron annihilation spectroscopy are discussed, as well as atom probe tomography for the direct measurement of clusters. A particular focus is set on atom probe tomography, where possible artifacts influencing the cluster measurements as well as different cluster finding methods are summed up. A comprehensive summary of investigated alloys and cluster algorithm parameters is given. Moreover, the findings in AlMgSi alloys regarding clusters and changes upon different heat treatments are discussed, starting from early to the latest works. Drawn conclusions are discussed and compared to give a résumé. © 2018 The Authors. Published by Wiley-VCH Verlag GmbH Co.KGaA, Weinheim