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1. 3D Characterisation of the Fe-rich intermetallic phases in Al-5%Cu alloys by synchrotron X-ray microtomography and skeletonisation

Author

Zhao, Y., Du, W., Koe, B., Connolley, T., Irvine, S., Allan, P. K., Schlepütz, C. M., Zhang, W., Wang, F., Eskin, D. G., and Mi, J.

Subjects
Condensed Matter - Materials Science
Abstract

Synchrotron X-ray microtomography and skeletonisation method were used to study the true 3D network structures and morphologies of the Fe-rich intermetallic phases in Al-5.0%Cu-0.6%Mn alloys with 0.5% and 1.0% Fe. It was found that, the Fe-phases in the 1.0%Fe alloy have node lengths of 5-25m; while those in the 0.5%Fe alloy are of 3-17 m. The Fe-phases in the 1.0%Fe alloy also developed sharper mean curvature with wider distribution than those in the 0.5%Fe alloy. Combining SEM studies of the deeply-etched samples, the true 3D structures of 4 different type Fe-phases in both alloys are also revealed and demonstrated., Comment: 16

Published
2017

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