3D characterisation of the Fe-rich intermetallic phases in recycled Al alloys by synchrotron X-ray microtomography and skeletonisation

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

doi:10.1016/j.scriptamat.2017.12.010

3D characterisation of the Fe-rich intermetallic phases in recycled Al alloys by synchrotron X-ray microtomography and skeletonisation

Y Zhao, W Du + Show 9 more

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https://doi.org/10.1016/j.scriptamat.2017.12.010

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Journal: Scripta materialia	Publication Date: Jan 4, 2018
Citations: 53	License type: cc-by-nc-nd

Affiliation: University of Hull, South China University of Technology, Diamond Light Source, Brunel University London

#Synchrotron X-ray Microtomography #Fe Alloy + Show 8 more

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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 recycled 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 5–25μm; while those in the 0.5%Fe alloy are of 3–17μm. 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.

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