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3D microstructure reconstruction of casting aluminum alloy based on serial block-face scanning electron microscopy

Lu, J; Chen, B; Liu, X; Yang, F; Robinson, IK; (2019) 3D microstructure reconstruction of casting aluminum alloy based on serial block-face scanning electron microscopy. Journal of Alloys and Compounds , 778 pp. 721-730. 10.1016/j.jallcom.2018.11.188.

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Abstract

In this work, the inner microstructure of aluminum-silicon casting alloy was experimentally investigated to reveal the spatial morphology and phase distribution. Its industrial use is as a light-weight structural material. As a powerful three-dimensional (3D) imaging tool at the nano-scale, the serial block-face scanning electron microscopy (SBFSEM) was employed to investigate the specimens. After being 3D reconstructed, the images were visualized to identify preference for several specific intermetallics by quantitative analysis. It was found that these phases have certain relationships in spatial distribution and differences in spatial shapes. The spatial distribution of cracks was studied to understand their propagation and growth.

Type: Article
Title: 3D microstructure reconstruction of casting aluminum alloy based on serial block-face scanning electron microscopy
DOI: 10.1016/j.jallcom.2018.11.188
Publisher version: https://doi.org/10.1016/j.jallcom.2018.11.188
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Aluminum alloy, Serial block-face scanning electron microscopy (SBFSEM), 3D microstructure reconstruction, Spatial morphology, Crack propagation
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/10064629
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