Journal
SCRIPTA MATERIALIA
Volume 163, Issue -, Pages 77-81Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2019.01.007
Keywords
Grain boundary wetting; Grain boundary energy; Three-dimension tomography; X-ray diffraction; Laboratory diffraction contrast tomography
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Funding
- Innovation Fund Denmark (IFD) [5190-00044B]
- European Research Council (ERC) under the European Union [788567]
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The penetration behavior of liquid gallium in aluminum is characterized using laboratory X-ray attenuation tomography and related to grain boundary properties obtained from the 3D grain map reconstructed by laboratory diffraction contrast tomography (LabDCT). The data is unique because more than 100 grain boundaries are analyzed. It is suggested that it is the grain boundary energy which determines if a boundary is wetted or not: low energy boundaries are much more resistant to liquid gallium than higher energy ones. The potentials of using laboratory diffraction contract tomography for statistical studies of grain boundaries are thereby demonstrated. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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